X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2Fjmx%2Fmbeans%2Fshard%2FOnDemandShardStateCache.java;fp=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2Fjmx%2Fmbeans%2Fshard%2FOnDemandShardStateCache.java;h=0000000000000000000000000000000000000000;hp=a830c799c87dba55f2235037412702a322af3069;hb=817d0efe25becd8d457550b11bf985298e169954;hpb=1413d39efa41e0b3926e400dbd7ef5e3fac694c2 diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/jmx/mbeans/shard/OnDemandShardStateCache.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/jmx/mbeans/shard/OnDemandShardStateCache.java deleted file mode 100644 index a830c799c8..0000000000 --- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/jmx/mbeans/shard/OnDemandShardStateCache.java +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Copyright (c) 2017 Inocybe Technologies and others. All rights reserved. - * - * This program and the accompanying materials are made available under the - * terms of the Eclipse Public License v1.0 which accompanies this distribution, - * and is available at http://www.eclipse.org/legal/epl-v10.html - */ -package org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard; - -import static java.util.Objects.requireNonNull; - -import akka.actor.ActorRef; -import akka.pattern.Patterns; -import akka.util.Timeout; -import com.google.common.base.Stopwatch; -import com.google.common.cache.Cache; -import com.google.common.cache.CacheBuilder; -import java.util.concurrent.TimeUnit; -import org.opendaylight.controller.cluster.datastore.messages.OnDemandShardState; -import org.opendaylight.controller.cluster.raft.client.messages.GetOnDemandRaftState; -import scala.concurrent.Await; - -/** - * Maintains a short-lived shared cache of OnDemandShardState. - * - * @author Thomas Pantelis - */ -class OnDemandShardStateCache { - private static final Cache ONDEMAND_SHARD_STATE_CACHE = - CacheBuilder.newBuilder().expireAfterWrite(2, TimeUnit.SECONDS).build(); - - private final ActorRef shardActor; - private final String shardName; - private volatile String stateRetrievalTime; - - OnDemandShardStateCache(final String shardName, final ActorRef shardActor) { - this.shardName = requireNonNull(shardName); - this.shardActor = shardActor; - } - - OnDemandShardState get() throws Exception { - if (shardActor == null) { - return OnDemandShardState.newBuilder().build(); - } - - return ONDEMAND_SHARD_STATE_CACHE.get(shardName, this::retrieveState); - } - - String getStatRetrievaelTime() { - return stateRetrievalTime; - } - - private OnDemandShardState retrieveState() throws Exception { - stateRetrievalTime = null; - Timeout timeout = new Timeout(10, TimeUnit.SECONDS); - Stopwatch timer = Stopwatch.createStarted(); - - OnDemandShardState state = (OnDemandShardState) Await.result(Patterns.ask(shardActor, - GetOnDemandRaftState.INSTANCE, timeout), timeout.duration()); - - stateRetrievalTime = timer.stop().toString(); - return state; - } -}