org.apache.hadoop.hive.ql.plan.ExprNodeDynamicValueDesc Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.hive.ql.plan;
import java.io.Serializable;
/**
* This expression represents a value that will be available at runtime.
*
*/
public class ExprNodeDynamicValueDesc extends ExprNodeDesc implements Serializable {
private static final long serialVersionUID = 1L;
protected DynamicValue dynamicValue;
public ExprNodeDynamicValueDesc() {
}
public ExprNodeDynamicValueDesc(DynamicValue value) {
super(value.getTypeInfo());
this.dynamicValue = value;
}
@Override
public ExprNodeDesc clone() {
return new ExprNodeDynamicValueDesc(dynamicValue);
}
@Override
public boolean isSame(Object o) {
if (o instanceof ExprNodeDynamicValueDesc) {
Object otherValue = ((ExprNodeDynamicValueDesc) o).getDynamicValue();
if (dynamicValue == null) {
return otherValue == null;
}
return dynamicValue.equals(otherValue);
}
return false;
}
public DynamicValue getDynamicValue() {
return dynamicValue;
}
public void setValue(DynamicValue value) {
this.dynamicValue = value;
}
@Override
public String getExprString() {
return dynamicValue != null ? dynamicValue.toString() : "null dynamic literal";
}
@Override
public String toString() {
return dynamicValue != null ? dynamicValue.toString() : "null dynamic literal";
}
}