| /* |
| * 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.ignite.internal.processors.cache; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.UUID; |
| import org.apache.ignite.configuration.CacheConfiguration; |
| import org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion; |
| import org.apache.ignite.internal.util.tostring.GridToStringExclude; |
| import org.apache.ignite.internal.util.tostring.GridToStringInclude; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.lang.IgniteUuid; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * |
| */ |
| public class CacheGroupDescriptor { |
| /** */ |
| private final int grpId; |
| |
| /** */ |
| private final String grpName; |
| |
| /** */ |
| private final AffinityTopologyVersion startTopVer; |
| |
| /** */ |
| private final UUID rcvdFrom; |
| |
| /** */ |
| private final IgniteUuid deploymentId; |
| |
| /** */ |
| @GridToStringExclude |
| private volatile CacheConfiguration<?, ?> cacheCfg; |
| |
| /** */ |
| @GridToStringInclude |
| private Map<String, Integer> caches; |
| |
| /** */ |
| private AffinityTopologyVersion rcvdFromVer; |
| |
| /** Persistence enabled flag. */ |
| private final boolean persistenceEnabled; |
| |
| /** WAL enabled state. */ |
| private volatile boolean walEnabled; |
| |
| /** Pending WAL change requests. */ |
| private final LinkedList<WalStateProposeMessage> walChangeReqs; |
| |
| /** Cache config enrichment. */ |
| private final CacheConfigurationEnrichment cacheCfgEnrichment; |
| |
| /** Is configuration enriched. */ |
| private volatile boolean cacheCfgEnriched; |
| |
| /** |
| * @param cacheCfg Cache configuration. |
| * @param grpName Group name. |
| * @param grpId Group ID. |
| * @param rcvdFrom Node ID cache group received from. |
| * @param startTopVer Start version for dynamically started group. |
| * @param deploymentId Deployment ID. |
| * @param caches Cache group caches. |
| * @param persistenceEnabled Persistence enabled flag. |
| * @param walEnabled Whether WAL is enabled. |
| * @param walChangeReqs Pending WAL change requests. |
| * @param cacheCfgEnrichment Cache configuration enrichment. |
| */ |
| @SuppressWarnings("unchecked") |
| CacheGroupDescriptor( |
| CacheConfiguration cacheCfg, |
| @Nullable String grpName, |
| int grpId, |
| UUID rcvdFrom, |
| @Nullable AffinityTopologyVersion startTopVer, |
| IgniteUuid deploymentId, |
| Map<String, Integer> caches, |
| boolean persistenceEnabled, |
| boolean walEnabled, |
| @Nullable Collection<WalStateProposeMessage> walChangeReqs, |
| CacheConfigurationEnrichment cacheCfgEnrichment |
| ) { |
| assert cacheCfg != null; |
| assert grpId != 0; |
| |
| this.grpName = grpName; |
| this.grpId = grpId; |
| this.rcvdFrom = rcvdFrom; |
| this.startTopVer = startTopVer; |
| this.deploymentId = deploymentId; |
| this.cacheCfg = new CacheConfiguration<>(cacheCfg); |
| this.caches = caches; |
| this.persistenceEnabled = persistenceEnabled; |
| this.walEnabled = walEnabled; |
| this.walChangeReqs = walChangeReqs == null ? new LinkedList<>() : new LinkedList<>(walChangeReqs); |
| this.cacheCfgEnrichment = cacheCfgEnrichment; |
| } |
| |
| /** |
| * @return Node ID group was received from. |
| */ |
| public UUID receivedFrom() { |
| return rcvdFrom; |
| } |
| |
| /** |
| * @return Deployment ID. |
| */ |
| public IgniteUuid deploymentId() { |
| return deploymentId; |
| } |
| |
| /** |
| * @return {@code True} if WAL is enabled for cache group. |
| */ |
| public boolean walEnabled() { |
| return walEnabled; |
| } |
| |
| /** |
| * @param walEnabled {@code True} if WAL is enabled for cache group. |
| */ |
| public void walEnabled(boolean walEnabled) { |
| this.walEnabled = walEnabled; |
| } |
| |
| /** |
| * @return Pending WAL change requests. |
| */ |
| public List<WalStateProposeMessage> walChangeRequests() { |
| return new ArrayList<>(walChangeReqs); |
| } |
| |
| /** |
| * @return {@code True} whether there are pending WAL change requests. |
| */ |
| public boolean hasWalChangeRequests() { |
| return !walChangeReqs.isEmpty(); |
| } |
| |
| /** |
| * @return Next pending WAL change request or {@code null} if none available. |
| */ |
| @Nullable public WalStateProposeMessage nextWalChangeRequest() { |
| return walChangeReqs.isEmpty() ? null : walChangeReqs.getFirst(); |
| } |
| |
| /** |
| * Add pending WAL change request. |
| * |
| * @param msg Message. |
| * @return {@code True} if this is the very first enlisted message. |
| */ |
| public boolean addWalChangeRequest(WalStateProposeMessage msg) { |
| boolean first = !hasWalChangeRequests(); |
| |
| walChangeReqs.addLast(msg); |
| |
| return first; |
| } |
