org.apache.hadoop.hbase.master.normalizer.EmptyNormalizationPlan Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of hbase-server Show documentation
Show all versions of hbase-server Show documentation
Main functionality for HBase
/**
*
* 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.hbase.master.normalizer;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.client.Admin;
/**
* Plan which signifies that no normalization is required,
* or normalization of this table isn't allowed, this is singleton.
*/
@InterfaceAudience.Private
public final class EmptyNormalizationPlan implements NormalizationPlan {
private static final EmptyNormalizationPlan instance = new EmptyNormalizationPlan();
private EmptyNormalizationPlan() {
}
/**
* @return singleton instance
*/
public static EmptyNormalizationPlan getInstance(){
return instance;
}
/**
* No-op for empty plan.
*/
@Override
public void execute(Admin admin) {
}
}