Added:
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/OrderImpl.java
URL:
http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/OrderImpl.java?rev=771948&view=auto
==============================================================================
---
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/OrderImpl.java
(added)
+++
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/OrderImpl.java
Tue May 5 18:03:31 2009
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+/*
+ * 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.openjpa.persistence.criteria;
+
+import javax.persistence.criteria.Expression;
+import javax.persistence.criteria.Order;
+
+/**
+ * Ordering clause of a criteria query.
+ *
+ * @author Pinaki Poddar
+ *
+ */
+public class OrderImpl implements Order {
+ private boolean _ascending;
+ private final Expression<?> e;
+
+ public OrderImpl(Expression<?> e, boolean asc) {
+ this.e = e;
+ _ascending = asc;
+ }
+
+ public OrderImpl(Expression<?> e) {
+ this(e, true);
+ }
+
+ public <T extends Comparable<T>> Expression<T> getExpression() {
+ return (Expression<T>)e;
+ }
+
+ public boolean isAscending() {
+ return _ascending;
+ }
+
+ public void reverse() {
+ _ascending = !_ascending;
+ }
+}
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Added:
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/ParameterImpl.java
URL:
http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/ParameterImpl.java?rev=771948&view=auto
==============================================================================
---
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/ParameterImpl.java
(added)
+++
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/ParameterImpl.java
Tue May 5 18:03:31 2009
@@ -0,0 +1,51 @@
+/*
+ * 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.openjpa.persistence.criteria;
+
+import javax.persistence.Parameter;
+
+/**
+ * Parameter of a criteria query.
+ *
+ * @author Pinaki Poddar
+ *
+ * @param <T> the type of value held by this parameter.
+ */
+public class ParameterImpl<T> extends ExpressionImpl<T> implements
Parameter<T>{
+ private String name;
+ private int position;
+
+ public ParameterImpl(Class<T> cls) {
+ super(cls);
+ }
+
+ public final String getName() {
+ return name;
+ }
+
+ public final ParameterImpl<T> setName(String name) {
+ this.name = name;
+ return this;
+ }
+
+ public final Integer getPosition() {
+ return position;
+ }
+
+}
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Added:
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/PathImpl.java
URL:
http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/PathImpl.java?rev=771948&view=auto
==============================================================================
---
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/PathImpl.java
(added)
+++
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/PathImpl.java
Tue May 5 18:03:31 2009
@@ -0,0 +1,114 @@
+/*
+ * 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.openjpa.persistence.criteria;
+
+import javax.persistence.criteria.Expression;
+import javax.persistence.criteria.Path;
+import javax.persistence.metamodel.AbstractCollection;
+import javax.persistence.metamodel.Attribute;
+import javax.persistence.metamodel.Bindable;
+import javax.persistence.metamodel.Map;
+
+import org.apache.openjpa.kernel.exps.ExpressionFactory;
+import org.apache.openjpa.kernel.exps.Value;
+import org.apache.openjpa.persistence.meta.Members;
+import org.apache.openjpa.persistence.meta.MetamodelImpl;
+
+/**
+ * Path from another (parent) path.
