org.apache.hadoop.hive.ql.parse.HiveSemanticAnalyzerHookContext 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.parse;
import java.util.Set;
import org.apache.hadoop.conf.Configurable;
import org.apache.hadoop.hive.ql.hooks.ReadEntity;
import org.apache.hadoop.hive.ql.hooks.WriteEntity;
import org.apache.hadoop.hive.ql.metadata.Hive;
import org.apache.hadoop.hive.ql.metadata.HiveException;
/**
* Context information provided by Hive to implementations of
* HiveSemanticAnalyzerHook.
*/
public interface HiveSemanticAnalyzerHookContext extends Configurable{
/**
* @return the Hive db instance; hook implementations can use this for
* purposes such as getting configuration information or making metastore calls
*/
public Hive getHive() throws HiveException;
/**
* This should be called after the semantic analyzer completes.
* @param sem
*/
public void update(BaseSemanticAnalyzer sem);
/**
* The following methods will only be available to hooks executing postAnalyze. If called in a
* preAnalyze method, they should return null.
* @return the set of read entities
*/
public Set getInputs();
public Set getOutputs();
public String getUserName();
public void setUserName(String userName);
}