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SnappyData store based off Pivotal GemFireXD
/*
* 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.internal.admin;
import java.util.*;
import com.gemstone.gemfire.cache.*;
import com.gemstone.gemfire.internal.i18n.LocalizedStrings;
/**
* Presents an amalgam snapshot of all the {@linkplain
* com.gemstone.gemfire.cache.Region regions} in a distributed
* system.
*/
public class CompoundRegionSnapshot implements RegionSnapshot {
private static final long serialVersionUID = 6295026394298398004L;
/** The name of the Region */
private String name;
// private String constraintClass;
private long lastModifiedTime = 0L; //the lates modified time
private long lastAccessTime = 0L; //the latest access time
private long numHits = 0L; //sum of all hits
private long numMisses = 0L; //sum of all misses
private float hitRatio = 0f; //calculated from all
private long hitResponders = 0;
private double hitRatioSum = 0.0;
// private int entryCount = 0; //largest entryCount
// private int subregionCount = 0; //largest subregionCount
//private Map individuals = new HashMap();
private Set allCapControllers = new HashSet();
private Set allListeners = new HashSet();
private Set allDataPolicies = new HashSet();
private Set allRegionTtl = new HashSet();
private Set allEntryTtl = new HashSet();
private HashSet allCustomTtl = new HashSet();
private Set allRegionIdleTimeout = new HashSet();
private Set allEntryIdleTimeout = new HashSet();
private HashSet allCustomIdle = new HashSet();
private Set allScopes = new HashSet();
private Set allUserAttributes = new HashSet();
private Set allCacheLoaders = new HashSet();
private Set allCacheWriters = new HashSet();
private Set allLoadFactors = new HashSet();
private Set allInitialCaps = new HashSet();
private Set allConcLevels = new HashSet();
private Set allStatsEnabled = new HashSet();
private Set allKeyConstraints = new HashSet();
private Set allValueConstraints = new HashSet();
/**
* Creates a new CompoundRegionSnapshot for the region
* with the given name.
*/
public CompoundRegionSnapshot(String regionName) {
this.name = regionName;
}
/**
* Amalgamates a RegionSnapshot into this
* CompoundRegionSnapshot.
*
* @param systemEntity
* The member of the distributed system that sent the
* snapshot
* @param snap
* The snapshot to be amalgamated
*
* @throws IllegalArgumentException
* If snap is for a Region other
* than the one amalgamated by this snapshot.
*/
public void addCache(GemFireVM systemEntity, RegionSnapshot snap) {
if (!snap.getName().equals(this.name)) {
throw new IllegalArgumentException(LocalizedStrings.CompoundRegionSnapshot_ALL_SNAPSHOTS_IN_A_COMPOUND_SNAPSHOT_MUST_HAVE_THE_SAME_NAME.toLocalizedString());
}
//individuals.put(systemEntity, snap);
RegionAttributes ra = snap.getAttributes();
if (ra != null) {
CacheListener listener = ra.getCacheListener();
if (listener != null) {
allListeners.add(listener.toString());
}
CacheWriter writer = ra.getCacheWriter();
if (writer != null) {
allCacheWriters.add(writer.toString());
}
CacheLoader loader = ra.getCacheLoader();
if (loader != null) {
allCacheLoaders.add(loader);
}
allDataPolicies.add(ra.getDataPolicy());
allRegionTtl.add(ra.getRegionTimeToLive());
allEntryTtl.add(ra.getEntryTimeToLive());
allCustomTtl.add(ra.getCustomEntryTimeToLive().toString());
allRegionIdleTimeout.add(ra.getRegionIdleTimeout());
allEntryIdleTimeout.add(ra.getEntryIdleTimeout());
allCustomIdle.add(ra.getCustomEntryIdleTimeout().toString());
allScopes.add(ra.getScope());
allLoadFactors.add(new Float(ra.getLoadFactor()));
allInitialCaps.add(Integer.valueOf(ra.getInitialCapacity()));
allConcLevels.add(Integer.valueOf(ra.getConcurrencyLevel()));
allStatsEnabled.add(Boolean.valueOf(ra.getStatisticsEnabled()));
allUserAttributes.add(snap.getUserAttribute());
allKeyConstraints.add(ra.getKeyConstraint());
allValueConstraints.add(ra.getValueConstraint());
// if (constraintClass == null) {
// Class clazz = ra.getKeyConstraint();
// if (clazz != null) {
// constraintClass = clazz.getName();
// }
// }
}
long modified = snap.getLastModifiedTime();
if (modified > 0 && modified > this.lastModifiedTime) {
this.lastModifiedTime = modified;
}
long access = snap.getLastAccessTime();
if (access > 0 && access > this.lastAccessTime) {
this.lastAccessTime = access;
}
long hitCount = snap.getNumberOfHits();
if (hitCount > 0) {
this.numHits += hitCount;
}
long missCount = snap.getNumberOfMisses();
if (missCount > 0) {
this.numMisses += missCount;
}
float hitRatio = snap.getHitRatio();
if (hitRatio >= 0.00) {
hitResponders++;
hitRatioSum += hitRatio;
this.hitRatio = (float)(hitRatioSum/hitResponders);
}
}
/**
* Returns the name of the Region whose information is
* amalgamated in this snapshot.
