http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/BinarySpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/BinarySpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/BinarySpecification.java new file mode 100644 index 0000000..07c5d99 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/BinarySpecification.java @@ -0,0 +1,41 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.composite.Composite; +import org.qi4j.functional.Specification; + +/** + * Base binary Specification, used for AND and OR Specifications.. + */ +public abstract class BinarySpecification + extends ExpressionSpecification +{ + protected final Iterable<Specification<Composite>> operands; + + protected BinarySpecification( Iterable<Specification<Composite>> operands ) + { + this.operands = operands; + } + + public Iterable<Specification<Composite>> operands() + { + return operands; + } +}
http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/ComparisonSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/ComparisonSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/ComparisonSpecification.java new file mode 100644 index 0000000..f855054 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/ComparisonSpecification.java @@ -0,0 +1,76 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.composite.Composite; +import org.qi4j.api.property.Property; + +/** + * Base comparison Specification. + */ +public abstract class ComparisonSpecification<T> + extends ExpressionSpecification +{ + protected final PropertyFunction<T> property; + protected final T value; + + public ComparisonSpecification( PropertyFunction<T> property, T value ) + { + this.property = property; + this.value = value; + } + + public PropertyFunction<T> property() + { + return property; + } + + @Override + public final boolean satisfiedBy( Composite item ) + { + try + { + Property<T> prop = property.map( item ); + + if( prop == null ) + { + return false; + } + + T propValue = prop.get(); + if( propValue == null ) + { + return false; + } + + return compare( propValue ); + } + catch( IllegalArgumentException e ) + { + return false; + } + } + + protected abstract boolean compare( T value ); + + public T value() + { + return value; + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/ContainsAllSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/ContainsAllSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/ContainsAllSpecification.java new file mode 100644 index 0000000..7ff3e1b --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/ContainsAllSpecification.java @@ -0,0 +1,78 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +import java.util.Collection; +import org.qi4j.api.composite.Composite; +import org.qi4j.functional.Iterables; + +/** + * Contains All Specification. + */ +public class ContainsAllSpecification<T> + extends ExpressionSpecification +{ + private PropertyFunction<? extends Collection<T>> collectionProperty; + private Iterable<T> valueCollection; + + public ContainsAllSpecification( PropertyFunction<? extends Collection<T>> collectionProperty, + Iterable<T> valueCollection + ) + { + this.collectionProperty = collectionProperty; + this.valueCollection = valueCollection; + } + + public PropertyFunction<? extends Collection<T>> collectionProperty() + { + return collectionProperty; + } + + public Iterable<T> containedValues() + { + return valueCollection; + } + + @Override + public boolean satisfiedBy( Composite item ) + { + Collection<T> collection = collectionProperty.map( item ).get(); + + if( collection == null ) + { + return false; + } + + for( T value : valueCollection ) + { + if( !collection.contains( value ) ) + { + return false; + } + } + + return true; + } + + @Override + public String toString() + { + return collectionProperty + " contains " + Iterables.toList( valueCollection ); + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/ContainsSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/ContainsSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/ContainsSpecification.java new file mode 100644 index 0000000..ea049de --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/ContainsSpecification.java @@ -0,0 +1,67 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +import java.util.Collection; +import org.qi4j.api.composite.Composite; + +/** + * Contains Specification. + */ +public class ContainsSpecification<T> + extends ExpressionSpecification +{ + private PropertyFunction<? extends Collection<T>> collectionProperty; + private T value; + + public ContainsSpecification( PropertyFunction<? extends Collection<T>> collectionProperty, T value ) + { + this.collectionProperty = collectionProperty; + this.value = value; + } + + public PropertyFunction<? extends Collection<T>> collectionProperty() + { + return collectionProperty; + } + + public T value() + { + return value; + } + + @Override + public boolean satisfiedBy( Composite item ) + { + Collection<T> collection = collectionProperty.map( item ).get(); + + if( collection == null ) + { + return false; + } + + return collection.contains( value ); + } + + @Override + public String toString() + { + return collectionProperty + " contains " + value; + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/EqSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/EqSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/EqSpecification.java new file mode 100644 index 0000000..b4c1d90 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/EqSpecification.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +/** + * Equals Specification. + */ +public class EqSpecification<T> + extends ComparisonSpecification<T> +{ + public EqSpecification( PropertyFunction<T> property, T value ) + { + super( property, value ); + } + + @Override + protected boolean compare( T value ) + { + return value.equals( this.value ); + } + + @Override + public String toString() + { + return property.toString() + "=" + value.toString(); + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/ExpressionSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/ExpressionSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/ExpressionSpecification.java new file mode 100644 index 0000000..9886ca9 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/ExpressionSpecification.java @@ -0,0 +1,60 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.composite.Composite; +import org.qi4j.functional.Specification; + +import static org.qi4j.functional.Iterables.append; +import static