| |
| /** |
| * Remove pending WAL change request. |
| */ |
| public void removeWalChangeRequest() { |
| walChangeReqs.removeFirst(); |
| } |
| |
| /** |
| * @param cacheName Cache name |
| * @param cacheId Cache ID. |
| */ |
| void onCacheAdded(String cacheName, int cacheId) { |
| assert cacheName != null; |
| assert cacheId != 0 : cacheName; |
| |
| Map<String, Integer> caches = new HashMap<>(this.caches); |
| |
| caches.put(cacheName, cacheId); |
| |
| this.caches = caches; |
| } |
| |
| /** |
| * @param cacheName Cache name |
| * @param cacheId Cache ID. |
| */ |
| void onCacheStopped(String cacheName, int cacheId) { |
| assert cacheName != null; |
| assert cacheId != 0; |
| |
| Map<String, Integer> caches = new HashMap<>(this.caches); |
| |
| Integer rmvd = caches.remove(cacheName); |
| |
| assert rmvd != null && rmvd == cacheId : cacheName; |
| |
| this.caches = caches; |
| } |
| |
| /** |
| * @return {@code True} if group contains cache. |
| */ |
| boolean hasCaches() { |
| return caches != null && !caches.isEmpty(); |
| } |
| |
| /** |
| * @return {@code True} if group can contain multiple caches. |
| */ |
| public boolean sharedGroup() { |
| return grpName != null; |
| } |
| |
| /** |
| * @return Group name if it is specified, otherwise cache name. |
| */ |
| public String cacheOrGroupName() { |
| return grpName != null ? grpName : cacheCfg.getName(); |
| } |
| |
| /** |
| * @return Group name or {@code null} if group name was not specified for cache. |
| */ |
| @Nullable public String groupName() { |
| return grpName; |
| } |
| |
| /** |
| * @return Group ID. |
| */ |
| public int groupId() { |
| return grpId; |
| } |
| |
| /** |
| * @return Configuration. |
| */ |
| public CacheConfiguration<?, ?> config() { |
| return cacheCfg; |
| } |
| |
| /** |
| * @param cacheCfg Cache config. |
| */ |
| public void config(CacheConfiguration cacheCfg) { |
| this.cacheCfg = cacheCfg; |
| } |
| |
| /** |
| * @return Group caches. |
| */ |
| public Map<String, Integer> caches() { |
| return caches; |
| } |
| |
| /** |
| * @return Topology version when node provided cache configuration was started. |
| */ |
| @Nullable AffinityTopologyVersion receivedFromStartVersion() { |
| return rcvdFromVer; |
| } |
| |
| /** |
| * @param rcvdFromVer Topology version when node provided cache configuration was started. |
| */ |
| void receivedFromStartVersion(AffinityTopologyVersion rcvdFromVer) { |
| this.rcvdFromVer = rcvdFromVer; |
| } |
| |
| /** |
| * Method to merge this CacheGroup descriptor with another one. |
| * |
| * @param otherDesc CacheGroup descriptor that must be merged with this one. |
| */ |
| void mergeWith(CacheGroupDescriptor otherDesc) { |
| assert otherDesc != null && otherDesc.config() != null : otherDesc; |
| |
| CacheConfiguration otherCfg = otherDesc.config(); |
| |
| cacheCfg.setRebalanceDelay(otherCfg.getRebalanceDelay()); |
| cacheCfg.setRebalanceBatchesPrefetchCount(otherCfg.getRebalanceBatchesPrefetchCount()); |
| cacheCfg.setRebalanceBatchSize(otherCfg.getRebalanceBatchSize()); |
| cacheCfg.setRebalanceOrder(otherCfg.getRebalanceOrder()); |
| cacheCfg.setRebalanceThrottle(otherCfg.getRebalanceThrottle()); |
| cacheCfg.setRebalanceTimeout(otherCfg.getRebalanceTimeout()); |
| } |
| |
| /** |
| * @return Start version for dynamically started group. |
| */ |
| @Nullable public AffinityTopologyVersion startTopologyVersion() { |
| return startTopVer; |
| } |
| |
| /** |
| * @return Persistence enabled flag. |
| */ |
| public boolean persistenceEnabled() { |
| return persistenceEnabled; |
| } |
| |
| /** |
| * @return Cache configuration enrichment. |
| */ |
| public CacheConfigurationEnrichment cacheConfigurationEnrichment() { |
| return cacheCfgEnrichment; |
| } |
| |
| /** |
| * @return {@code True} if cache configuration is already enriched. |
| */ |
| public boolean isConfigurationEnriched() { |
| return cacheCfgEnrichment == null || cacheCfgEnriched; |
| } |
| |
| /** |
| * @param cacheCfgEnriched Is configuration enriched. |
| */ |
| public void configurationEnriched(boolean cacheCfgEnriched) { |
| this.cacheCfgEnriched = cacheCfgEnriched; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(CacheGroupDescriptor.class, this, "cacheName", cacheCfg.getName()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean equals(Object o) { |
| if (this == o) |
| return true; |
| |
| if (o == null || getClass() != o.getClass()) |
| return false; |
| |
| CacheGroupDescriptor that = (CacheGroupDescriptor)o; |
| |
| return grpId == that.grpId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int hashCode() { |
| return Objects.hash(grpId); |
| } |
| } |