*/
public Object getName() {
return this.name;
}
/**
* Since a compound snapshot does not have
* RegionAttributes, this method returns
* null.
*/
public RegionAttributes getAttributes() {
return null;
}
/**
* Since a compound snapshot does not have a
* userAttributes, this method returns
* null.
*/
public Object getUserAttribute() {
return null;
}
/**
* Since a compound snapshot does not really represent a
* Region, this method returns false.
*/
public boolean isShared() {
return false;
}
/**
* Returns an {@link java.util.Iterator} of {@link java.lang.String}
*/
public Iterator getAllCapacityControllers() {
return allCapControllers.iterator();
}
/**
* Returns an {@link java.util.Iterator} of {@link java.lang.String}
*/
public Iterator getAllListeners() {
return allListeners.iterator();
}
/**
* Returns an Iterator containing the
* toString of the CacheWriters of each
* instance of this snapshot's region
*/
public Iterator getAllCacheWriters() {
return allCacheWriters.iterator();
}
/**
* Returns an Iterator containing the
* toString of the CacheLoaders of each
* instance of this snapshot's region
*/
public Iterator getAllCacheLoaders() {
return allCacheLoaders.iterator();
}
/**
* Returns an {@link java.util.Iterator} of {@link com.gemstone.gemfire.cache.DataPolicy}
*/
public Iterator getAllDataPolicies() {
return allDataPolicies.iterator();
}
/**
* Returns an {@link java.util.Iterator} of {@link com.gemstone.gemfire.cache.ExpirationAttributes}
*/
public Iterator getAllRegionTtl() {
return allRegionTtl.iterator();
}
/**
* Returns an {@link java.util.Iterator} of {@link com.gemstone.gemfire.cache.ExpirationAttributes}
*/
public Iterator getAllEntryTtl() {
return allEntryTtl.iterator();
}
/**
* Returns an Iterator containing the
* toString of the custom TTL CustomExpiry's of each
* instance of this snapshot's region
*/
public Iterator getAllCustomTtl() {
return allCustomTtl.iterator();
}
/**
* Returns an {@link java.util.Iterator} of {@link com.gemstone.gemfire.cache.ExpirationAttributes}
*/
public Iterator getAllRegionIdleTimeout() {
return allRegionIdleTimeout.iterator();
}
/**
* Returns an {@link java.util.Iterator} of {@link com.gemstone.gemfire.cache.ExpirationAttributes}
*/
public Iterator getAllEntryIdleTimeout() {
return allEntryIdleTimeout.iterator();
}
/**
* Returns an Iterator containing the
* toString of the custom idleTimeout CustomExpiry's of each
* instance of this snapshot's region
*/
public Iterator getAllCustomIdleTimeout() {
return allCustomIdle.iterator();
}
/**
* Returns an {@link java.util.Iterator} of {@link com.gemstone.gemfire.cache.Scope}
*/
public Iterator getAllScopes() {
return allScopes.iterator();
}
/**
* Returns an {@link java.util.Iterator} of float
*/
public Iterator getAllLoadFactors() {
return allLoadFactors.iterator();
}
/**
* Returns an {@link java.util.Iterator} of int
*/
public Iterator getAllInitialCapacities() {
return allInitialCaps.iterator();
}
/**
* Returns an {@link java.util.Iterator} of int
*/
public Iterator getAllConcurrencyLevels() {
return allConcLevels.iterator();
}
/**
* Returns an {@link java.util.Iterator} of Boolean -
* which may be silly
*/
public Iterator getAllStatsEnabled() {
return allStatsEnabled.iterator();
}
/**
* Returns an Iterator of the
* userAttributes (as Objectss) over all
* instances of this snapshot's Region.
*/
public Iterator getAllUserAttributes() {
return allUserAttributes.iterator();
}
/**
* Returns an Iterator of the
* keyConstraints (as Strings) over all
* instances of this snapshot's Region.
*/
public Iterator getAllKeyConstraint() {
return allKeyConstraints.iterator();
}
/**
* Returns an Iterator of the
* valueConstraints (as Strings) over all
* instances of this snapshot's Region.
*/
public Iterator getAllValueConstraint() {
return allValueConstraints.iterator();
}
/**
* Returns the most recent lastModifiedTime of any
* instance of this snapshot's Region across the
* distributed system.
*/
public long getLastModifiedTime() {
return this.lastModifiedTime;
}
/**
* Returns the most recent lastAccessTime of any
* instance of this snapshot's Region across the
* distributed system.
*/
public long getLastAccessTime() {
return this.lastAccessTime;
}
/**
* Returns the cumulative number of hits across all instances of the
* snapshot's Region.
*/
public long getNumberOfHits() {
return this.numHits;
}
/**
* Returns the cumulative number of misses across all instances of
* this snapshot's Region.
*/
public long getNumberOfMisses() {
return this.numMisses;
}
/**
* Returns the aggregate hit ratio across all instances of this
* snapshot's Region.
*/
public float getHitRatio() {
return this.hitRatio;
}
}