/*
* Copyright 1999-2017 Alibaba Group Holding Ltd.
*
* 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.alibaba.druid.sql.dialect.postgresql.ast.expr;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.SQLExprImpl;
import com.alibaba.druid.sql.ast.expr.SQLLiteralExpr;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGASTVisitor;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
/**
* Created by tianzhen.wtz on 2014/12/29 0029 16:10.
* 类说明:
*/
public class PGIntervalExpr extends SQLExprImpl implements SQLLiteralExpr,PGExpr{
private SQLExpr value;
public SQLExpr getValue() {
return value;
}
public void setValue(SQLExpr value) {
this.value = value;
}
@Override
public void accept0(PGASTVisitor visitor) {
visitor.visit(this);
visitor.endVisit(this);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PGIntervalExpr that = (PGIntervalExpr) o;
if (value != null ? !value.equals(that.value) : that.value != null) return false;
return true;
}
@Override
public int hashCode() {
return value != null ? value.hashCode() : 0;
}
@Override
protected void accept0(SQLASTVisitor visitor) {
this.accept0((PGASTVisitor) visitor);
}
}