http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/apache/zest/api/query/QueryExpressions.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/QueryExpressions.java b/core/api/src/main/java/org/apache/zest/api/query/QueryExpressions.java deleted file mode 100644 index a109310..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/QueryExpressions.java +++ /dev/null @@ -1,944 +0,0 @@ -/* - * Copyright 2007-2011 Rickard Ãberg. - * Copyright 2007-2010 Niclas Hedhman. - * Copyright 2008 Alin Dreghiciu. - * Copyright 2012 Stanislav Muhametsin. - * Copyright 2012-2014 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.apache.zest.api.query; - -import java.lang.reflect.Field; -import java.lang.reflect.InvocationHandler; -import java.lang.reflect.Method; -import java.lang.reflect.Proxy; -import java.lang.reflect.Type; -import java.util.Arrays; -import java.util.Collection; -import org.apache.zest.api.association.Association; -import org.apache.zest.api.association.GenericAssociationInfo; -import org.apache.zest.api.association.ManyAssociation; -import org.apache.zest.api.association.NamedAssociation; -import org.apache.zest.api.composite.Composite; -import org.apache.zest.api.entity.Identity; -import org.apache.zest.api.injection.scope.State; -import org.apache.zest.api.property.GenericPropertyInfo; -import org.apache.zest.api.property.Property; -import org.apache.zest.api.query.grammar.AndSpecification; -import org.apache.zest.api.query.grammar.AssociationFunction; -import org.apache.zest.api.query.grammar.AssociationNotNullSpecification; -import org.apache.zest.api.query.grammar.AssociationNullSpecification; -import org.apache.zest.api.query.grammar.ContainsAllSpecification; -import org.apache.zest.api.query.grammar.ContainsSpecification; -import org.apache.zest.api.query.grammar.EqSpecification; -import org.apache.zest.api.query.grammar.GeSpecification; -import org.apache.zest.api.query.grammar.GtSpecification; -import org.apache.zest.api.query.grammar.LeSpecification; -import org.apache.zest.api.query.grammar.LtSpecification; -import org.apache.zest.api.query.grammar.ManyAssociationContainsSpecification; -import org.apache.zest.api.query.grammar.ManyAssociationFunction; -import org.apache.zest.api.query.grammar.MatchesSpecification; -import org.apache.zest.api.query.grammar.NamedAssociationContainsNameSpecification; -import org.apache.zest.api.query.grammar.NamedAssociationContainsSpecification; -import org.apache.zest.api.query.grammar.NamedAssociationFunction; -import org.apache.zest.api.query.grammar.NeSpecification; -import org.apache.zest.api.query.grammar.NotSpecification; -import org.apache.zest.api.query.grammar.OrSpecification; -import org.apache.zest.api.query.grammar.OrderBy; -import org.apache.zest.api.query.grammar.PropertyFunction; -import org.apache.zest.api.query.grammar.PropertyNotNullSpecification; -import org.apache.zest.api.query.grammar.PropertyNullSpecification; -import org.apache.zest.api.query.grammar.PropertyReference; -import org.apache.zest.api.query.grammar.Variable; -import org.apache.zest.api.util.NullArgumentException; -import org.apache.zest.functional.Specification; - -import static org.apache.zest.functional.Iterables.first; -import static org.apache.zest.functional.Iterables.prepend; - -/** - * Static factory methods for query expressions and operators. - */ -public final class QueryExpressions -{ - // This is used for eq(Association,Composite) - private static final Method IDENTITY_METHOD; - - static - { - try - { - IDENTITY_METHOD = Identity.class.getMethod( "identity" ); - } - catch( NoSuchMethodException e ) - { - throw new InternalError( "Zest Core API codebase is corrupted. Contact Zest team: QueryExpressions" ); - } - } - - // Templates and variables -----------------------------------------------| - - /** - * Create a Query Template using the given type. - * - * @param <T> the type of the template - * @param clazz a class declaring the type of the template - * - * @return a new Query Template - */ - public static <T> T templateFor( Class<T> clazz ) - { - NullArgumentException.validateNotNull( "Template class", clazz ); - - if( clazz.isInterface() ) - { - return clazz.cast( Proxy.newProxyInstance( clazz.getClassLoader(), - array( clazz ), - new TemplateHandler<T>( null, null, null, null ) ) ); - } - else - { - try - { - T mixin = clazz.newInstance(); - for( Field field : clazz.getFields() ) - { - if( field.getAnnotation( State.class ) != null ) - { - if( field.getType().equals( Property.class ) ) - { - field.set( mixin, - Proxy.newProxyInstance( field.getType().getClassLoader(), - array( field.getType() ), - new PropertyReferenceHandler<>( new PropertyFunction<T>( null, null, null, null, field ) ) ) ); - } - else if( field.getType().equals( Association.class ) ) - { - field.set( mixin, - Proxy.newProxyInstance( field.getType().getClassLoader(), - array( field.getType() ), - new AssociationReferenceHandler<>( new AssociationFunction<T>( null, null, null, field ) ) ) ); - } - else if( field.getType().equals( ManyAssociation.class ) ) - { - field.set( mixin, - Proxy.newProxyInstance( field.getType().getClassLoader(), - array( field.getType() ), - new ManyAssociationReferenceHandler<>( new ManyAssociationFunction<T>( null, null, null, field ) ) ) ); - } - else if( field.getType().equals( NamedAssociation.class ) ) - { - field.set( mixin, - Proxy.newProxyInstance( field.getType().getClassLoader(), - array( field.getType() ), - new NamedAssociationReferenceHandler<>( new NamedAssociationFunction<T>( null, null, null, field ) ) ) ); - } - } - } - return mixin; - } - catch( IllegalAccessException | IllegalArgumentException | InstantiationException | SecurityException e ) - { - throw new IllegalArgumentException( "Cannot use class as template", e ); - } - } - } - - /** - * Create a Query Template using the given mixin class and association. - * - * @param <T> the type of the template - * @param mixinType a class declaring the type of the template - * @param association an association - * - * @return a new Query Template - */ - public static <T> T templateFor( final Class<T> mixinType, Association<?