com.blazebit.persistence.parser.expression.GeneralCaseExpression Maven / Gradle / Ivy
/*
* Copyright 2014 - 2023 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.expression;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author Moritz Becker
* @since 1.0.0
*/
public class GeneralCaseExpression extends AbstractExpression {
protected List whenClauses;
protected Expression defaultExpr;
public GeneralCaseExpression(List whenClauses, Expression defaultExpr) {
this.whenClauses = whenClauses;
this.defaultExpr = defaultExpr;
}
@Override
public GeneralCaseExpression copy(ExpressionCopyContext copyContext) {
int size = whenClauses.size();
List newWhenClauses = new ArrayList(size);
for (int i = 0; i < size; i++) {
newWhenClauses.add(whenClauses.get(i).copy(copyContext));
}
if (defaultExpr == null) {
return new GeneralCaseExpression(whenClauses, null);
} else {
return new GeneralCaseExpression(newWhenClauses, defaultExpr.copy(copyContext));
}
}
public List getWhenClauses() {
return whenClauses;
}
public void setWhenClauses(List whenClauses) {
this.whenClauses = whenClauses;
}
public Expression getDefaultExpr() {
return defaultExpr;
}
public void setDefaultExpr(Expression defaultExpr) {
this.defaultExpr = defaultExpr;
}
@Override
public void accept(Expression.Visitor visitor) {
visitor.visit(this);
}
@Override
public T accept(ResultVisitor visitor) {
return visitor.visit(this);
}
@Override
public int hashCode() {
int hash = 5;
hash = 47 * hash + (this.whenClauses != null ? this.whenClauses.hashCode() : 0);
hash = 47 * hash + (this.defaultExpr != null ? this.defaultExpr.hashCode() : 0);
return hash;
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final GeneralCaseExpression other = (GeneralCaseExpression) obj;
if (this.whenClauses != other.whenClauses && (this.whenClauses == null || !this.whenClauses.equals(other.whenClauses))) {
return false;
}
if (this.defaultExpr != other.defaultExpr && (this.defaultExpr == null || !this.defaultExpr.equals(other.defaultExpr))) {
return false;
}
return true;
}
}