org.apache.hadoop.hbase.quotas.policies.DisableTableViolationPolicyEnforcement Maven / Gradle / Ivy
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Server 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.quotas.policies;
import java.io.IOException;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.hadoop.hbase.client.Mutation;
import org.apache.hadoop.hbase.quotas.SpaceLimitingException;
import org.apache.hadoop.hbase.quotas.SpaceViolationPolicy;
import org.apache.hadoop.hbase.quotas.SpaceViolationPolicyEnforcement;
/**
* A {@link SpaceViolationPolicyEnforcement} which disables the table. The enforcement counterpart
* to {@link SpaceViolationPolicy#DISABLE}. This violation policy is different from others as it
* doesn't take action (i.e. enable/disable table) local to the RegionServer, like the other
* ViolationPolicies do. In case of violation, the appropriate action is initiated by the master.
*/
@InterfaceAudience.Private
public class DisableTableViolationPolicyEnforcement extends DefaultViolationPolicyEnforcement {
@Override
public void enable() throws IOException {
// do nothing
}
@Override
public void disable() throws IOException {
// do nothing
}
@Override
public void check(Mutation m) throws SpaceLimitingException {
// If this policy is enacted, then the table is (or should be) disabled.
throw new SpaceLimitingException(
getPolicyName(), "This table is disabled due to violating a space quota.");
}
@Override
public String getPolicyName() {
return SpaceViolationPolicy.DISABLE.name();
}
}