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A fork of the Apache Cassandra Project ready to embed Elasticsearch.
/*
* 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.cassandra.io.sstable.format;
import com.google.common.base.CharMatcher;
import com.google.common.collect.ImmutableList;
import org.apache.cassandra.config.CFMetaData;
import org.apache.cassandra.db.LegacyLayout;
import org.apache.cassandra.db.RowIndexEntry;
import org.apache.cassandra.db.SerializationHeader;
import org.apache.cassandra.db.compaction.CompactionController;
import org.apache.cassandra.io.sstable.format.big.BigFormat;
import org.apache.cassandra.io.util.FileDataInput;
import java.util.Iterator;
/**
* Provides the accessors to data on disk.
*/
public interface SSTableFormat
{
static boolean enableSSTableDevelopmentTestMode = Boolean.valueOf(System.getProperty("cassandra.test.sstableformatdevelopment","false"));
Version getLatestVersion();
Version getVersion(String version);
SSTableWriter.Factory getWriterFactory();
SSTableReader.Factory getReaderFactory();
RowIndexEntry.IndexSerializer getIndexSerializer(CFMetaData cfm, Version version, SerializationHeader header);
public static enum Type
{
//Used internally to refer to files with no
//format flag in the filename
LEGACY("big", BigFormat.instance),
//The original sstable format
BIG("big", BigFormat.instance);
public final SSTableFormat info;
public final String name;
private Type(String name, SSTableFormat info)
{
//Since format comes right after generation
//we disallow formats with numeric names
assert !CharMatcher.DIGIT.matchesAllOf(name);
this.name = name;
this.info = info;
}
public static Type validate(String name)
{
for (Type valid : Type.values())
{
//This is used internally for old sstables
if (valid == LEGACY)
continue;
if (valid.name.equalsIgnoreCase(name))
return valid;
}
throw new IllegalArgumentException("No Type constant " + name);
}
}
}