diffcases.986499.AddColumnFamily.986499_AddColumnFamily_0_s Maven / Gradle / Ivy
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package org.apache.cassandra.db.migration;
import org.apache.avro.Schema;
import org.apache.cassandra.config.CFMetaData;
import org.apache.cassandra.config.ConfigurationException;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.config.KSMetaData;
import org.apache.cassandra.db.Table;
import org.apache.cassandra.db.commitlog.CommitLog;
import org.apache.cassandra.io.SerDeUtils;
import org.apache.cassandra.utils.FBUtilities;
import org.apache.cassandra.utils.UUIDGen;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* 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.
*/
public class AddColumnFamily extends Migration
{
private CFMetaData cfm;
/** Required no-arg constructor */
protected AddColumnFamily() { /* pass */ }
public AddColumnFamily(CFMetaData cfm) throws ConfigurationException, IOException
{
super(UUIDGen.makeType1UUIDFromHost(FBUtilities.getLocalAddress()), DatabaseDescriptor.getDefsVersion());
this.cfm = cfm;
KSMetaData ksm = DatabaseDescriptor.getTableDefinition(cfm.tableName);
if (ksm == null)
throw new ConfigurationException("Keyspace does not already exist.");
else if (ksm.cfMetaData().containsKey(cfm.cfName))
throw new ConfigurationException("CF is already defined in that keyspace.");
else if (!Migration.isLegalName(cfm.cfName))
throw new ConfigurationException("Invalid column family name: " + cfm.cfName);
KSMetaData newKsm = makeNewKeyspaceDefinition(ksm);
rm = Migration.makeDefinitionMutation(newKsm, null, newVersion);
}
private KSMetaData makeNewKeyspaceDefinition(KSMetaData ksm)
{
List newCfs = new ArrayList(ksm.cfMetaData().values());
newCfs.add(cfm);
return new KSMetaData(ksm.name, ksm.strategyClass, ksm.strategyOptions, ksm.replicationFactor, newCfs.toArray(new CFMetaData[newCfs.size()]));
}
public void applyModels() throws IOException
{
KSMetaData ksm = DatabaseDescriptor.getTableDefinition(cfm.tableName);
ksm = makeNewKeyspaceDefinition(ksm);
try
{
CFMetaData.map(cfm);
}
catch (ConfigurationException ex)
{
throw new IOException(ex);
}
Table.open(cfm.tableName); // make sure it's init-ed w/ the old definitions first, since we're going to call initCf on the new one manually
DatabaseDescriptor.setTableDefinition(ksm, newVersion);
if (!clientMode)
Table.open(ksm.name).initCf(cfm.cfId, cfm.cfName);
if (!clientMode)
CommitLog.instance().forceNewSegment();
}
public void subdeflate(org.apache.cassandra.db.migration.avro.Migration mi)
{
org.apache.cassandra.db.migration.avro.AddColumnFamily acf = new org.apache.cassandra.db.migration.avro.AddColumnFamily();
acf.cf = cfm.deflate();
mi.migration = acf;
}
public void subinflate(org.apache.cassandra.db.migration.avro.Migration mi)
{
org.apache.cassandra.db.migration.avro.AddColumnFamily acf = (org.apache.cassandra.db.migration.avro.AddColumnFamily)mi.migration;
cfm = CFMetaData.inflate(acf.cf);
}
}