org.apache.hadoop.hbase.quotas.policies.NoInsertsViolationPolicyEnforcement 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 org.apache.yetus.audience.InterfaceAudience;
import org.apache.hadoop.hbase.client.Append;
import org.apache.hadoop.hbase.client.Increment;
import org.apache.hadoop.hbase.client.Mutation;
import org.apache.hadoop.hbase.client.Put;
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 disallows any inserts to the table. The
* enforcement counterpart to {@link SpaceViolationPolicy#NO_INSERTS}.
*/
@InterfaceAudience.Private
public class NoInsertsViolationPolicyEnforcement extends DefaultViolationPolicyEnforcement {
@Override
public void enable() {}
@Override
public void disable() {}
@Override
public void check(Mutation m) throws SpaceLimitingException {
// Disallow all "new" data flowing into HBase, but allow Deletes (even though we know they will
// temporarily increase utilization).
if (m instanceof Append || m instanceof Increment || m instanceof Put) {
throw new SpaceLimitingException(getPolicyName(),
m.getClass().getSimpleName() + "s are disallowed due to a space quota.");
}
}
@Override
public String getPolicyName() {
return SpaceViolationPolicy.NO_INSERTS.name();
}
}