/**
* Copyright 2008 The Apache Software Foundation
*
* 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;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.RemoteExceptionHandler;
import org.apache.hadoop.hbase.TableNotDisabledException;
import org.apache.hadoop.hbase.regionserver.HRegion;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.ipc.HRegionInterface;
/**
* Instantiated to delete a table. Table must be offline.
*/
class TableDelete extends TableOperation {
private final Log LOG = LogFactory.getLog(this.getClass());
TableDelete(final HMaster master, final byte [] tableName) throws IOException {
super(master, tableName);
}
@Override
protected void processScanItem(
@SuppressWarnings("unused") String serverName,
@SuppressWarnings("unused") long startCode,
final HRegionInfo info) throws IOException {
if (isEnabled(info)) {
throw new TableNotDisabledException(tableName);
}
}
@Override
protected void postProcessMeta(MetaRegion m, HRegionInterface server)
throws IOException {
for (HRegionInfo i: unservedRegions) {
// Delete the region
try {
HRegion.removeRegionFromMETA(server, m.getRegionName(), i.getRegionName());
HRegion.deleteRegion(this.master.fs, this.master.rootdir, i);
} catch (IOException e) {
LOG.error("failed to delete region " + i.getRegionName(),
RemoteExceptionHandler.checkIOException(e));
}
}
// delete the table's folder from fs.
master.fs.delete(new Path(master.rootdir, tableName.toString()), true);
}
}