/**
* 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.hooks;
import java.io.Serializable;
import org.apache.hadoop.hive.ql.metadata.Partition;
import org.apache.hadoop.hive.ql.metadata.Table;
/**
* This class encapsulates the information on the partition and tables that are
* read by the query.
*/
public class ReadEntity extends Entity implements Serializable {
/**
* For serialization only.
*/
public ReadEntity() {
super();
}
/**
* Constructor.
*
* @param t
* The Table that the query reads from.
*/
public ReadEntity(Table t) {
super(t);
}
/**
* Constructor given a partiton.
*
* @param p
* The partition that the query reads from.
*/
public ReadEntity(Partition p) {
super(p);
}
/**
* Equals function.
*/
@Override
public boolean equals(Object o) {
if (o == null) {
return false;
}
if (o instanceof ReadEntity) {
ReadEntity ore = (ReadEntity) o;
return (toString().equalsIgnoreCase(ore.toString()));
} else {
return false;
}
}
}