> association ) - { - NullArgumentException.validateNotNull( "Mixin class", mixinType ); - NullArgumentException.validateNotNull( "Association", association ); - return mixinType.cast( Proxy.newProxyInstance( mixinType.getClassLoader(), - array( mixinType ), - new TemplateHandler<T>( null, - association( association ), - null, - null ) ) ); - } - - public static <T> T oneOf( final ManyAssociation<T> association ) - { - NullArgumentException.validateNotNull( "Association", association ); - return association.get( 0 ); - } - - public static <T> T oneOf( final NamedAssociation<T> association ) - { - NullArgumentException.validateNotNull( "Association", association ); - return association.get( first( association ) ); - } - - /** - * Create a new Query Variable. - * - * @param name a name for the Variable - * - * @return a new Query Variable. - */ - public static Variable variable( String name ) - { - NullArgumentException.validateNotNull( "Variable name", name ); - return new Variable( name ); - } - - /** - * Create a new Query Template PropertyFunction. - * - * @param <T> type of the Property - * @param property a Property - * - * @return a new Query Template PropertyFunction - */ - @SuppressWarnings( "unchecked" ) - public static <T> PropertyFunction<T> property( Property<T> property ) - { - return ( (PropertyReferenceHandler<T>) Proxy.getInvocationHandler( property ) ).property(); - } - - /** - * Create a new Query Property instance. - * - * @param <T> type of the Property - * @param mixinClass mixin of the Property - * @param fieldName name of the Property field - * - * @return a new Query Property instance for the given mixin and property name. - */ - @SuppressWarnings( "unchecked" ) - public static <T> Property<T> property( Class<?> mixinClass, String fieldName ) - { - try - { - Field field = mixinClass.getField( fieldName ); - if( !Property.class.isAssignableFrom( field.getType() ) ) - { - throw new IllegalArgumentException( "Field must be of type Property<?>" ); - } - return (Property<T>) Proxy.newProxyInstance( - mixinClass.getClassLoader(), - array( field.getType() ), - new PropertyReferenceHandler<>( new PropertyFunction<T>( null, null, null, null, field ) ) ); - } - catch( NoSuchFieldException e ) - { - throw new IllegalArgumentException( "No such field '" + fieldName + "' in mixin " + mixinClass.getName() ); - } - } - - /** - * Create a new Query Template AssociationFunction. - * - * @param <T> type of the Association - * @param association an Association - * - * @return a new Query Template AssociationFunction - */ - @SuppressWarnings( "unchecked" ) - public static <T> AssociationFunction<T> association( Association<T> association ) - { - return ( (AssociationReferenceHandler<T>) Proxy.getInvocationHandler( association ) ).association(); - } - - /** - * Create a new Query Template ManyAssociationFunction. - * - * @param <T> type of the ManyAssociation - * @param association a ManyAssociation - * - * @return a new Query Template ManyAssociationFunction - */ - @SuppressWarnings( "unchecked" ) - public static <T> ManyAssociationFunction<T> manyAssociation( ManyAssociation<T> association ) - { - return ( (ManyAssociationReferenceHandler<T>) Proxy.getInvocationHandler( association ) ).manyAssociation(); - } - - /** - * Create a new Query Template NamedAssociationFunction. - * - * @param <T> type of the NamedAssociation - * @param association a NamedAssociation - * - * @return a new Query Template NamedAssociationFunction - */ - @SuppressWarnings( "unchecked" ) - public static <T> NamedAssociationFunction<T> namedAssociation( NamedAssociation<T> association ) - { - return ( (NamedAssociationReferenceHandler<T>) Proxy.getInvocationHandler( association ) ).namedAssociation(); - } - - // And/Or/Not ------------------------------------------------------------| - /** - * Create a new AND specification. - * - * @param left first operand - * @param right second operand - * @param optionalRight optional operands - * - * @return a new AND specification - */ - @SafeVarargs - public static AndSpecification and( Specification<Composite> left, - Specification<Composite> right, - Specification<Composite>... optionalRight - ) - { - return new AndSpecification( prepend( left, prepend( right, Arrays.asList( optionalRight ) ) ) ); - } - - /** - * Create a new OR specification. - * - * @param specs operands - * - * @return a new OR specification - */ - @SafeVarargs - public static OrSpecification or( Specification<Composite>... specs ) - { - return new OrSpecification( Arrays.asList( specs ) ); - } - - /** - * Create a new NOT specification. - * - * @param operand specification to be negated - * - * @return a new NOT specification - */ - public static NotSpecification not( Specification<Composite> operand ) - { - return new NotSpecification( operand ); - } - - // Comparisons -----------------------------------------------------------| - - /** - * Create a new EQUALS specification for a