| /* |
| * 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.visor; |
| |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.UUID; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| |
| /** |
| * Visor tasks argument. |
| */ |
| public class VisorTaskArgument<A> extends VisorDataTransferObject { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** Node IDs task should be mapped to. */ |
| private List<UUID> nodes; |
| |
| /** Task argument. */ |
| private A arg; |
| |
| /** Debug flag. */ |
| private boolean debug; |
| |
| /** |
| * Default constructor. |
| */ |
| public VisorTaskArgument() { |
| // No-op. |
| } |
| |
| /** |
| * Create Visor task argument. |
| * |
| * @param nodes Node IDs task should be mapped to. |
| * @param arg Task argument. |
| * @param debug Debug flag. |
| */ |
| public VisorTaskArgument(Collection<UUID> nodes, A arg, boolean debug) { |
| assert nodes != null; |
| assert !nodes.isEmpty(); |
| |
| this.nodes = toList(nodes); |
| this.arg = arg; |
| this.debug = debug; |
| } |
| |
| /** |
| * Create Visor task argument with nodes, but without actual argument. |
| * |
| * @param nodes Node IDs task should be mapped to. |
| * @param debug Debug flag. |
| */ |
| public VisorTaskArgument(Collection<UUID> nodes, boolean debug) { |
| this(nodes, null, debug); |
| } |
| |
| /** |
| * Create Visor task argument. |
| * |
| * @param node Node ID task should be mapped to. |
| * @param arg Task argument. |
| * @param debug Debug flag. |
| */ |
| public VisorTaskArgument(UUID node, A arg, boolean debug) { |
| this(Collections.singletonList(node), arg, debug); |
| } |
| |
| /** |
| * Create Visor task argument with nodes, but without actual argument. |
| * |
| * @param node Node ID task should be mapped to. |
| * @param debug Debug flag. |
| */ |
| public VisorTaskArgument(UUID node, boolean debug) { |
| this(node, null, debug); |
| } |
| |
| /** |
| * @return Node IDs task should be mapped to. |
| */ |
| public List<UUID> getNodes() { |
| return nodes; |
| } |
| |
| /** |
| * @return Task argument. |
| */ |
| public A getArgument() { |
| return arg; |
| } |
| |
| /** |
| * @return Debug flag. |
| */ |
| public boolean isDebug() { |
| return debug; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void writeExternalData(ObjectOutput out) throws IOException { |
| U.writeCollection(out, nodes); |
| out.writeObject(arg); |
| out.writeBoolean(debug); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void readExternalData(byte protoVer, ObjectInput in) throws IOException, ClassNotFoundException { |
| nodes = U.readList(in); |
| arg = (A)in.readObject(); |
| debug = in.readBoolean(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(VisorTaskArgument.class, this); |
| } |
| } |