org.qi4j.functional.Iterables.iterable; + +/** + * Base expression Specification. + */ +public abstract class ExpressionSpecification + implements Specification<Composite> +{ + + @SuppressWarnings( "unchecked" ) + public AndSpecification and( Specification<Composite> specification ) + { + if( this instanceof AndSpecification ) + { + return new AndSpecification( append( specification, ( (AndSpecification) this ).operands() ) ); + } + else + { + return new AndSpecification( iterable( this, specification ) ); + } + } + + @SuppressWarnings( "unchecked" ) + public OrSpecification or( Specification<Composite> specification ) + { + if( this instanceof OrSpecification ) + { + return new OrSpecification( append( specification, ( (OrSpecification) this ).operands() ) ); + } + else + { + return new OrSpecification( iterable( this, specification ) ); + } + } + +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/GeSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/GeSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/GeSpecification.java new file mode 100644 index 0000000..82e9e38 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/GeSpecification.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +/** + * Greater or equals Specification. + */ +public class GeSpecification<T> + extends ComparisonSpecification<T> +{ + public GeSpecification( PropertyFunction<T> property, T value ) + { + super( property, value ); + } + + @Override + @SuppressWarnings( "unchecked" ) + protected boolean compare( T value ) + { + return ( (Comparable) value ).compareTo( this.value ) >= 0; + } + + @Override + public String toString() + { + return property.toString() + ">=" + value.toString(); + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/GtSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/GtSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/GtSpecification.java new file mode 100644 index 0000000..883120b --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/GtSpecification.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +/** + * Greater than Specification. + */ +public class GtSpecification<T> + extends ComparisonSpecification<T> +{ + public GtSpecification( PropertyFunction<T> property, T value ) + { + super( property, value ); + } + + @Override + @SuppressWarnings( "unchecked" ) + protected boolean compare( T value ) + { + return ( (Comparable) value ).compareTo( this.value ) > 0; + } + + @Override + public String toString() + { + return property.toString() + ">" + value.toString(); + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/LeSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/LeSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/LeSpecification.java new file mode 100644 index 0000000..3715ffd --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/LeSpecification.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +/** + * Less or equals Specification. + */ +public class LeSpecification<T> + extends ComparisonSpecification<T> +{ + public LeSpecification( PropertyFunction<T> property, T value ) + { + super( property, value ); + } + + @Override + @SuppressWarnings( "unchecked" ) + protected boolean compare( T value ) + { + return ( (Comparable) value ).compareTo( this.value ) <= 0; + } + + @Override + public String toString() + { + return property.toString() + "<=" + value.toString(); + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/LtSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/LtSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/LtSpecification.java new file mode 100644 index 0000000..6d3002a --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/LtSpecification.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +/** + * Lesser than Specification. + */ +public class LtSpecification<T> + extends ComparisonSpecification<T> +{ + public LtSpecification( PropertyFunction<T> property, T value ) + { + super( property, value ); + } + + @Override + @SuppressWarnings( "unchecked" ) + protected boolean compare( T value ) + { + return ( (Comparable) value ).compareTo( this.value ) < 0; + } + + @Override + public String toString() + { + return property.toString() + "<" + value.toString(); + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/ManyAssociationContainsSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/ManyAssociationContainsSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/ManyAssociationContainsSpecification.java new file mode 100644 index 0000000..d8a6b2e --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/ManyAssociationContainsSpecification.java @@ -0,0 +1,65 @@ +/* + * Copyright 2007-2011 Rickard Ãberg. + * Copyright 2007-2010 Niclas Hedhman. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * ied. + * + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.association.ManyAssociation; +import org.qi4j.api.composite.Composite; + +/** + * ManyAssociation Contains Specification. + */ +public class ManyAssociationContainsSpecification<T> + extends ExpressionSpecification +{ + private final ManyAssociationFunction<T> manyAssociationFunction; + private final T value; + + public ManyAssociationContainsSpecification( ManyAssociationFunction<T> manyAssociationFunction, T value ) + { + this.manyAssociationFunction = manyAssociationFunction; + this.value = value; + } + + public ManyAssociationFunction<T> manyAssociation() + { + return manyAssociationFunction; + } + + public T value() + { + return value; + } + + @Override + public boolean satisfiedBy( Composite item ) + { + ManyAssociation<T> collection = manyAssociationFunction.map( item ); + if( collection == null ) + { + return false; + } + return collection.contains( value ); + } + + @Override + public String toString() + { + return manyAssociationFunction + " contains:" + value; + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/ManyAssociationFunction.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/ManyAssociationFunction.java b/core/api/src/main/java/org/qi4j/api/query/grammar/ManyAssociationFunction.java new file mode 100644 index 0000000..e91cdeb --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/ManyAssociationFunction.java @@ -0,0 +1,117 @@ +/* + * Copyright 2007-2011 Rickard Ãberg. + * Copyright 2007-2010 Niclas Hedhman. