com.blazebit.persistence.parser.predicate.UnaryExpressionPredicate 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.parser.predicate;
import com.blazebit.persistence.parser.expression.Expression;
import com.blazebit.persistence.parser.expression.ExpressionCopyContext;
/**
*
* @author Christian Beikov
* @author Moritz Becker
* @since 1.0.0
*/
public abstract class UnaryExpressionPredicate extends AbstractPredicate {
protected Expression expression;
public UnaryExpressionPredicate(Expression expression, boolean negated) {
super(negated);
this.expression = expression;
this.negated = negated;
}
public UnaryExpressionPredicate(Expression expression) {
this(expression, false);
}
@Override
public abstract UnaryExpressionPredicate copy(ExpressionCopyContext copyContext);
public Expression getExpression() {
return expression;
}
public void setExpression(Expression expression) {
this.expression = expression;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof UnaryExpressionPredicate)) {
return false;
}
if (!super.equals(o)) {
return false;
}
UnaryExpressionPredicate that = (UnaryExpressionPredicate) o;
return expression != null ? expression.equals(that.expression) : that.expression == null;
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + (expression != null ? expression.hashCode() : 0);
return result;
}
}