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/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* 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. See accompanying
* LICENSE file.
*/
package com.gemstone.gemfire.management.internal.beans;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.concurrent.ConcurrentHashMap;
import javax.management.ObjectName;
import com.gemstone.gemfire.cache.DataPolicy;
import com.gemstone.gemfire.cache.Region;
import com.gemstone.gemfire.management.DistributedRegionMXBean;
import com.gemstone.gemfire.management.EvictionAttributesData;
import com.gemstone.gemfire.management.FixedPartitionAttributesData;
import com.gemstone.gemfire.management.MembershipAttributesData;
import com.gemstone.gemfire.management.PartitionAttributesData;
import com.gemstone.gemfire.management.RegionAttributesData;
import com.gemstone.gemfire.management.RegionMXBean;
import com.gemstone.gemfire.management.internal.FederationComponent;
import com.gemstone.gemfire.management.internal.ManagementConstants;
import com.gemstone.gemfire.management.internal.beans.stats.RegionClusterStatsMonitor;
/**
* Bridge to collect data from all the proxies from a named region.
* MBeanAggregator will create this bridge and inject it into a
* DistributedRegionMBean
*
* @author rishim
*
*/
public class DistributedRegionBridge {
/**
* Map of RegionMXBean proxies
*/
private Map mapOfProxy;
/**
* set size of this proxy set
*/
private volatile int setSize;
/**
* Eviction attributes
*/
private EvictionAttributesData evictionAttributesData;
/**
* Membership attributes
*/
private MembershipAttributesData membershipAttributesData;
/**
* Partition Attributes
*/
private PartitionAttributesData partitionAttributesData;
/**
* Region Attributes
*/
private RegionAttributesData regionAttributesData;
/**
* Array of fixed partition attributes
*/
private FixedPartitionAttributesData[] fixedPartitionAttributesTable;
private RegionClusterStatsMonitor monitor;
private boolean isPartitionedRegion = false;
/**
* Public constructor.
*
* @param objectName
* Name of the MBean
* @param proxy
* reference to the actual proxy
*/
public DistributedRegionBridge(ObjectName objectName, RegionMXBean proxy,
FederationComponent newState) {
this.mapOfProxy = new ConcurrentHashMap();
this.monitor = new RegionClusterStatsMonitor();
addProxyToMap(objectName, proxy, newState);
}
/**
* Adds a proxy to the Proxy set
*
* @param objectName
* name of the MBean
* @param proxy
* reference to the actual proxy
*/
public void addProxyToMap(ObjectName objectName, RegionMXBean proxy, FederationComponent newState) {
mapOfProxy.put(objectName, proxy);
setSize = mapOfProxy.keySet().size();
updateRegion(newState, null);
}
/**
* Removes proxy from the proxy set
*
* @param objectName
* name of the MBean
* @param proxy
* reference to the actual proxy
* @return true if this DistributedRegion's proxy set is empty
*/
public boolean removeProxyFromMap(ObjectName objectName, RegionMXBean proxy, FederationComponent oldState) {
mapOfProxy.remove(objectName);
setSize = mapOfProxy.keySet().size();
if (setSize == 0) {
return true;
}
updateRegion(null, oldState);
return false;
}
public void updateRegion(FederationComponent newState,
FederationComponent oldState) {
monitor.aggregate(newState, oldState);
}
/**
*
* @return Eviction Attributes of the Region
*/
public EvictionAttributesData getEvictionAttributes() {
if (this.evictionAttributesData == null) {
Iterator it = mapOfProxy.values().iterator();
if (it != null) {
while (it.hasNext()) {
try{
this.evictionAttributesData = it.next().listEvictionAttributes();
}catch(Exception e){
this.evictionAttributesData = null;
}
if(evictionAttributesData != null){
break;
}
}
}
}
return evictionAttributesData;
}
/**
*
* @return fixed partition attributes of a partition region if its fixed
* partitioned
*/
public FixedPartitionAttributesData[] getFixedPartitionAttributesData() {
if (this.fixedPartitionAttributesTable == null) {
Iterator it = mapOfProxy.values().iterator();
if (it != null) {
while (it.hasNext()) {
try {
this.fixedPartitionAttributesTable = it.next()
.listFixedPartitionAttributes();
} catch (Exception e) {
this.fixedPartitionAttributesTable = null;
}
if (fixedPartitionAttributesTable != null) {
break;
}
}
}
}
return fixedPartitionAttributesTable;
}
/**
*
* @return number of members where this region is present
*/
public int getMemberCount() {
return setSize;
}
/**
* @return set of member ids on which this region is present.