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * ied. + * + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.qi4j.api.query.grammar; + +import java.lang.reflect.AccessibleObject; +import java.lang.reflect.Member; +import java.lang.reflect.Proxy; +import org.qi4j.api.association.AssociationStateHolder; +import org.qi4j.api.association.ManyAssociation; +import org.qi4j.api.composite.Composite; +import org.qi4j.api.composite.CompositeInstance; +import org.qi4j.functional.Function; + +/** + * Function to get Entity ManyAssociations. + */ +public class ManyAssociationFunction<T> + implements Function<Composite, ManyAssociation<T>> +{ + private final AssociationFunction<?> traversedAssociation; + private final ManyAssociationFunction<?> traversedManyAssociation; + private final NamedAssociationFunction<?> traversedNamedAssociation; + private final AccessibleObject accessor; + + public ManyAssociationFunction( AssociationFunction<?> traversedAssociation, + ManyAssociationFunction<?> traversedManyAssociation, + NamedAssociationFunction<?> traversedNamedAssociation, + AccessibleObject accessor + ) + { + this.traversedAssociation = traversedAssociation; + this.traversedManyAssociation = traversedManyAssociation; + this.traversedNamedAssociation = traversedNamedAssociation; + this.accessor = accessor; + } + + public AssociationFunction<?> traversedAssociation() + { + return traversedAssociation; + } + + public ManyAssociationFunction<?> traversedManyAssociation() + { + return traversedManyAssociation; + } + + public NamedAssociationFunction<?> traversedNamedAssociation() + { + return traversedNamedAssociation; + } + + public AccessibleObject accessor() + { + return accessor; + } + + @Override + public ManyAssociation<T> map( Composite entity ) + { + try + { + Object target = entity; + if( traversedAssociation != null ) + { + target = traversedAssociation.map( entity ).get(); + } + if( traversedManyAssociation != null ) + { + throw new IllegalArgumentException( "Cannot traverse ManyAssociations" ); + } + if( traversedNamedAssociation != null ) + { + throw new IllegalArgumentException( "Cannot traverse NamedAssociations" ); + } + + CompositeInstance handler = (CompositeInstance) Proxy.getInvocationHandler( target ); + return ( (AssociationStateHolder) handler.state() ).manyAssociationFor( accessor ); + } + catch( IllegalArgumentException e ) + { + throw e; + } + catch( Throwable e ) + { + throw new IllegalArgumentException( e ); + } + } + + @Override + public String toString() + { + if( traversedAssociation != null ) + { + return traversedAssociation.toString() + "." + ( (Member) accessor ).getName(); + } + else + { + return ( (Member) accessor ).getName(); + } + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/MatchesSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/MatchesSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/MatchesSpecification.java new file mode 100644 index 0000000..6cde577 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/MatchesSpecification.java @@ -0,0 +1,93 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.composite.Composite; +import org.qi4j.api.property.Property; + +/** + * Regular expression match Specification. + */ +public class MatchesSpecification + extends ExpressionSpecification +{ + private PropertyFunction<String> property; + private Object value; + + public MatchesSpecification( PropertyFunction<String> property, String regexp ) + { + this.property = property; + this.value = regexp; + } + + public MatchesSpecification( PropertyFunction<String> property, Variable variable ) + { + this.property = property; + this.value = variable; + } + + public PropertyFunction<String> property() + { + return property; + } + + public Object value() + { + return value; + } + + public String regexp() + { + return ( String ) value; + } + + @Override + public boolean satisfiedBy( Composite item ) + { + Property<String> prop = property.map( item ); + + if( prop == null ) + { + return false; + } + + String val = prop.get(); + + if( val == null ) + { + return false; + } + + return val.matches( ( String ) value ); + } + + @Override + public String toString() + { + return new StringBuilder() + .append( "( " ) + .append( property ) + .append( " matches " ) + .append( "\"" ) + .append( value ) + .append( "\"" ) + .append( " )" ) + .toString(); + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/NamedAssociationContainsNameSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/NamedAssociationContainsNameSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/NamedAssociationContainsNameSpecification.java new file mode 100644 index 0000000..c20987e --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/NamedAssociationContainsNameSpecification.java @@ -0,0 +1,65 @@ +/* + * Copyright 2011-2012 Niclas Hedhman. + * Copyright 2014 Paul Merlin. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * ied. + * + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.association.NamedAssociation; +import org.qi4j.api.composite.Composite; + +/** + * NamedAssociation Contains Specification. + */ +public class NamedAssociationContainsNameSpecification<T> + extends ExpressionSpecification +{ + private final NamedAssociationFunction<T> namedAssociationFunction; + private final String name; + + public NamedAssociationContainsNameSpecification( NamedAssociationFunction<T> namedAssociationFunction, String name ) + { + this.namedAssociationFunction = namedAssociationFunction; + this.name = name; + } + + public NamedAssociationFunction<T> namedAssociation() + { + return namedAssociationFunction; + } + + public String name() + { + return name; + } + + @Override + public boolean satisfiedBy( Composite item ) + { + NamedAssociation<T> collection = namedAssociationFunction.map( item ); + if( collection == null ) + { + return false; + } + return collection.containsName( name ); + } + + @Override + public String toString() + { + return namedAssociationFunction + " contains name:" + name; + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/NamedAssociationContainsSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/NamedAssociationContainsSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/NamedAssociationContainsSpecification.java new file mode 100644 index 0000000..22079aa --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/NamedAssociationContainsSpecification.java @@ -0,0 +1,65 @@ +/* + * Copyright 2011-2012 Niclas Hedhman. + * Copyright 2014 Paul Merlin. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * ied. + * + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.association.NamedAssociation; +import org.qi4j.api.composite.Composite; + +/** + * NamedAssociation Contains Specification. + */ +public class NamedAssociationContainsSpecification<T> + extends ExpressionSpecification +{ + private final NamedAssociationFunction<T> namedAssociationFunction; + private final T value; + + public NamedAssociationContainsSpecification( NamedAssociationFunction<T> namedAssociationFunction, T value ) + { + this.namedAssociationFunction = namedAssociationFunction; + this.value = value; + } + + public NamedAssociationFunction<T> namedAssociation() + { + return namedAssociationFunction; + } + + public T value() + { + return value; + } + + @Override + public boolean satisfiedBy( Composite item ) + { + NamedAssociation<T> collection = namedAssociationFunction.map( item ); + if( collection == null ) + { + return false; + } + return collection.nameOf( value ) != null; + } + + @Override + public String toString() + { + return namedAssociationFunction + " contains:" + value; + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/NamedAssociationFunction.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/NamedAssociationFunction.java b/core/api/src/main/java/org/qi4j/api/query/grammar/NamedAssociationFunction.java new file mode 100644 index 0000000..3f7b8e3 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/NamedAssociationFunction.java @@ -0,0 +1,117 @@ +/* + * Copyright 2011-2012 Niclas Hedhman. + * Copyright 2014 Paul Merlin. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * ied. + * + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.qi4j.api.query.grammar; + +import java.lang.reflect.AccessibleObject; +import java.lang.reflect.Member; +import java.lang.reflect.Proxy; +import org.qi4j.api.association.AssociationStateHolder; +import org.qi4j.api.association.NamedAssociation; +import org.qi4j.api.composite.Composite; +import org.qi4j.api.composite.CompositeInstance; +import org.qi4j.functional.Function; + +/** + * Function to get Entity NamedAssociations. + */ +public class NamedAssociationFunction<T> + implements Function<Composite, NamedAssociation<T>> +{ + private final AssociationFunction<?> traversedAssociation; + private final ManyAssociationFunction<?> traversedManyAssociation; + private final NamedAssociationFunction<?> traversedNamedAssociation; + private final AccessibleObject accessor; + + public NamedAssociationFunction( AssociationFunction<?> traversedAssociation, + ManyAssociationFunction<?> traversedManyAssociation, + NamedAssociationFunction<?> traversedNamedAssociation, + AccessibleObject accessor + ) + { + this.traversedAssociation = traversedAssociation; + this.traversedManyAssociation = traversedManyAssociation; + this.traversedNamedAssociation = traversedNamedAssociation; + this.accessor = accessor; + } + + public AssociationFunction<?> traversedAssociation() + { + return traversedAssociation; + } + + public ManyAssociationFunction<?> traversedManyAssociation() + { + return traversedManyAssociation; + } + + public NamedAssociationFunction<?> traversedNamedAssociation() + { + return traversedNamedAssociation; + } + + public AccessibleObject accessor() + { + return accessor; + } + + @Override + public NamedAssociation<T> map( Composite entity ) + { + try + { + Object target = entity; + if( traversedAssociation != null ) + { + target = traversedAssociation.map( entity ).get(); + } + if( traversedManyAssociation != null ) + { + throw new IllegalArgumentException( "Cannot traverse ManyAssociations" ); + } + if( traversedNamedAssociation != null ) + { + throw new IllegalArgumentException( "Cannot traverse NamedAssociations" ); + } + + CompositeInstance handler = (CompositeInstance) Proxy.getInvocationHandler( target ); + return ( (AssociationStateHolder) handler.state() ).namedAssociationFor( accessor ); + } + catch( IllegalArgumentException e ) + { + throw e; + } + catch( Throwable e ) + { + throw new IllegalArgumentException( e ); + } + } + + @Override + public String toString() + { + if( traversedAssociation != null ) + { + return traversedAssociation.toString() + "." + ( (Member) accessor ).getName(); + } + else + { + return ( (Member) accessor ).getName(); + } + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/NeSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/NeSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/NeSpecification.java new file mode 100644 index 0000000..e864184 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/NeSpecification.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +/** + * Not equals Specification. + */ +public class NeSpecification<T> + extends ComparisonSpecification<T> +{ + public NeSpecification( PropertyFunction<T> property, T value ) + { + super( property, value ); + } + + @Override + protected boolean compare( T value ) + { + return !value.equals( this.value ); + } + + @Override + public String toString() + { + return property.toString() + "!=" + value.toString(); + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/NotSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/NotSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/NotSpecification.java new file mode 100644 index 0000000..a85500d --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/NotSpecification.java @@ -0,0 +1,53 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.composite.Composite; +import org.qi4j.functional.Specification; +import org.qi4j.functional.Specifications; + +/** + * NOT Specification. + */ +public class NotSpecification implements Specification<Composite> +{ + private Specification<Composite> operand; + + public NotSpecification( Specification<Composite> operand ) + { + this.operand = operand; + } + + public Specification<Composite> operand() + { + return operand; + } + + @Override + public boolean satisfiedBy( Composite item ) + { + return Specifications.not( operand ).satisfiedBy( item ); + } + + @Override + public String toString() + { + return "!" + operand.toString(); + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/OrSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/OrSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/OrSpecification.java new file mode 100644 index 0000000..ac775d6 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/OrSpecification.java @@ -0,0 +1,56 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.composite.Composite; +import org.qi4j.functional.Specification; +import org.qi4j.functional.Specifications; + +/** + * OR Specification. + */ +public class OrSpecification + extends BinarySpecification +{ + + public OrSpecification( Iterable<Specification<Composite>> operands ) + { + super( operands ); + } + + @Override + public boolean satisfiedBy( Composite item ) + { + return Specifications.or( operands ).satisfiedBy( item ); + } + + @Override + public String toString() + { + StringBuilder sb = new StringBuilder( "(" ); + String or = ""; + for( Specification<Composite> operand : operands ) + { + sb.append( or ).append( operand ); + or = " or "; + } + return sb.append( ")" ).toString(); + } + +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/OrderBy.