org.modeshape.jcr.query.model.SetCriteria Maven / Gradle / Ivy
/*
* ModeShape (http://www.modeshape.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.modeshape.jcr.query.model;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import org.modeshape.common.annotation.Immutable;
import org.modeshape.common.util.CheckArg;
/**
* A constraint that evaluates to true when the defined operation evaluates to true.
*/
@Immutable
public class SetCriteria implements Constraint, org.modeshape.jcr.api.query.qom.SetCriteria {
private static final long serialVersionUID = 1L;
private final DynamicOperand left;
private final Collection extends StaticOperand> setOperands;
public SetCriteria( DynamicOperand left,
Collection extends StaticOperand> setOperands ) {
CheckArg.isNotNull(left, "left");
CheckArg.isNotNull(setOperands, "setOperands");
CheckArg.isNotEmpty(setOperands, "setOperands");
this.left = left;
this.setOperands = setOperands;
}
public SetCriteria( DynamicOperand left,
StaticOperand... setOperands ) {
CheckArg.isNotNull(left, "left");
CheckArg.isNotNull(setOperands, "setOperands");
CheckArg.isNotEmpty(setOperands, "setOperands");
this.left = left;
this.setOperands = Collections.unmodifiableList(Arrays.asList(setOperands));
}
/**
* Get the dynamic operand to which the set constraint applies
*
* @return the dynamic operand; never null
*/
public final DynamicOperand leftOperand() {
return left;
}
/**
* Get the collection of static operands defining the constrained values.
*
* @return the right-hand-side static operands; never null and never empty
*/
public final Collection extends StaticOperand> rightOperands() {
return setOperands;
}
@Override
public DynamicOperand getOperand() {
return leftOperand();
}
@Override
public Collection extends javax.jcr.query.qom.StaticOperand> getValues() {
return rightOperands();
}
@Override
public String toString() {
return Visitors.readable(this);
}
@Override
public int hashCode() {
return left.hashCode();
}
@Override
public boolean equals( Object obj ) {
if (obj == this) return true;
if (obj instanceof SetCriteria) {
SetCriteria that = (SetCriteria)obj;
if (!this.left.equals(that.left)) return false;
if (!this.setOperands.equals(that.setOperands)) return false;
return true;
}
return false;
}
@Override
public void accept( Visitor visitor ) {
visitor.visit(this);
}
}
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