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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.db.compaction;
import javax.management.openmbean.*;
import java.util.Map;
import java.util.UUID;
import com.google.common.base.Throwables;
import org.apache.cassandra.cql3.UntypedResultSet;
import org.apache.cassandra.db.marshal.Int32Type;
import org.apache.cassandra.db.marshal.LongType;
import org.apache.cassandra.utils.FBUtilities;
public class CompactionHistoryTabularData
{
private static final String[] ITEM_NAMES = new String[]{ "id", "keyspace_name", "columnfamily_name", "compacted_at",
"bytes_in", "bytes_out", "rows_merged" };
private static final String[] ITEM_DESCS = new String[]{ "time uuid", "keyspace name",
"column family name", "compaction finished at",
"total bytes in", "total bytes out", "total rows merged" };
private static final String TYPE_NAME = "CompactionHistory";
private static final String ROW_DESC = "CompactionHistory";
private static final OpenType[] ITEM_TYPES;
private static final CompositeType COMPOSITE_TYPE;
private static final TabularType TABULAR_TYPE;
static {
try
{
ITEM_TYPES = new OpenType[]{ SimpleType.STRING, SimpleType.STRING, SimpleType.STRING, SimpleType.LONG,
SimpleType.LONG, SimpleType.LONG, SimpleType.STRING };
COMPOSITE_TYPE = new CompositeType(TYPE_NAME, ROW_DESC, ITEM_NAMES, ITEM_DESCS, ITEM_TYPES);
TABULAR_TYPE = new TabularType(TYPE_NAME, ROW_DESC, COMPOSITE_TYPE, ITEM_NAMES);
}
catch (OpenDataException e)
{
throw Throwables.propagate(e);
}
}
public static TabularData from(UntypedResultSet resultSet) throws OpenDataException
{
TabularDataSupport result = new TabularDataSupport(TABULAR_TYPE);
for (UntypedResultSet.Row row : resultSet)
{
UUID id = row.getUUID(ITEM_NAMES[0]);
String ksName = row.getString(ITEM_NAMES[1]);
String cfName = row.getString(ITEM_NAMES[2]);
long compactedAt = row.getLong(ITEM_NAMES[3]);
long bytesIn = row.getLong(ITEM_NAMES[4]);
long bytesOut = row.getLong(ITEM_NAMES[5]);
Map rowMerged = row.getMap(ITEM_NAMES[6], Int32Type.instance, LongType.instance);
result.put(new CompositeDataSupport(COMPOSITE_TYPE, ITEM_NAMES,
new Object[]{ id.toString(), ksName, cfName, compactedAt, bytesIn, bytesOut,
"{" + FBUtilities.toString(rowMerged) + "}" }));
}
return result;
}
}