*/
public String[] getMembers() {
Iterator it = mapOfProxy.keySet().iterator();
if (it != null) {
List memberList = new ArrayList();
while (it.hasNext()) {
ObjectName tempObjName = it.next();
String formatedMemberId = (String) tempObjName.getKeyProperty("member");
memberList.add(formatedMemberId);
}
String[] members = new String[memberList.size()];
return memberList.toArray(members);
}
return ManagementConstants.NO_DATA_STRING;
}
/**
*
* @return membership attributes
*/
public MembershipAttributesData getMembershipAttributes() {
if (this.membershipAttributesData == null) {
Iterator it = mapOfProxy.values().iterator();
if (it != null) {
while (it.hasNext()) {
try{
this.membershipAttributesData = it.next().listMembershipAttributes();
}catch(Exception e){
this.membershipAttributesData = null;
}
if(membershipAttributesData != null){
break;
}
}
}
}
return membershipAttributesData;
}
/**
*
* @return name of the Region
*/
public String getName() {
return monitor.getName();
}
/**
*
* @return parent region name
*/
public String getParentRegion() {
return monitor.getParentRegion();
}
/**
* Lists the sub regions of the GemFire {@link Region} represented by this
* {@link DistributedRegionMXBean}. If recursive is
* true, will return sub-regions by traversing recursively.
*
* @param recursive
* if true, recursively traverses to find sub regions.
* @return String array of sub region paths
*/
public String[] listSubRegionPaths(boolean recursive) {
String[] subRegionPathsArr = new String[0];
Collection proxies = mapOfProxy.values();
// Need to go through all proxies as different proxies could have different sub-regions
if (proxies != null && !proxies.isEmpty()) {
SortedSet subRegionPaths = new TreeSet();
for (RegionMXBean regionMXBean : proxies) {
String[] listSubRegionPaths = regionMXBean.listSubregionPaths(recursive);
subRegionPaths.addAll(Arrays.asList(listSubRegionPaths)); // Little cosly, but how can it be avoided?
}
subRegionPathsArr = subRegionPaths.toArray(subRegionPathsArr);
}
return subRegionPathsArr;
}
/**
*
* @return partitioned attributes
*/
public PartitionAttributesData getPartitionAttributes() {
if (this.partitionAttributesData == null) {
Iterator it = mapOfProxy.values().iterator();
if (it != null) {
while (it.hasNext()) {
try{
this.partitionAttributesData = it.next().listPartitionAttributes();
}catch(Exception e){
this.partitionAttributesData = null;
}
if(partitionAttributesData != null){
break;
}
}
}
}
return partitionAttributesData;
}
/**
* Region attributes
*
* @return region attributes
*/
public RegionAttributesData getRegionAttributes() {
if (this.regionAttributesData == null) {
Iterator it = mapOfProxy.values().iterator();
if (it != null) {
while (it.hasNext()) {
try{
this.regionAttributesData = it.next().listRegionAttributes();
}catch(Exception e){
this.regionAttributesData = null;
}
if(regionAttributesData != null){
break;
}
}
}
}
return regionAttributesData;
}
/**
*
* @return type of the region
*/
public String getRegionType() {
return monitor.getRegionType();
}
/**
*
* @return full path of the region
*/
public String getFullPath() {
return monitor.getFullPath();
}
/**
*
* @return Avg Latency of cache listener call
*/
public long getCacheListenerCallsAvgLatency() {
return MetricsCalculator.getAverage(monitor
.getCacheListenerCallsAvgLatency(), setSize);
}
/**
*
* @return Avg Latency of cache writer call
*/
public long getCacheWriterCallsAvgLatency() {
return MetricsCalculator.getAverage(monitor
.getCacheWriterCallsAvgLatency(), setSize);
}
/**
*
* @return creates per second for the Regions
*/
public float getCreatesRate() {
return monitor.getCreatesRate();
}
/**
*
* @return destroy per second for the Regions
*/
public float getDestroyRate() {
return monitor.getDestroyRate();
}
/**
*
* @return disk reads rate across disks belonging to Region
*/
public float getDiskReadsRate() {
return monitor.getDiskReadsRate();
}
/**
*
* @return disk writes rate across region
*/
public float getDiskWritesRate() {
return monitor.getDiskWritesRate();
}
/**
*
* @return gets per second for the Regions
*/
public float getGetsRate() {
return monitor.getGetsRate();
}
/**
*
* @return total hit count
*/
public long getHitCount() {
if(isPartionedRegion()){
return ManagementConstants.NOT_AVAILABLE_LONG;
}
return monitor.getHitCount();
}
/**
*
* @return hit to miss ratio
*/
public float getHitRatio() {
if(isPartionedRegion()){
return ManagementConstants.NOT_AVAILABLE_FLOAT;
}
return monitor.getHitRatio();
}
/**
*
* @return returns the last time the region was accessed
*/
public long getLastAccessedTime() {
if(isPartionedRegion()){
return ManagementConstants.NOT_AVAILABLE_LONG;
}
return monitor.getLastAccessedTime();
}
/**
*
* @return last update time of the region
*/
public long getLastModifiedTime() {
if(isPartionedRegion()){
return ManagementConstants.NOT_AVAILABLE_LONG;
}
return monitor.getLastModifiedTime();
}
/**
*
* @return entries destroyed rate in the region through both destroy cache
* operations and eviction.
