| /* |
| * 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.Collection; |
| import java.util.Collections; |
| import java.util.UUID; |
| import org.apache.ignite.internal.managers.discovery.DiscoCache; |
| import org.apache.ignite.internal.managers.discovery.DiscoveryCustomMessage; |
| import org.apache.ignite.internal.managers.discovery.GridDiscoveryManager; |
| import org.apache.ignite.internal.processors.affinity.AffinityTopologyVersion; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.lang.IgniteUuid; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Cache statistics mode change discovery message. |
| */ |
| public class CacheStatisticsModeChangeMessage implements DiscoveryCustomMessage { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** Initial message flag mask. */ |
| private static final byte INITIAL_MSG_MASK = 0x01; |
| |
| /** Statistics enabled flag mask. */ |
| private static final byte ENABLED_MASK = 0x02; |
| |
| /** Custom message ID. */ |
| private final IgniteUuid id = IgniteUuid.randomUuid(); |
| |
| /** Request id. */ |
| private final UUID reqId; |
| |
| /** Cache names. */ |
| private final Collection<String> caches; |
| |
| /** Flags. */ |
| private final byte flags; |
| |
| /** |
| * Constructor for response. |
| * |
| * @param req Request message. |
| */ |
| private CacheStatisticsModeChangeMessage(CacheStatisticsModeChangeMessage req) { |
| reqId = req.reqId; |
| caches = null; |
| |
| if (req.enabled()) |
| flags = ENABLED_MASK; |
| else |
| flags = 0; |
| } |
| |
| /** |
| * Constructor for request. |
| * |
| * @param caches Collection of cache names. |
| */ |
| public CacheStatisticsModeChangeMessage(UUID reqId, Collection<String> caches, boolean enabled) { |
| this.reqId = reqId; |
| this.caches = Collections.unmodifiableCollection(caches); |
| |
| byte flags = INITIAL_MSG_MASK; |
| |
| if (enabled) |
| flags |= ENABLED_MASK; |
| |
| this.flags = flags; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgniteUuid id() { |
| return id; |
| } |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public DiscoveryCustomMessage ackMessage() { |
| return initial() ? new CacheStatisticsModeChangeMessage(this) : null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isMutable() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public DiscoCache createDiscoCache(GridDiscoveryManager mgr, AffinityTopologyVersion topVer, |
| DiscoCache discoCache) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * @return Cache names. |
| */ |
| public Collection<String> caches() { |
| return Collections.unmodifiableCollection(caches); |
| } |
| |
| /** |
| * Initial message flag. |
| */ |
| public boolean initial() { |
| return (flags & INITIAL_MSG_MASK) != 0; |
| } |
| |
| /** |
| * @return Statistic enabled. |
| */ |
| public boolean enabled() { |
| return (flags & ENABLED_MASK) != 0; |
| } |
| |
| /** |
| * @return Request id. |
| */ |
| public UUID requestId() { |
| return reqId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(CacheStatisticsModeChangeMessage.class, this); |
| } |
| } |