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/OrderBy.java b/core/api/src/main/java/org/qi4j/api/query/grammar/OrderBy.java new file mode 100644 index 0000000..097171b --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/OrderBy.java @@ -0,0 +1,92 @@ +/* + * Copyright 2007 Niclas Hedhman. + * Copyright 2008 Alin Dreghiciu. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * implied. + * + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.qi4j.api.query.grammar; + +/** + * Query sorting segment. + */ +public class OrderBy +{ + /** + * Order direction. + */ + public enum Order + { + ASCENDING, DESCENDING + } + + /** + * Order. + */ + private final PropertyFunction<?> propertyReference; + /** + * Direction. + */ + private final Order order; + + /** + * Constructor. + * + * @param propertyReference property that determines the order; cannot be null + * @param order direction + * + * @throws IllegalArgumentException - If property is null + */ + public OrderBy( final PropertyFunction<?> propertyReference, + final Order order + ) + { + if( propertyReference == null ) + { + throw new IllegalArgumentException( "Ordering property cannot be null" ); + } + this.propertyReference = propertyReference; + this.order = order; + } + + /** + * Getter. + * + * @return property; cannot be null + */ + public PropertyFunction<?> property() + { + return propertyReference; + } + + /** + * Getter. + * + * @return direction; cannot be null + */ + public Order order() + { + return order; + } + + @Override + public String toString() + { + return new StringBuilder() + .append( propertyReference ) + .append( " " ) + .append( order ) + .toString(); + } +} \ No newline at end of file http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyFunction.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyFunction.java b/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyFunction.java new file mode 100644 index 0000000..b3f4c37 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyFunction.java @@ -0,0 +1,179 @@ +/* + * Copyright 2007-2011 Rickard Ãberg. + * Copyright 2007-2010 Niclas Hedhman. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * ied. + * + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.qi4j.api.query.grammar; + +import java.lang.reflect.AccessibleObject; +import java.lang.reflect.Member; +import java.lang.reflect.ParameterizedType; +import java.lang.reflect.Proxy; +import java.lang.reflect.Type; +import org.qi4j.api.association.Association; +import org.qi4j.api.composite.Composite; +import org.qi4j.api.composite.CompositeInstance; +import org.qi4j.api.property.GenericPropertyInfo; +import org.qi4j.api.property.Property; +import org.qi4j.api.query.NotQueryableException; +import org.qi4j.api.query.QueryExpressionException; +import org.qi4j.api.util.Classes; +import org.qi4j.functional.Function; + +import static org.qi4j.api.util.Classes.typeOf; + +/** + * Function to get Entity Properties. + */ +public class PropertyFunction<T> + implements Function<Composite, Property<T>> +{ + private final PropertyFunction<?> traversedProperty; + private final AssociationFunction<?> traversedAssociation; + private final ManyAssociationFunction<?> traversedManyAssociation; + private final NamedAssociationFunction<?> traversedNamedAssociation; + private final AccessibleObject accessor; + + public PropertyFunction( PropertyFunction<?> traversedProperty, + AssociationFunction<?> traversedAssociation, + ManyAssociationFunction<?> traversedManyAssociation, + NamedAssociationFunction<?> traversedNamedAssociation, + AccessibleObject accessor + ) + { + this.traversedProperty = traversedProperty; + this.traversedAssociation = traversedAssociation; + this.traversedManyAssociation = traversedManyAssociation; + this.traversedNamedAssociation = traversedNamedAssociation; + this.accessor = accessor; + + // Verify that the property accessor is not marked as non queryable + NotQueryableException.throwIfNotQueryable( accessor ); + // Verify that the property type itself (value composites) is not marked as non queryable + + Type returnType = typeOf( accessor ); + if( !Property.class.isAssignableFrom( Classes.RAW_CLASS.map( returnType ) ) ) + { + throw new QueryExpressionException( "Not a property type:" + returnType ); + } + Type propertyTypeAsType = GenericPropertyInfo.toPropertyType( returnType ); + if( propertyTypeAsType instanceof ParameterizedType ) + { + propertyTypeAsType = ( (ParameterizedType) propertyTypeAsType ).getRawType(); + } + + if( !( propertyTypeAsType instanceof Class ) ) + { + throw new QueryExpressionException( "Unsupported property type:" + propertyTypeAsType ); + } + @SuppressWarnings( "unchecked" ) + Class<T> type = (Class<T>) propertyTypeAsType; + NotQueryableException.throwIfNotQueryable( type ); + } + + public PropertyFunction<?> traversedProperty() + { + return traversedProperty; + } + + public AssociationFunction<?> traversedAssociation() + { + return traversedAssociation; + } + + public ManyAssociationFunction<?> traversedManyAssociation() + { + return traversedManyAssociation; + } + + public NamedAssociationFunction<?> traversedNamedAssociation() + { + return traversedNamedAssociation; + } + + public AccessibleObject accessor() + { + return accessor; + } + + @Override + public Property<T> map( Composite entity ) + { + try + { + Object target = entity; + if( traversedProperty != null ) + { + Property<?> property = traversedProperty.map( entity ); + if( property == null ) + { + return null; + } + target = property.get(); + } + else if( traversedAssociation != null ) + { + Association<?