*/
public float getLruDestroyRate() {
return monitor.getLruDestroyRate();
}
/**
*
* @return entry evictions rate triggered by LRU.
*/
public float getLruEvictionRate() {
return monitor.getLruEvictionRate();
}
/**
*
* @return number of times cache missed on the local region
*/
public long getMissCount() {
if(isPartionedRegion()){
return ManagementConstants.NOT_AVAILABLE_LONG;
}
return monitor.getMissCount();
}
/**
*
* @return putAll per second for the Regions
*/
public float getPutAllRate() {
return monitor.getPutAllRate();
}
/**
*
* @return Partition Region local put rate
*/
public float getPutLocalRate() {
return monitor.getPutLocalRate();
}
/**
*
* @return Average Latency for remote put
*/
public long getPutRemoteAvgLatency() {
return MetricsCalculator.getAverage(monitor
.getPutRemoteAvgLatency(), setSize);
}
/**
*
* @return Latency for last remote put
*/
public long getPutRemoteLatency() {
return MetricsCalculator.getAverage(monitor
.getPutRemoteLatency(), setSize);
}
/**
*
* @return Partition Region remote put rate
*/
public float getPutRemoteRate() {
return monitor.getPutRemoteRate();
}
/**
*
* @return puts per second for the Regions
*/
public float getPutsRate() {
return monitor.getPutsRate();
}
/**
*
* @return number of entries
*/
public long getSystemRegionEntryCount() {
if (isPartionedRegion()) {
return monitor.getSystemRegionEntryCount();
}
return monitor.getEntryCount();
}
/**
*
* @return The current number of backups in progress on this disk store
*/
public long getTotalDiskWritesProgress() {
return monitor.getTotalDiskWritesProgress();
}
/**
*
* @return consolidated count of bytes on each disk of the region
*/
public long getTotalBytesOnDisk() {
return monitor.getTotalBytesOnDisk();
}
/**
*
* @return The current number of entries whose value resides in the VM. The
* value may also have been written to disk.
*/
public long getTotalDiskEntriesInVM() {
return monitor.getTotalDiskEntriesInVM();
}
/**
*
* @return The current number of entries whose value is on disk and is not in
* memory. This is true of overflowed entries. It is also true of
* recovered entries that have not yet been faulted in.
*/
public long getTotalEntriesOnlyOnDisk() {
return monitor.getTotalEntriesOnlyOnDisk();
}
public int getAvgBucketSize() {
if(!isPartionedRegion()){
return ManagementConstants.NOT_AVAILABLE_INT;
}
return MetricsCalculator.getAverage(monitor
.getAvgBucketSize(), setSize);
}
public int getBucketCount() {
if(!isPartionedRegion()){
return ManagementConstants.NOT_AVAILABLE_INT;
}
return monitor.getBucketCount();
}
public int getNumBucketsWithoutRedundancy() {
if(!isPartionedRegion()){
return ManagementConstants.NOT_AVAILABLE_INT;
}
return monitor.getNumBucketsWithoutRedundancy();
}
public int getPrimaryBucketCount() {
if(!isPartionedRegion()){
return ManagementConstants.NOT_AVAILABLE_INT;
}
return monitor.getPrimaryBucketCount();
}
public int getTotalBucketSize() {
if(!isPartionedRegion()){
return ManagementConstants.NOT_AVAILABLE_INT;
}
return monitor.getTotalBucketSize();
}
public long getDiskTaskWaiting() {
return monitor.getDiskTaskWaiting();
}
public long getDiskUsage() {
return monitor.getDiskUsage();
}
public float getAverageReads() {
return monitor.getAverageReads();
}
public float getAverageWrites() {
return monitor.getAverageWrites();
}
public boolean isGatewayEnabled() {
return monitor.isGatewayEnabled();
}
public boolean isPersistentEnabled() {
return monitor.isPersistentEnabled();
}
public int getEmptyNodes() {
Iterator it = mapOfProxy.values().iterator();
int emptyNodes = 0;
if (it != null) {
while (it.hasNext()) {
RegionMXBean bean = it.next();
if (bean.getRegionType().equals(DataPolicy.EMPTY.toString())) {
emptyNodes++;
}
if (bean.getLocalMaxMemory() == 0) {
emptyNodes++;
}
}
}
return emptyNodes;
}
public long getEntrySize() {
return monitor.getEntrySize();
}
private boolean isPartionedRegion(){
if(getPartitionAttributes() != null){
return true;
}else{
return false;
}
}
public long getEstimatedSizeForHDFSRegion() {
return monitor.getEstimatedSizeForHDFSRegion();
}
}