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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
*
* Licensed 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 io.fd.honeycomb.benchmark.memory;
import javax.annotation.Nonnull;
import javax.management.openmbean.CompositeDataSupport;
import java.util.Arrays;
import static com.google.common.base.Preconditions.checkArgument;
/**
* Wrapped from data extracted from JMX beans of type Memory
* */
public final class MemoryInfo {
public static final String MEMORY_MBEAN_TYPE = "java.lang:type=Memory";
public static final String HEAP_MEMORY = "HeapMemoryUsage";
public static final String NON_HEAP_MEMORY = "NonHeapMemoryUsage";
public static final String COMMITTED = "committed";
public static final String INIT = "init";
public static final String MAX = "max";
public static final String USED = "used";
private final String memoryInfoTypeName;
private final long committed, init, max, used;
public MemoryInfo(@Nonnull final CompositeDataSupport compositeData, @Nonnull final String memoryInfoTypeName) {
checkArgument(compositeData.getCompositeType().keySet().containsAll(Arrays.asList(COMMITTED, INIT, MAX, USED)),
"Submitted composite data %s does not contains necessary attributes", compositeData);
this.memoryInfoTypeName = memoryInfoTypeName;
this.committed = compositeDataAttributeValue(compositeData.get(COMMITTED));
this.init = compositeDataAttributeValue(compositeData.get(INIT));
this.max = compositeDataAttributeValue(compositeData.get(MAX));
this.used = compositeDataAttributeValue(compositeData.get(USED));
}
public String getMemoryInfoTypeName() {
return memoryInfoTypeName;
}
public long getCommitted() {
return committed;
}
public long getInit() {
return init;
}
public long getMax() {
return max;
}
public long getUsed() {
return used;
}
@Override
public String toString() {
return memoryInfoTypeName + "[" +
"committed=" + committed +
",init=" + init +
",max=" + max +
",used=" + used +
']';
}
private static Long compositeDataAttributeValue(final Object commited) {
checkArgument(commited instanceof Long, "Unsupported memory attribute value %s", commited.getClass());
return Long.class.cast(commited);
}
}
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