> association = traversedAssociation.map( entity ); + if( association == null ) + { + return null; + } + target = association.get(); + } + else if( traversedManyAssociation != null ) + { + throw new IllegalArgumentException( "Cannot evaluate a ManyAssociation" ); + } + else if( traversedNamedAssociation != null ) + { + throw new IllegalArgumentException( "Cannot evaluate a NamedAssociation" ); + } + + if( target == null ) + { + return null; + } + + CompositeInstance handler = (CompositeInstance) Proxy.getInvocationHandler( target ); + return handler.state().propertyFor( accessor ); + } + catch( IllegalArgumentException e ) + { + throw e; + } + catch( Throwable e ) + { + throw new IllegalArgumentException( e ); + } + } + + @Override + public String toString() + { + if( traversedProperty != null ) + { + return traversedProperty.toString() + "." + ( (Member) accessor ).getName(); + } + else if( traversedAssociation != null ) + { + return traversedAssociation.toString() + "." + ( (Member) accessor ).getName(); + } + else + { + return ( (Member) accessor ).getName(); + } + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyNotNullSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyNotNullSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyNotNullSpecification.java new file mode 100644 index 0000000..c73afa8 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyNotNullSpecification.java @@ -0,0 +1,60 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.composite.Composite; +import org.qi4j.api.property.Property; + +/** + * Property not null Specification. + */ +public class PropertyNotNullSpecification<T> + extends ExpressionSpecification +{ + private PropertyFunction<T> property; + + public PropertyNotNullSpecification( PropertyFunction<T> property ) + { + this.property = property; + } + + public PropertyFunction<T> property() + { + return property; + } + + @Override + public boolean satisfiedBy( Composite item ) + { + Property<T> prop = property.map( item ); + + if( prop == null ) + { + return false; + } + + return prop.get() != null; + } + + @Override + public String toString() + { + return property.toString() + "is not null"; + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyNullSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyNullSpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyNullSpecification.java new file mode 100644 index 0000000..7f7908f --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyNullSpecification.java @@ -0,0 +1,60 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.composite.Composite; +import org.qi4j.api.property.Property; + +/** + * Property null Specification. + */ +public class PropertyNullSpecification<T> + extends ExpressionSpecification +{ + private PropertyFunction<T> property; + + public PropertyNullSpecification( PropertyFunction<T> property ) + { + this.property = property; + } + + public PropertyFunction<T> property() + { + return property; + } + + @Override + public boolean satisfiedBy( Composite item ) + { + Property<T> prop = property.map( item ); + + if( prop == null ) + { + return true; + } + + return prop.get() == null; + } + + @Override + public String toString() + { + return property.toString() + "is null"; + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyReference.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyReference.java b/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyReference.java new file mode 100644 index 0000000..7b865de --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/PropertyReference.java @@ -0,0 +1,31 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.composite.Composite; +import org.qi4j.api.property.Property; +import org.qi4j.functional.Function; + +/** + * Property Reference. + */ +public interface PropertyReference +{ + <T> Function<Composite, Property<T>> reference(); +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/QuerySpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/QuerySpecification.java b/core/api/src/main/java/org/qi4j/api/query/grammar/QuerySpecification.java new file mode 100644 index 0000000..3c033d7 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/QuerySpecification.java @@ -0,0 +1,71 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +import org.qi4j.api.composite.Composite; +import org.qi4j.functional.Specification; + +/** + * This should be used when doing native queries, such as SQL, SPARQL or similar. EntityFinders can choose + * what type of query languages they can understand by checking the language property of a QuerySpecification + */ +public class QuerySpecification + implements Specification<Composite> +{ + public static boolean isQueryLanguage( String language, Specification<Composite> specification ) + { + if( !( specification instanceof QuerySpecification ) ) + { + return false; + } + + return ( (QuerySpecification) specification ).language().equals( language ); + } + + private String language; + private String query; + + public QuerySpecification( String language, String query ) + { + this.language = language; + this.query = query; + } + + public String language() + { + return language; + } + + public String query() + { + return query; + } + + @Override + public boolean satisfiedBy( Composite item ) + { + return false; + } + + @Override + public String toString() + { + return language + ":" + query; + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/Variable.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/Variable.java b/core/api/src/main/java/org/qi4j/api/query/grammar/Variable.java new file mode 100644 index 0000000..205347b --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/Variable.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.query.grammar; + +/** + * Query Variable name. + */ +public class Variable +{ + private String name; + + public Variable( String name ) + { + this.name = name; + } + + public String variableName() + { + return name; + } + + @Override + public String toString() + { + return name; + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/grammar/package.html ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/grammar/package.html b/core/api/src/main/java/org/qi4j/api/query/grammar/package.html new file mode 100644 index 0000000..e0b80f6 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/grammar/package.html @@ -0,0 +1,21 @@ +<!-- +Licensed to the Apache Software Foundation (ASF) under one or more +contributor license agreements. See the NOTICE file distributed with +this work for additional information regarding copyright ownership. +The ASF licenses this file to You under the Apache License, Version 2.0 +(the "License"); you may not use this file except in compliance with +the License. You may obtain a copy of the License at + +http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +--> +<html> + <body> + <h2>Query Grammar.