| /* |
| * 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.service; |
| |
| import java.lang.reflect.Method; |
| import java.util.UUID; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.concurrent.ExecutorService; |
| 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.services.Service; |
| import org.apache.ignite.services.ServiceContext; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Service context implementation. |
| */ |
| public class ServiceContextImpl implements ServiceContext { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** Null method. */ |
| private static final Method NULL_METHOD = ServiceContextImpl.class.getMethods()[0]; |
| |
| /** Service name. */ |
| private final String name; |
| |
| /** Execution ID. */ |
| private final UUID execId; |
| |
| /** Cache name. */ |
| private final String cacheName; |
| |
| /** Affinity key. */ |
| @GridToStringInclude |
| private final Object affKey; |
| |
| /** Executor service. */ |
| @GridToStringExclude |
| private final ExecutorService exe; |
| |
| /** Methods reflection cache. */ |
| private final ConcurrentMap<GridServiceMethodReflectKey, Method> mtds = new ConcurrentHashMap<>(); |
| |
| /** Service. */ |
| @GridToStringExclude |
| private volatile Service svc; |
| |
| /** Cancelled flag. */ |
| private volatile boolean isCancelled; |
| |
| /** |
| * @param name Service name. |
| * @param execId Execution ID. |
| * @param cacheName Cache name. |
| * @param affKey Affinity key. |
| * @param exe Executor service. |
| */ |
| ServiceContextImpl(String name, |
| UUID execId, |
| String cacheName, |
| Object affKey, |
| ExecutorService exe) { |
| this.name = name; |
| this.execId = execId; |
| this.cacheName = cacheName; |
| this.affKey = affKey; |
| this.exe = exe; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String name() { |
| return name; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public UUID executionId() { |
| return execId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean isCancelled() { |
| return isCancelled; |
| } |
| |
| /** {@inheritDoc} */ |
| @Nullable @Override public String cacheName() { |
| return cacheName; |
| } |
| |
| /** {@inheritDoc} */ |
| @SuppressWarnings("unchecked") |
| @Nullable @Override public <K> K affinityKey() { |
| return (K)affKey; |
| } |
| |
| /** |
| * @param svc Service instance. |
| */ |
| void service(Service svc) { |
| this.svc = svc; |
| } |
| |
| /** |
| * @return Service instance or {@code null} if service initialization is not finished yet. |
| */ |
| @Nullable Service service() { |
| return svc; |
| } |
| |
| /** |
| * @return Executor service. |
| */ |
| ExecutorService executor() { |
| return exe; |
| } |
| |
| /** |
| * @param key Method key. |
| * @return Method. |
| */ |
| @Nullable Method method(GridServiceMethodReflectKey key) { |
| Method mtd = mtds.get(key); |
| |
| if (mtd == null) { |
| try { |
| mtd = svc.getClass().getMethod(key.methodName(), key.argTypes()); |
| |
| mtd.setAccessible(true); |
| } |
| catch (NoSuchMethodException ignored) { |
| mtd = NULL_METHOD; |
| } |
| |
| mtds.put(key, mtd); |
| } |
| |
| return mtd == NULL_METHOD ? null : mtd; |
| } |
| |
| /** |
| * @param isCancelled Cancelled flag. |
| */ |
| public void setCancelled(boolean isCancelled) { |
| this.isCancelled = isCancelled; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(ServiceContextImpl.class, this); |
| } |
| } |