Property. - * - * @param property a Property - * @param value its value - * - * @return a new EQUALS specification for a Property. - */ - public static <T> EqSpecification<T> eq( Property<T> property, T value ) - { - return new EqSpecification<>( property( property ), value ); - } - - /** - * Create a new EQUALS specification for a Property using a named Variable. - * - * @param property a Property - * @param variable a Query Variable - * - * @return a new EQUALS specification for a Property using a named Variable. - */ - @SuppressWarnings( {"raw", "unchecked"} ) - public static <T> EqSpecification<T> eq( Property<T> property, Variable variable ) - { - return new EqSpecification( property( property ), variable ); - } - - /** - * Create a new EQUALS specification for an Association. - * - * @param association an Association - * @param value its value - * - * @return a new EQUALS specification for an Association. - */ - public static <T> EqSpecification<String> eq( Association<T> association, T value ) - { - return new EqSpecification<>( new PropertyFunction<String>( null, - association( association ), - null, - null, - IDENTITY_METHOD ), - value.toString() ); - } - - /** - * Create a new GREATER OR EQUALS specification for a Property. - * - * @param property a Property - * @param value its value - * - * @return a new GREATER OR EQUALS specification for a Property. - */ - public static <T> GeSpecification<T> ge( Property<T> property, T value ) - { - return new GeSpecification<>( property( property ), value ); - } - - /** - * Create a new GREATER OR EQUALS specification for a Property using a named Variable. - * - * @param property a Property - * @param variable a Query Variable - * - * @return a new GREATER OR EQUALS specification for a Property using a named Variable. - */ - @SuppressWarnings( {"raw", "unchecked"} ) - public static <T> GeSpecification<T> ge( Property<T> property, Variable variable ) - { - return new GeSpecification( property( property ), variable ); - } - - /** - * Create a new GREATER THAN specification for a Property. - * - * @param property a Property - * @param value its value - * - * @return a new GREATER THAN specification for a Property. - */ - public static <T> GtSpecification<T> gt( Property<T> property, T value ) - { - return new GtSpecification<>( property( property ), value ); - } - - /** - * Create a new GREATER THAN specification for a Property using a named Variable. - * - * @param property a Property - * @param variable a Query Variable - * - * @return a new GREATER THAN specification for a Property using a named Variable. - */ - @SuppressWarnings( {"raw", "unchecked"} ) - public static <T> GtSpecification<T> gt( Property<T> property, Variable variable ) - { - return new GtSpecification( property( property ), variable ); - } - - /** - * Create a new LESS OR EQUALS specification for a Property. - * - * @param property a Property - * @param value its value - * - * @return a new LESS OR EQUALS specification for a Property. - */ - public static <T> LeSpecification<T> le( Property<T> property, T value ) - { - return new LeSpecification<>( property( property ), value ); - } - - /** - * Create a new LESS OR EQUALS specification for a Property using a named Variable. - * - * @param property a Property - * @param variable a Query Variable - * - * @return a new LESS OR EQUALS specification for a Property using a named Variable. - */ - @SuppressWarnings( {"raw", "unchecked"} ) - public static <T> LeSpecification<T> le( Property<T> property, Variable variable ) - { - return new LeSpecification( property( property ), variable ); - } - - /** - * Create a new LESSER THAN specification for a Property. - * - * @param property a Property - * @param value its value - * - * @return a new LESSER THAN specification for a Property. - */ - public static <T> LtSpecification<T> lt( Property<T> property, T value ) - { - return new LtSpecification<>( property( property ), value ); - } - - /** - * Create a new LESSER THAN specification for a Property using a named Variable. - * - * @param property a Property - * @param variable a Query Variable - * - * @return a new LESSER THAN specification for a Property using a named Variable. - */ - @SuppressWarnings( {"raw", "unchecked"} ) - public static <T> LtSpecification<T> lt( Property<T> property, Variable variable ) - { - return new LtSpecification( property( property ), variable ); - } - - /** - * Create a new NOT EQUALS specification for a Property. - * - * @param property a Property - * @param value its value - * - * @return a new NOT EQUALS specification for a Property. - */ - public static <T> NeSpecification<T> ne( Property<T> property, T value ) - { - return new NeSpecification<>( property( property ), value ); - } - - /** - * Create a new NOT EQUALS specification for a Property using a named Variable. - * - * @param property a Property - * @param variable a Query Variable - * - * @return a new NOT EQUALS specification for a Property using a named Variable. - */ - @SuppressWarnings( {"raw", "unchecked"} ) - public static <T> NeSpecification<T> ne( Property<T> property, Variable variable ) - { - return new NeSpecification( property( property ), variable ); - } - - /** - * Create a new REGULAR EXPRESSION specification for a Property. - * - * @param property a Property - * @param regexp its value - * - * @return a new REGULAR EXPRESSION specification for a Property. - */ - public static MatchesSpecification matches( Property<String> property, String regexp ) - { - return new MatchesSpecification( property( property ), regexp ); - } - - /** - * Create a new REGULAR EXPRESSION specification for a Property using a named Variable. - * - * @param property a Property - * @param variable a Query Variable - * - * @return a new REGULAR EXPRESSION specification for a Property using a named Variable. - */ - public static MatchesSpecification matches( Property<String> property, Variable variable ) - { - return new MatchesSpecification( property( property ), variable ); - } - - // Null checks -----------------------------------------------------------| - - /** - * Create a new NOT NULL specification for a Property. - * - * @param property a Property - * - * @return a new NOT NULL specification for a Property. - */ - public static <T> PropertyNotNullSpecification<T> isNotNull( Property<T> property ) - { - return new PropertyNotNullSpecification<>( property( property ) ); - } - - /** - * Create a new NULL specification for a Property. - * - * @param property a Property - * - * @return a new NULL specification for a Property. - */ - public static <T> PropertyNullSpecification<T> isNull( Property<T> property ) - { - return new PropertyNullSpecification<>( property( property ) ); - } - - /** - * Create a new NOT NULL specification for an Association. - * - * @param association an Association - * - * @return a new NOT NULL specification for an Association. - */ - public static <T> AssociationNotNullSpecification<T> isNotNull( Association<T> association ) - { - return new AssociationNotNullSpecification<>( association( association ) ); - } - - /** - * Create a new NULL specification for an Association. - * - * @param association an Association - * - * @return a new NULL specification for an Association. - */ - public static <T> AssociationNullSpecification<T> isNull( Association<T> association ) - { - return new AssociationNullSpecification<>( association( association ) ); - } - - // Collections -----------------------------------------------------------| - - /** - * Create a new CONTAINS ALL specification for a Collection Property. - * - * @param collectionProperty a Collection Property - * @param values its values - * - * @return a new CONTAINS ALL specification for a Collection Property. - */ - public static <T> ContainsAllSpecification<T> containsAll( Property<? extends Collection<T>> collectionProperty, - Iterable<T> values ) - { - NullArgumentException.validateNotNull( "Values", values ); - return new ContainsAllSpecification<>( property( collectionProperty ), values ); - } - - /** - * Create a new CONTAINS ALL specification for a Collection Property using named Variables. - * - * @param collectionProperty a Collection Property - * @param variables named Variables - * - * @return a new CONTAINS ALL specification for a Collection Property using named Variables. - */ - @SuppressWarnings( {"raw", "unchecked"} ) - public static <T> ContainsAllSpecification<T> containsAllVariables( - Property<? extends Collection<T>> collectionProperty, - Iterable<Variable> variables ) - { - NullArgumentException.validateNotNull( "Variables", variables ); - return new ContainsAllSpecification( property( collectionProperty ), variables ); - } - - /** - * Create a new CONTAINS specification for a Collection Property. - * - * @param collectionProperty a Collection Property - * @param value the value - * - * @return a new CONTAINS specification for a Collection Property. - */ - public static <T> ContainsSpecification<T> contains( Property<? extends Collection<T>> collectionProperty, - T value ) - { - NullArgumentException.validateNotNull( "Value", value ); - return new ContainsSpecification<>( property( collectionProperty ), value ); - } - - /** - * Create a new CONTAINS specification for a Collection Property using named Variables. - * - * @param collectionProperty a Collection Property - * @param variable named Variable - * - * @return a new CONTAINS specification for a Collection Property using named Variables. - */ - @SuppressWarnings( {"raw", "unchecked"} ) - public static <T> ContainsSpecification<T> contains( Property<? extends Collection<T>> collectionProperty, - Variable variable ) - { - NullArgumentException.validateNotNull( "Variable", variable ); - return new ContainsSpecification( property( collectionProperty ), variable ); - } - - /** - * Create a new CONTAINS specification for a ManyAssociation. - * - * @param manyAssoc a ManyAssociation - * @param value the value - * - * @return a new CONTAINS specification for a ManyAssociation. - */ - public static <T> ManyAssociationContainsSpecification<T> contains( ManyAssociation<T> manyAssoc, T value ) - { - return new ManyAssociationContainsSpecification<>( manyAssociation( manyAssoc ), value ); - } - - /** - * Create a new CONTAINS specification for a NamedAssociation. - * - * @param namedAssoc a NamedAssociation - * @param value the value - * - * @return a new CONTAINS specification for a NamedAssociation. - */ - public static <T> NamedAssociationContainsSpecification<T> contains( NamedAssociation<T> namedAssoc, T value ) - { - return new NamedAssociationContainsSpecification<>( namedAssociation( namedAssoc ), value ); - } - - /** - * Create a new CONTAINS NAME specification for a NamedAssociation. - * - * @param namedAssoc a NamedAssociation - * @param name the name - * - * @return a new CONTAINS NAME specification for a NamedAssociation. - */ - public static <T> NamedAssociationContainsNameSpecification<T> containsName( NamedAssociation<T> namedAssoc, - String name ) - { - return new NamedAssociationContainsNameSpecification<>( namedAssociation( namedAssoc ), name ); - } - - // Ordering --------------------------------------------------------------| - /** - * Create a new Query ascending order segment for a Property. - * - * @param <T> type of the Property - * @param property a Property - * - * @return a new Query ascending order segment for a Property. - */ - public static <T> OrderBy orderBy( final Property<T> property ) - { - return orderBy( property, OrderBy.Order.ASCENDING ); - } - - /** - * Create a new Query ordering segment for a Property. - * - * @param <T> type of the Property - * @param property a Property - * @param order ascending or descending - * - * @return a new Query ordering segment for a Property. - */ - public static <T> OrderBy orderBy( final Property<T> property, final OrderBy.Order order ) - { - return new OrderBy( property( property ), order ); - } - - // Query Templates InvocationHandlers ------------------------------------| - - private static class TemplateHandler<T> - implements InvocationHandler - { - private final PropertyFunction<?> compositeProperty; - private final AssociationFunction<?> compositeAssociation; - private final ManyAssociationFunction<?> compositeManyAssociation; - private final NamedAssociationFunction<?> compositeNamedAssociation; - - private TemplateHandler( PropertyFunction<?> compositeProperty, - AssociationFunction<?> compositeAssociation, - ManyAssociationFunction<?> compositeManyAssociation, - NamedAssociationFunction<?> compositeNamedAssociation - ) - { - this.compositeProperty = compositeProperty; - this.compositeAssociation = compositeAssociation; - this.compositeManyAssociation = compositeManyAssociation; - this.compositeNamedAssociation = compositeNamedAssociation; - } - - @Override - public Object invoke( Object o, Method method, Object[] objects ) - throws Throwable - { - if( Property.class.isAssignableFrom( method.getReturnType() ) ) - { - return Proxy.newProxyInstance( - method.getReturnType().getClassLoader(), - array( method.getReturnType() ), - new PropertyReferenceHandler<>( new PropertyFunction<T>( compositeProperty, - compositeAssociation, - compositeManyAssociation, - compositeNamedAssociation, - method ) ) ); - } - else if( Association.class.isAssignableFrom( method.getReturnType() ) ) - { - return Proxy.newProxyInstance( - method.getReturnType().getClassLoader(), - array( method.getReturnType() ), - new AssociationReferenceHandler<>( new AssociationFunction<T>( compositeAssociation, - compositeManyAssociation, - compositeNamedAssociation, - method ) ) ); - } - else if( ManyAssociation.class.isAssignableFrom( method.getReturnType() ) ) - { - return Proxy.newProxyInstance( - method.getReturnType().getClassLoader(), - array( method.getReturnType() ), - new ManyAssociationReferenceHandler<>( new ManyAssociationFunction<T>( compositeAssociation, - compositeManyAssociation, - compositeNamedAssociation, - method ) ) ); - } - else if( NamedAssociation.class.isAssignableFrom( method.getReturnType() ) ) - { - return Proxy.newProxyInstance( - method.getReturnType().getClassLoader(), - array( method.getReturnType() ), - new NamedAssociationReferenceHandler<>( new NamedAssociationFunction<T>( compositeAssociation, - compositeManyAssociation, - compositeNamedAssociation, - method ) ) ); - } - - return null; - } - } - - private static class PropertyReferenceHandler<T> - implements InvocationHandler - { - private final PropertyFunction<T> property; - - private PropertyReferenceHandler( PropertyFunction<T> property ) - { - this.property = property; - } - - private PropertyFunction<T> property() - { - return property; - } - - @Override - public Object invoke( Object o, final Method method, Object[] objects ) - throws Throwable - { - if( method.equals( Property.class.getMethod( "get" ) ) ) - { - Type propertyType = GenericPropertyInfo.propertyTypeOf( property.accessor() ); - if( propertyType.getClass().equals( Class.class ) ) - { - return Proxy.newProxyInstance( method.getDeclaringClass().getClassLoader(), - array( (Class<?>) propertyType, PropertyReference.class ), - new TemplateHandler<T>( property, null, null, null ) ); - } - } - - return null; - } - } - - private static class AssociationReferenceHandler<T> - implements InvocationHandler - { - private final AssociationFunction<T> association; - - private AssociationReferenceHandler( AssociationFunction<T> association ) - { - this.association = association; - } - - private AssociationFunction<T> association() - { - return association; - } - - @Override - public Object invoke( Object o, final Method method, Object[] objects ) - throws Throwable - { - if( method.equals( Association.class.getMethod( "get" ) ) ) - { - Type associationType = GenericAssociationInfo.associationTypeOf( association.accessor() ); - if( associationType.getClass().equals( Class.class ) ) - { - return Proxy.newProxyInstance( method.getDeclaringClass().getClassLoader(), - array( (Class) associationType, PropertyReference.class ), - new TemplateHandler<T>( null, association, null, null ) ); - } - } - - return null; - } - } - - private static class ManyAssociationReferenceHandler<T> - implements InvocationHandler - { - private final ManyAssociationFunction<T> manyAssociation; - - private ManyAssociationReferenceHandler( ManyAssociationFunction<T> manyAssociation ) - { - this.manyAssociation = manyAssociation; - } - - public ManyAssociationFunction<T> manyAssociation() - { - return manyAssociation; - } - - @Override - public Object invoke( Object o, final Method method, Object[] objects ) - throws Throwable - { - if( method.equals( ManyAssociation.class.getMethod( "get", Integer.TYPE ) ) ) - { - Type manyAssociationType = GenericAssociationInfo.associationTypeOf( manyAssociation.accessor() ); - if( manyAssociationType.getClass().equals( Class.class ) ) - { - return Proxy.newProxyInstance( method.getDeclaringClass().getClassLoader(), - array( (Class) manyAssociationType, PropertyReference.class ), - new TemplateHandler<T>( null, null, manyAssociation, null ) ); - } - } - - return null; - } - } - - private static class NamedAssociationReferenceHandler<T> - implements InvocationHandler - { - private final NamedAssociationFunction<T> namedAssociation; - - private NamedAssociationReferenceHandler( NamedAssociationFunction<T> namedAssociation ) - { - this.namedAssociation = namedAssociation; - } - - public NamedAssociationFunction<T> namedAssociation() - { - return namedAssociation; - } - - @Override - public Object invoke( Object o, final Method method, Object[] objects ) - throws Throwable - { - if( method.equals( NamedAssociation.class.getMethod( "get", String.class ) ) ) - { - Type namedAssociationType = GenericAssociationInfo.associationTypeOf( namedAssociation.accessor() ); - if( namedAssociationType.getClass().equals( Class.class ) ) - { - return Proxy.newProxyInstance( method.getDeclaringClass().getClassLoader(), - array( (Class) namedAssociationType, PropertyReference.class ), - new TemplateHandler<T>( null, null, null, namedAssociation ) ); - } - } - - return null; - } - } - - @SafeVarargs - private static <T> T[] array( T... array ) - { - return array; - } - - private QueryExpressions() - { - } -}
http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/apache/zest/api/query/grammar/AndSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/AndSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/AndSpecification.java deleted file mode 100644 index 3d710ad..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/AndSpecification.java +++ /dev/null @@ -1,56 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import org.apache.zest.api.composite.Composite; -import org.apache.zest.functional.Specification; -import org.apache.zest.functional.Specifications; - -/** - * AND Specification. - */ -public class AndSpecification - extends BinarySpecification -{ - - public AndSpecification( Iterable<Specification<Composite>> operands ) - { - super( operands ); - } - - @Override - public boolean satisfiedBy( Composite item ) - { - return Specifications.and( operands ).satisfiedBy( item ); - } - - @Override - public String toString() - { - StringBuilder sb = new StringBuilder( "(" ); - String and = ""; - for( Specification<Composite> operand : operands ) - { - sb.append( and ).append( operand ); - and = " and "; - } - return sb.append( ")" ).toString(); - } - -} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationFunction.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationFunction.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationFunction.java deleted file mode 100644 index 8355114..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationFunction.java +++ /dev/null @@ -1,148 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import java.lang.reflect.AccessibleObject; -import java.lang.reflect.Member; -import java.lang.reflect.Proxy; -import java.lang.reflect.Type; -import org.apache.zest.api.association.Association; -import org.apache.zest.api.association.AssociationStateHolder; -import org.apache.zest.api.association.GenericAssociationInfo; -import org.apache.zest.api.association.ManyAssociation; -import org.apache.zest.api.association.NamedAssociation; -import org.apache.zest.api.composite.Composite; -import org.apache.zest.api.composite.CompositeInstance; -import org.apache.zest.api.query.QueryExpressionException; -import org.apache.zest.api.util.Classes; -import org.apache.zest.functional.Function; - -import static org.apache.zest.api.util.Classes.typeOf; - -/** - * Function to get Entity Associations - */ -public class AssociationFunction<T> - implements Function<Composite, Association<T>> -{ - private final AssociationFunction<?> traversedAssociation; - private final ManyAssociationFunction<?> traversedManyAssociation; - private final NamedAssociationFunction<?> traversedNamedAssociation; - private final AccessibleObject accessor; - - public AssociationFunction( AssociationFunction<?> traversedAssociation, - ManyAssociationFunction<?> traversedManyAssociation, - NamedAssociationFunction<?> traversedNamedAssociation, - AccessibleObject accessor - ) - { - this.traversedAssociation = traversedAssociation; - this.traversedManyAssociation = traversedManyAssociation; - this.traversedNamedAssociation = traversedNamedAssociation; - this.accessor = accessor; - - Type returnType = typeOf( accessor ); - if( !Association.class.isAssignableFrom( Classes.RAW_CLASS.map( returnType ) ) - && !ManyAssociation.class.isAssignableFrom( Classes.RAW_CLASS.map( returnType ) ) - && !NamedAssociation.class.isAssignableFrom( Classes.RAW_CLASS.map( returnType ) ) ) - { - throw new QueryExpressionException( "Unsupported association type:" + returnType ); - } - Type associationTypeAsType = GenericAssociationInfo.toAssociationType( returnType ); - if( !( associationTypeAsType instanceof Class ) ) - { - throw new QueryExpressionException( "Unsupported association type:" + associationTypeAsType ); - } - } - - public AssociationFunction<?> traversedAssociation() - { - return traversedAssociation; - } - - public ManyAssociationFunction<?