</h2> + </body> +</html> http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/query/package.html ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/query/package.html b/core/api/src/main/java/org/qi4j/api/query/package.html new file mode 100644 index 0000000..27e4455 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/query/package.html @@ -0,0 +1,21 @@ +<!-- +Licensed to the Apache Software Foundation (ASF) under one or more +contributor license agreements. See the NOTICE file distributed with +this work for additional information regarding copyright ownership. +The ASF licenses this file to You under the Apache License, Version 2.0 +(the "License"); you may not use this file except in compliance with +the License. You may obtain a copy of the License at + +http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +--> +<html> + <body> + <h2>Query API.</h2> + </body> +</html> http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/service/Availability.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/service/Availability.java b/core/api/src/main/java/org/qi4j/api/service/Availability.java new file mode 100644 index 0000000..3905a1d --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/service/Availability.java @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2010, Rickard Ãberg. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package org.qi4j.api.service; + +/** + * Services can implement this interface in order to allow Zest to ask + * it whether it is currently available for use or not. This is accessed + * by clients through the ServiceReference of the service. Services that do not + * implement this are always considered to be available. + */ +public interface Availability +{ + /** + * Implementations should return true if the underlying service is currently available for use. + * + * Reasons why a service might not be available is either if it has been configured not to be (see + * the Enabled interface), or if an underlying resource is currently unavailable. + * + * @return true if the service is available, false otherwise. + */ + boolean isAvailable(); +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/service/DuplicateServiceIdentityException.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/service/DuplicateServiceIdentityException.java b/core/api/src/main/java/org/qi4j/api/service/DuplicateServiceIdentityException.java new file mode 100644 index 0000000..fffa42a --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/service/DuplicateServiceIdentityException.java @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2008, Rickard Ãberg. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package org.qi4j.api.service; + +import org.qi4j.api.common.InvalidApplicationException; + +/** + * Thrown when a duplicate service identity is detected. + */ +public class DuplicateServiceIdentityException + extends InvalidApplicationException +{ + public DuplicateServiceIdentityException( String string ) + { + super( string ); + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/service/IdentityDescriptor.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/service/IdentityDescriptor.java b/core/api/src/main/java/org/qi4j/api/service/IdentityDescriptor.java new file mode 100644 index 0000000..13e0ee5 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/service/IdentityDescriptor.java @@ -0,0 +1,27 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.qi4j.api.service; + +/** + * Identity Descriptor. + */ +public interface IdentityDescriptor +{ + String identity(); +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/service/ImportedServiceDescriptor.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/service/ImportedServiceDescriptor.java b/core/api/src/main/java/org/qi4j/api/service/ImportedServiceDescriptor.java new file mode 100644 index 0000000..6590049 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/service/ImportedServiceDescriptor.java @@ -0,0 +1,28 @@ +/* + * Copyright (c) 2007, Rickard Ãberg. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package org.qi4j.api.service; + +import org.qi4j.api.composite.ModelDescriptor; + +/** + * {@code ServiceDescriptor} provides meta information of a service. + */ +public interface ImportedServiceDescriptor + extends ModelDescriptor, IdentityDescriptor +{ + Class<? extends ServiceImporter> serviceImporter(); + + Class<?> type(); +} \ No newline at end of file http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/service/NoSuchServiceException.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/service/NoSuchServiceException.java b/core/api/src/main/java/org/qi4j/api/service/NoSuchServiceException.java new file mode 100644 index 0000000..9ce08ae --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/service/NoSuchServiceException.java @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2012, Niclas Hedhman. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * + * You may obtain a copy of the License at + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.qi4j.api.service; + +import org.qi4j.api.composite.NoSuchCompositeException; + +/** + * Thrown when no visible service of the requested type is found. + */ +public class NoSuchServiceException extends NoSuchCompositeException +{ + public NoSuchServiceException( String typeName, String moduleName ) + { + super( "ServiceComposite", typeName, moduleName ); + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/service/ServiceActivation.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/service/ServiceActivation.java b/core/api/src/main/java/org/qi4j/api/service/ServiceActivation.java new file mode 100644 index 0000000..87a7cad --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/service/ServiceActivation.java @@ -0,0 +1,67 @@ +/* + * Copyright 2012 Paul Merlin. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * implied. + * + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.qi4j.api.service; + +import org.qi4j.api.activation.Activators; + +/** + * Convenience interface for simple Service Activation. + * + * Let your ServiceComposite extends ServiceActivation and implement it in one of its Mixins. + * A corresponding Activator is automatically registered. + */ +@Activators( ServiceActivation.ServiceActivator.class ) +public interface ServiceActivation +{ + + /** + * Called after ServiceComposite Activation. + */ + void activateService() + throws Exception; + + /** + * Called before ServiceComposite Passivation. + */ + void passivateService() + throws Exception; + + /** + * Service Activator. + */ + class ServiceActivator + extends ServiceActivatorAdapter<ServiceActivation> + { + + @Override + public void afterActivation( ServiceReference<ServiceActivation> activated ) + throws Exception + { + activated.get().activateService(); + } + + @Override + public void beforePassivation( ServiceReference<ServiceActivation> passivating ) + throws Exception + { + passivating.get().passivateService(); + } + + } + +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/service/ServiceActivatorAdapter.