com.blazebit.persistence.impl.NodeInfo Maven / Gradle / Ivy
/*
* Copyright 2014 - 2020 Blazebit.
*
* 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 com.blazebit.persistence.impl;
import com.blazebit.persistence.parser.expression.Expression;
import com.blazebit.persistence.parser.expression.modifier.ExpressionModifier;
/**
*
* @author Moritz Becker
* @author Christian Beikov
* @since 1.0.0
*/
public class NodeInfo implements ExpressionModifier {
private Expression expression;
public NodeInfo(Expression expression) {
this.expression = expression;
}
public Expression getExpression() {
return expression;
}
public void setExpression(Expression expression) {
this.expression = expression;
}
@Override
public void set(Expression expression) {
this.expression = expression;
}
@Override
public Expression get() {
return expression;
}
@Override
public NodeInfo clone() {
return new NodeInfo(expression);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((expression == null) ? 0 : expression.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
NodeInfo other = (NodeInfo) obj;
if (expression == null) {
if (other.expression != null) {
return false;
}
} else if (!expression.equals(other.expression)) {
return false;
}
return true;
}
}