+ *
+ * @author ppoddar
+ *
+ * @param <X>
+ */
+public class PathImpl<X> extends ExpressionImpl<X> implements Path<X> {
+ private PathImpl<?> _parent;
+ private Members.Member<?,X> member;
+
+ /**
+ *
+ * @param cls
+ */
+ protected PathImpl(Class<X> cls) {
+ super(cls);
+ }
+
+ public <Z> PathImpl(Members.Member<Z, X> member) {
+ super(member.getMemberJavaType());
+ this.member = member;
+ }
+
+ public <Z> PathImpl(PathImpl<Z> parent,
+ Members.Member<? super Z, X> member) {
+ super(member.getMemberJavaType());
+ _parent = parent;
+ this.member = member;
+ }
+
+ @Override
+ public Value toValue(ExpressionFactory factory, MetamodelImpl model) {
+ Value var = null;
+ if (_parent != null) {
+ org.apache.openjpa.kernel.exps.Path path =
+ (org.apache.openjpa.kernel.exps.Path)
+ _parent.toValue(factory, model);
+ path.get(member.fmd, false);
+ var = path;
+ } else {
+ var = factory.newPath();//getJavaType());
+ var.setMetaData(model.repos.getMetaData(getJavaType(), null,
true));
+ }
+ return var;
+ }
+
+ public <Y> Path<Y> get(Attribute<? super X, Y> attr) {
+ return new PathImpl(this, (Members.Member<? super X, Y>)attr);
+ }
+
+ public Expression get(AbstractCollection collection) {
+ // TODO Auto-generated method stub
+ throw new AbstractMethodError();
+ }
+
+ public Expression get(Map collection) {
+ // TODO Auto-generated method stub
+ throw new AbstractMethodError();
+ }
+
+ public Path get(String attName) {
+ // TODO Auto-generated method stub
+ throw new AbstractMethodError();
+ }
+ //TODO: what does this return for a collection key, value? null?
+ public Bindable<X> getModel() {
+ // TODO Auto-generated method stub
+ throw new AbstractMethodError();
+ }
+
+ public Path<?> getParentPath() {
+ return _parent;
+ }
+
+ public Expression<Class<? extends X>> type() {
+ // TODO Auto-generated method stub
+ throw new AbstractMethodError();
+ }
+
+}
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Added:
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/PredicateImpl.java
URL:
http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/PredicateImpl.java?rev=771948&view=auto
==============================================================================
---
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/PredicateImpl.java
(added)
+++
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/PredicateImpl.java
Tue May 5 18:03:31 2009
@@ -0,0 +1,125 @@
+/*
+ * 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.openjpa.persistence.criteria;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.persistence.criteria.Expression;
+import javax.persistence.criteria.Predicate;
+
+import org.apache.openjpa.kernel.exps.ExpressionFactory;
+import org.apache.openjpa.persistence.meta.MetamodelImpl;
+
+public class PredicateImpl extends ExpressionImpl<Boolean>
+ implements Predicate {
+ List<Expression<Boolean>> _exps;
+ BooleanOperator _op;
+ boolean _negated = false;
+
+ protected PredicateImpl() {
+ super(Boolean.class);
+ }
+
+ protected PredicateImpl(BooleanOperator op) {
+ this();
+ _op = op;
+ }
+
+ protected PredicateImpl(BooleanOperator op, Predicate...restrictions) {
+ this(op);
+ for (Predicate p : restrictions)
+ add((PredicateImpl)p);
+ }
+
+ public PredicateImpl add(Expression<Boolean> s) {
+ if (_exps == null)
+ _exps = new ArrayList<Expression<Boolean>>();
+ _exps.add(s);
+ return this;
+ }
+
+ public List<Expression<Boolean>> getExpressions() {
+ return _exps;
+ }
+
+ public BooleanOperator getOperator() {
+ return _op;
+ }
+
+ public boolean isNegated() {
+ return _negated;
+ }
+
+ public PredicateImpl negate() {
+ PredicateImpl not = new PredicateImpl(_op);
+ not._negated = true;
+ not._exps = new ArrayList<Expression<Boolean>>(this._exps);
+ not._op = this._op;
+ return not;
+ }
+
+ @Override
+ org.apache.openjpa.kernel.exps.Expression toKernelExpression(
+ ExpressionFactory factory, MetamodelImpl model) {
+ if (_exps == null || _exps.isEmpty())
+ return factory.emptyExpression();
+ if (_exps.size() == 1)
+ return ((ExpressionImpl<?>)_exps.get(0))
+ .toKernelExpression(factory, model);
+ ExpressionImpl<?> e1 = (ExpressionImpl<?>)_exps.get(0);
+ ExpressionImpl<?> e2 = (ExpressionImpl<?>)_exps.get(1);
+ org.apache.openjpa.kernel.exps.Expression ke1 =
+ e1.toKernelExpression(factory, model);
+ org.apache.openjpa.kernel.exps.Expression ke2 =
+ e2.toKernelExpression(factory, model);
+ org.apache.openjpa.kernel.exps.Expression result =
+ _op == BooleanOperator.AND ?