> traversedManyAssociation() - { - return traversedManyAssociation; - } - - public NamedAssociationFunction<?> traversedNamedAssociation() - { - return traversedNamedAssociation; - } - - public AccessibleObject accessor() - { - return accessor; - } - - @Override - public Association<T> map( Composite entity ) - { - try - { - Object target = entity; - 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 ( (AssociationStateHolder) handler.state() ).associationFor( 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/apache/zest/api/query/grammar/AssociationNotNullSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNotNullSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNotNullSpecification.java deleted file mode 100644 index 1376029..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNotNullSpecification.java +++ /dev/null @@ -1,67 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import org.apache.zest.api.association.Association; -import org.apache.zest.api.composite.Composite; - -/** - * Association not null Specification. - */ -public class AssociationNotNullSpecification<T> - extends ExpressionSpecification -{ - private AssociationFunction<T> association; - - public AssociationNotNullSpecification( AssociationFunction<T> association ) - { - this.association = association; - } - - public AssociationFunction<T> association() - { - return association; - } - - @Override - public boolean satisfiedBy( Composite item ) - { - try - { - Association<T> assoc = association.map( item ); - - if( assoc == null ) - { - return false; - } - - return assoc.get() != null; - } - catch( IllegalArgumentException e ) - { - return false; - } - } - - @Override - public String toString() - { - return association.toString() + "is not null"; - } -} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNullSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNullSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNullSpecification.java deleted file mode 100644 index 7dd72b2..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/AssociationNullSpecification.java +++ /dev/null @@ -1,67 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import org.apache.zest.api.association.Association; -import org.apache.zest.api.composite.Composite; - -/** - * Association null Specification. - */ -public class AssociationNullSpecification<T> - extends ExpressionSpecification -{ - private AssociationFunction<T> association; - - public AssociationNullSpecification( AssociationFunction<T> association ) - { - this.association = association; - } - - public AssociationFunction<T> association() - { - return association; - } - - @Override - public boolean satisfiedBy( Composite item ) - { - try - { - Association<T> assoc = association.map( item ); - - if( assoc == null ) - { - return true; - } - - return assoc.get() == null; - } - catch( IllegalArgumentException e ) - { - return true; - } - } - - @Override - public String toString() - { - return association.toString() + "is null"; - } -} http://git-wip-us.apache.org/repos/asf/polygene-java/blob/a789141d/core/api/src/main/java/org/apache/zest/api/query/grammar/BinarySpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/BinarySpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/BinarySpecification.java deleted file mode 100644 index 177caf0..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/BinarySpecification.java +++ /dev/null @@ -1,41 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import org.apache.zest.api.composite.Composite; -import org.apache.zest.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/apache/zest/api/query/grammar/ComparisonSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/ComparisonSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/ComparisonSpecification.java deleted file mode 100644 index c53fe00..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/ComparisonSpecification.java +++ /dev/null @@ -1,76 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import org.apache.zest.api.composite.Composite; -import org.apache.zest.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/apache/zest/api/query/grammar/ContainsAllSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsAllSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsAllSpecification.java deleted file mode 100644 index c5221d2..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsAllSpecification.java +++ /dev/null @@ -1,78 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import java.util.Collection; -import org.apache.zest.api.composite.Composite; -import org.apache.zest.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/apache/zest/api/query/grammar/ContainsSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsSpecification.java deleted file mode 100644 index 4f05aac..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/ContainsSpecification.java +++ /dev/null @@ -1,67 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import java.util.Collection; -import org.apache.zest.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/apache/zest/api/query/grammar/EqSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/EqSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/EqSpecification.java deleted file mode 100644 index b7ed03c..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/EqSpecification.java +++ /dev/null @@ -1,43 +0,0 @@ -/* - * 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.apache.zest.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/apache/zest/api/query/grammar/ExpressionSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/ExpressionSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/ExpressionSpecification.java deleted file mode 100644 index f0dd6b2..