org.modeshape.jcr.query.model.LowerCase 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.Set;
import org.modeshape.common.annotation.Immutable;
/**
* A dynamic operand that evaluates to the lower-case representation of the supplied operand, used in a {@link Comparison}
* constraint.
*/
@Immutable
public class LowerCase implements DynamicOperand, javax.jcr.query.qom.LowerCase {
private static final long serialVersionUID = 1L;
private final DynamicOperand operand;
/**
* Create a dynamic operand that evaluates to the lower-case representation of the supplied operand.
*
* @param operand the operand that is to be lower-cased
*/
public LowerCase( DynamicOperand operand ) {
this.operand = operand;
}
@Override
public final DynamicOperand getOperand() {
return operand;
}
/**
* Get the selector symbol upon which this operand applies.
*
* @return the one selector names used by this operand; never null
*/
public SelectorName selectorName() {
return operand.selectorNames().iterator().next();
}
@Override
public Set selectorNames() {
return operand.selectorNames();
}
@Override
public String toString() {
return Visitors.readable(this);
}
@Override
public int hashCode() {
return operand.hashCode();
}
@Override
public boolean equals( Object obj ) {
if (obj == this) return true;
if (obj instanceof LowerCase) {
LowerCase that = (LowerCase)obj;
return this.operand.equals(that.operand);
}
return false;
}
@Override
public void accept( Visitor visitor ) {
visitor.visit(this);
}
}
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