+ factory.and(ke1,ke2) : factory.or(ke1, ke2);
+
+ for (int i = 2; i < _exps.size(); i++) {
+ ExpressionImpl<?> e = (ExpressionImpl<?>)_exps.get(i);
+ result = factory.and(result,
+ e.toKernelExpression(factory, model));
+ }
+ return _negated ? factory.not(result) : result;
+ }
+
+ public static class And extends PredicateImpl {
+ public And(Expression<Boolean> x, Expression<Boolean> y) {
+ super(BooleanOperator.AND);
+ add(x).add(y);
+ }
+
+ public And(Predicate...restrictions) {
+ super(BooleanOperator.AND, restrictions);
+ }
+ }
+
+ public static class Or extends PredicateImpl {
+ public Or(Expression<Boolean> x, Expression<Boolean> y) {
+ super(BooleanOperator.OR);
+ add(x).add(y);
+ }
+
+ public Or(Predicate...restrictions) {
+ super(BooleanOperator.AND, restrictions);
+ }
+ }
+}
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openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/RootImpl.java
URL:
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==============================================================================
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openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/RootImpl.java
(added)
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openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/RootImpl.java
Tue May 5 18:03:31 2009
@@ -0,0 +1,45 @@
+/*
+ * 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.openjpa.persistence.criteria;
+
+import javax.persistence.criteria.Root;
+import javax.persistence.metamodel.Entity;
+
+import org.apache.openjpa.persistence.criteria.FromImpl;
+
+/**
+ * A path from itself.
+ *
+ * @author Pinaki Poddar
+ *
+ * @param <X>
+ */
+public class RootImpl<X> extends FromImpl<X,X> implements Root<X> {
+ private final Entity<X> _entity;
+
+ public RootImpl(Entity<X> type) {
+ super(type);
+ _entity = type;
+ }
+
+ public Entity<X> getModel() {
+ return _entity;
+ }
+}
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openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/SelectionImpl.java
URL:
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==============================================================================
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openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/SelectionImpl.java
(added)
+++
openjpa/trunk/openjpa-persistence/src/main/java/org/apache/openjpa/persistence/criteria/SelectionImpl.java
Tue May 5 18:03:31 2009
@@ -0,0 +1,38 @@
+/*
+ * 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.openjpa.persistence.criteria;
+
+import javax.persistence.criteria.Selection;
+
+import org.apache.openjpa.persistence.ResultItemImpl;
+
+/**
+ * An item selected in the projection clause of Criteria query.
+ *
+ * @author Pinaki Poddar
+ *
+ * @param <X>
+ */
+public class SelectionImpl<X> extends ResultItemImpl<X>
+ implements Selection<X> {
+
+ public SelectionImpl(Class<X> cls) {
+ super(cls);
+ }
+}
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openjpa/trunk/openjpa-persistence/src/main/resources/META-INF/services/org.apache.openjpa.kernel.exps.ExpressionParser
URL:
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openjpa/trunk/openjpa-persistence/src/main/resources/META-INF/services/org.apache.openjpa.kernel.exps.ExpressionParser
(added)
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openjpa/trunk/openjpa-persistence/src/main/resources/META-INF/services/org.apache.openjpa.kernel.exps.ExpressionParser
Tue May 5 18:03:31 2009
@@ -0,0 +1,17 @@
+# 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.
+org.apache.openjpa.persistence.criteria.CriteriaBuilder