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/service/ServiceActivatorAdapter.java b/core/api/src/main/java/org/qi4j/api/service/ServiceActivatorAdapter.java new file mode 100644 index 0000000..966226e --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/service/ServiceActivatorAdapter.java @@ -0,0 +1,69 @@ +/* + * Copyright 2014 Paul Merlin. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + * implied. + * + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.qi4j.api.service; + +import org.qi4j.api.activation.Activator; + +/** + * Adapter for Service Activator. + * + * @param <ServiceType> Type of the service. + */ +public class ServiceActivatorAdapter<ServiceType> + implements Activator<ServiceReference<ServiceType>> +{ + /** + * Called before Service activation. + * @param activating Activating Service + */ + @Override + public void beforeActivation( ServiceReference<ServiceType> activating ) + throws Exception + { + } + + /** + * Called after Service activation. + * @param activated Activated Service + */ + @Override + public void afterActivation( ServiceReference<ServiceType> activated ) + throws Exception + { + } + + /** + * Called before Service passivation. + * @param passivating Passivating Service + */ + @Override + public void beforePassivation( ServiceReference<ServiceType> passivating ) + throws Exception + { + } + + /** + * Called after Service passivation. + * @param passivated Passivated Service + */ + @Override + public void afterPassivation( ServiceReference<ServiceType> passivated ) + throws Exception + { + } +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/service/ServiceComposite.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/service/ServiceComposite.java b/core/api/src/main/java/org/qi4j/api/service/ServiceComposite.java new file mode 100644 index 0000000..f27b994 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/service/ServiceComposite.java @@ -0,0 +1,27 @@ +/* + * Copyright (c) 2007, Rickard Ãberg. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package org.qi4j.api.service; + +import org.qi4j.api.composite.Composite; +import org.qi4j.api.entity.Identity; + +/** + * All Composites being used to implement Services + * must extend this interface. + */ +public interface ServiceComposite + extends Identity, Composite +{ +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/service/ServiceDescriptor.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/service/ServiceDescriptor.java b/core/api/src/main/java/org/qi4j/api/service/ServiceDescriptor.java new file mode 100644 index 0000000..d6a55ee --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/service/ServiceDescriptor.java @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2007, Rickard Ãberg. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package org.qi4j.api.service; + +import org.qi4j.api.composite.CompositeDescriptor; +import org.qi4j.api.composite.StatefulCompositeDescriptor; + +/** + * {@code ServiceDescriptor} provides meta informations of a service. + */ +public interface ServiceDescriptor + extends CompositeDescriptor, IdentityDescriptor, StatefulCompositeDescriptor +{ + boolean isInstantiateOnStartup(); + + <T> Class<T> configurationType(); +} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/qi4j/api/service/ServiceFinder.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/qi4j/api/service/ServiceFinder.java b/core/api/src/main/java/org/qi4j/api/service/ServiceFinder.java new file mode 100644 index 0000000..3ffb213 --- /dev/null +++ b/core/api/src/main/java/org/qi4j/api/service/ServiceFinder.java @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2008, Rickard Ãberg. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package org.qi4j.api.service; + +import java.lang.reflect.Type; + +/** + * Interface used to query for ServiceReferences. + * <p> + * Each ServiceFinder is + * obtained from a specific Module, and the lookup rules are the following: + * </p> + * <ol> + * <li>First look in the same Module as the ServiceFinder</li> + * <li>Then look in the same Layer as the ServiceFinder. Any Services declared + * with Visibility Layer and Application should be included</li> + * <li>Then look in the used Layers. Any Services declared with Visibility Application + * should be included</li> + * </ol> + * <p> + * Both native Zest services and imported services are considered, with preference to native services. + * </p> + */ +public interface ServiceFinder +{ + /** + * Find a ServiceReference that implements the given type. + * + * @param serviceType the type that the Service must implement + * + * @return a ServiceReference if one is found + * + * @throws NoSuchServiceException if no service of serviceType is found + */ + <T> ServiceReference<T> findService( Class<T> serviceType ) + throws NoSuchServiceException; + + /** + * Find a ServiceReference that implements the given type. + * + * @param serviceType the type that the Service must implement + * + * @return a ServiceReference if one is found + * + * @throws NoSuchServiceException if no service of serviceType is found + */ + <T> ServiceReference<T> findService( Type serviceType ) + throws NoSuchServiceException; + + /** + * Find ServiceReferences that implements the given type. + * <p> + * The order of the references is such that Services more local to the querying + * Module is earlier in the list. + * </p> + * + * @param serviceType the type that the Services must implement + * + * @return an iterable of ServiceReferences for the given type. It is empty if none exist + */ + <T> Iterable<ServiceReference<T>> findServices( Class<T> serviceType ); + + /** + * Find ServiceReferences that implements the given type. + * <p> + * The order of the references is such that Services more local to the querying + * Module is earlier in the list. + * </p> + * + * @param serviceType the type that the Services must implement + * + * @return an iterable of ServiceReferences for the given type. It is empty if none exist + */ + <T> Iterable<ServiceReference<T>> findServices( Type serviceType ); +}