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/ExpressionSpecification.java +++ /dev/null @@ -1,60 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import org.apache.zest.api.composite.Composite; -import org.apache.zest.functional.Specification; - -import static org.apache.zest.functional.Iterables.append; -import static org.apache.zest.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/apache/zest/api/query/grammar/GeSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/GeSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/GeSpecification.java deleted file mode 100644 index f012293..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/GeSpecification.java +++ /dev/null @@ -1,44 +0,0 @@ -/* - * 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.apache.zest.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/apache/zest/api/query/grammar/GtSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/GtSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/GtSpecification.java deleted file mode 100644 index 880fb67..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/GtSpecification.java +++ /dev/null @@ -1,44 +0,0 @@ -/* - * 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.apache.zest.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/apache/zest/api/query/grammar/LeSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/LeSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/LeSpecification.java deleted file mode 100644 index 3a28f16..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/LeSpecification.java +++ /dev/null @@ -1,44 +0,0 @@ -/* - * 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.apache.zest.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/apache/zest/api/query/grammar/LtSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/LtSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/LtSpecification.java deleted file mode 100644 index 8f476c3..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/LtSpecification.java +++ /dev/null @@ -1,44 +0,0 @@ -/* - * 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.apache.zest.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/apache/zest/api/query/grammar/ManyAssociationContainsSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/ManyAssociationContainsSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/ManyAssociationContainsSpecification.java deleted file mode 100644 index a15bdb0..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/ManyAssociationContainsSpecification.java +++ /dev/null @@ -1,65 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import org.apache.zest.api.association.ManyAssociation; -import org.apache.zest.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/apache/zest/api/query/grammar/ManyAssociationFunction.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/ManyAssociationFunction.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/ManyAssociationFunction.java deleted file mode 100644 index 540a901..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/ManyAssociationFunction.java +++ /dev/null @@ -1,117 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import java.lang.reflect.AccessibleObject; -import java.lang.reflect.Member; -import java.lang.reflect.Proxy; -import org.apache.zest.api.association.AssociationStateHolder; -import org.apache.zest.api.association.ManyAssociation; -import org.apache.zest.api.composite.Composite; -import org.apache.zest.api.composite.CompositeInstance; -import org.apache.zest.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/apache/zest/api/query/grammar/MatchesSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/MatchesSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/MatchesSpecification.java deleted file mode 100644 index 4f54a47..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/MatchesSpecification.java +++ /dev/null @@ -1,93 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import org.apache.zest.api.composite.Composite; -import org.apache.zest.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/apache/zest/api/query/grammar/NamedAssociationContainsNameSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/NamedAssociationContainsNameSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/NamedAssociationContainsNameSpecification.java deleted file mode 100644 index 5af9a51..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/NamedAssociationContainsNameSpecification.java +++ /dev/null @@ -1,65 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import org.apache.zest.api.association.NamedAssociation; -import org.apache.zest.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/apache/zest/api/query/grammar/NamedAssociationContainsSpecification.java ---------------------------------------------------------------------- diff --git a/core/api/src/main/java/org/apache/zest/api/query/grammar/NamedAssociationContainsSpecification.java b/core/api/src/main/java/org/apache/zest/api/query/grammar/NamedAssociationContainsSpecification.java deleted file mode 100644 index e4e4f7b..0000000 --- a/core/api/src/main/java/org/apache/zest/api/query/grammar/NamedAssociationContainsSpecification.java +++ /dev/null @@ -1,65 +0,0 @@ -/* - * 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.apache.zest.api.query.grammar; - -import org.apache.zest.api.association.NamedAssociation; -import org.apache.zest.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; - } -}
