scylla-jmx/src/main/java/org/apache/cassandra/streaming/management/StreamSummaryCompositeData.java
2016-10-24 11:43:52 +00:00

78 lines
2.8 KiB
Java

/*
* 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.
*/
/*
* Copyright 2015 ScyllaDB
*
* Modified by ScyllaDB
*/
package org.apache.cassandra.streaming.management;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.CompositeDataSupport;
import javax.management.openmbean.CompositeType;
import javax.management.openmbean.OpenDataException;
import javax.management.openmbean.OpenType;
import javax.management.openmbean.SimpleType;
import org.apache.cassandra.streaming.StreamSummary;
import com.google.common.base.Throwables;
/**
*/
public class StreamSummaryCompositeData {
private static final String[] ITEM_NAMES = new String[] { "cfId", "files", "totalSize" };
private static final String[] ITEM_DESCS = new String[] { "ColumnFamilu ID", "Number of files",
"Total bytes of the files" };
private static final OpenType<?>[] ITEM_TYPES = new OpenType[] { SimpleType.STRING, SimpleType.INTEGER,
SimpleType.LONG };
public static final CompositeType COMPOSITE_TYPE;
static {
try {
COMPOSITE_TYPE = new CompositeType(StreamSummary.class.getName(), "StreamSummary", ITEM_NAMES, ITEM_DESCS,
ITEM_TYPES);
} catch (OpenDataException e) {
throw Throwables.propagate(e);
}
}
public static CompositeData toCompositeData(StreamSummary streamSummary) {
Map<String, Object> valueMap = new HashMap<>();
valueMap.put(ITEM_NAMES[0], streamSummary.cfId.toString());
valueMap.put(ITEM_NAMES[1], streamSummary.files);
valueMap.put(ITEM_NAMES[2], streamSummary.totalSize);
try {
return new CompositeDataSupport(COMPOSITE_TYPE, valueMap);
} catch (OpenDataException e) {
throw Throwables.propagate(e);
}
}
public static StreamSummary fromCompositeData(CompositeData cd) {
Object[] values = cd.getAll(ITEM_NAMES);
return new StreamSummary(UUID.fromString((String) values[0]), (int) values[1], (long) values[2]);
}
}