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				|  |  | -/*
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				|  |  | - * Licensed to Elasticsearch under one or more contributor
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				|  |  | - * license agreements. See the NOTICE file distributed with
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				|  |  | - * this work for additional information regarding copyright
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				|  |  | - * ownership. Elasticsearch licenses this file to you under
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				|  |  | - * the Apache License, Version 2.0 (the "License"); you may
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				|  |  | - * not use this file except in compliance with the License.
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				|  |  | - * You may obtain a copy of the License at
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				|  |  | - *
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				|  |  | - *    http://www.apache.org/licenses/LICENSE-2.0
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				|  |  | - *
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				|  |  | - * Unless required by applicable law or agreed to in writing,
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				|  |  | - * software distributed under the License is distributed on an
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				|  |  | - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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				|  |  | - * KIND, either express or implied.  See the License for the
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				|  |  | - * specific language governing permissions and limitations
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				|  |  | - * under the License.
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				|  |  | - */
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				|  |  | -
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				|  |  | -package org.elasticsearch.action.admin.cluster.node.restart;
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				|  |  | -
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				|  |  | -import org.elasticsearch.ElasticsearchException;
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				|  |  | -import org.elasticsearch.ElasticsearchIllegalStateException;
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				|  |  | -import org.elasticsearch.action.ActionListener;
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				|  |  | -import org.elasticsearch.action.support.ActionFilters;
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				|  |  | -import org.elasticsearch.action.support.nodes.NodeOperationRequest;
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				|  |  | -import org.elasticsearch.action.support.nodes.TransportNodesOperationAction;
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				|  |  | -import org.elasticsearch.cluster.ClusterName;
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				|  |  | -import org.elasticsearch.cluster.ClusterService;
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				|  |  | -import org.elasticsearch.common.inject.Inject;
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				|  |  | -import org.elasticsearch.common.io.stream.StreamInput;
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				|  |  | -import org.elasticsearch.common.io.stream.StreamOutput;
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				|  |  | -import org.elasticsearch.common.settings.Settings;
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				|  |  | -import org.elasticsearch.common.unit.TimeValue;
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				|  |  | -import org.elasticsearch.node.Node;
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				|  |  | -import org.elasticsearch.threadpool.ThreadPool;
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				|  |  | -import org.elasticsearch.transport.TransportService;
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				|  |  | -
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				|  |  | -import java.io.IOException;
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				|  |  | -import java.util.List;
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				|  |  | -import java.util.concurrent.atomic.AtomicBoolean;
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				|  |  | -import java.util.concurrent.atomic.AtomicReferenceArray;
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				|  |  | -
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				|  |  | -import static com.google.common.collect.Lists.newArrayList;
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				|  |  | -import static org.elasticsearch.common.unit.TimeValue.readTimeValue;
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				|  |  | -
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				|  |  | -/**
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				|  |  | - *
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				|  |  | - */
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				|  |  | -public class TransportNodesRestartAction extends TransportNodesOperationAction<NodesRestartRequest, NodesRestartResponse, TransportNodesRestartAction.NodeRestartRequest, NodesRestartResponse.NodeRestartResponse> {
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				|  |  | -
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				|  |  | -    private final Node node;
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				|  |  | -
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				|  |  | -    private final boolean disabled;
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				|  |  | -
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				|  |  | -    private AtomicBoolean restartRequested = new AtomicBoolean();
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				|  |  | -
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				|  |  | -    @Inject
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				|  |  | -    public TransportNodesRestartAction(Settings settings, ClusterName clusterName, ThreadPool threadPool,
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				|  |  | -                                       ClusterService clusterService, TransportService transportService,
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				|  |  | -                                       Node node, ActionFilters actionFilters) {
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				|  |  | -        super(settings, NodesRestartAction.NAME, clusterName, threadPool, clusterService, transportService, actionFilters);
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				|  |  | -        this.node = node;
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				|  |  | -        disabled = this.settings.getAsBoolean("admin.cluster.node.restart.disabled", false);
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    @Override
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				|  |  | -    protected void doExecute(NodesRestartRequest nodesRestartRequest, ActionListener<NodesRestartResponse> listener) {
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				|  |  | -        listener.onFailure(new ElasticsearchIllegalStateException("restart is disabled (for now) ...."));
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    @Override
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				|  |  | -    protected String executor() {
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				|  |  | -        return ThreadPool.Names.GENERIC;
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    @Override
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				|  |  | -    protected NodesRestartResponse newResponse(NodesRestartRequest nodesShutdownRequest, AtomicReferenceArray responses) {
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				|  |  | -        final List<NodesRestartResponse.NodeRestartResponse> nodeRestartResponses = newArrayList();
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				|  |  | -        for (int i = 0; i < responses.length(); i++) {
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				|  |  | -            Object resp = responses.get(i);
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				|  |  | -            if (resp instanceof NodesRestartResponse.NodeRestartResponse) {
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				|  |  | -                nodeRestartResponses.add((NodesRestartResponse.NodeRestartResponse) resp);
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				|  |  | -            }
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				|  |  | -        }
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				|  |  | -        return new NodesRestartResponse(clusterName, nodeRestartResponses.toArray(new NodesRestartResponse.NodeRestartResponse[nodeRestartResponses.size()]));
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    @Override
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				|  |  | -    protected NodesRestartRequest newRequest() {
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				|  |  | -        return new NodesRestartRequest();
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    @Override
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				|  |  | -    protected NodeRestartRequest newNodeRequest() {
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				|  |  | -        return new NodeRestartRequest();
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    @Override
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				|  |  | -    protected NodeRestartRequest newNodeRequest(String nodeId, NodesRestartRequest request) {
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				|  |  | -        return new NodeRestartRequest(nodeId, request);
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    @Override
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				|  |  | -    protected NodesRestartResponse.NodeRestartResponse newNodeResponse() {
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				|  |  | -        return new NodesRestartResponse.NodeRestartResponse();
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    @Override
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				|  |  | -    protected NodesRestartResponse.NodeRestartResponse nodeOperation(NodeRestartRequest request) throws ElasticsearchException {
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				|  |  | -        if (disabled) {
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				|  |  | -            throw new ElasticsearchIllegalStateException("Restart is disabled");
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				|  |  | -        }
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				|  |  | -        if (!restartRequested.compareAndSet(false, true)) {
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				|  |  | -            return new NodesRestartResponse.NodeRestartResponse(clusterService.localNode());
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				|  |  | -        }
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				|  |  | -        logger.info("Restarting in [{}]", request.delay);
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				|  |  | -        threadPool.schedule(request.delay, ThreadPool.Names.GENERIC, new Runnable() {
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				|  |  | -            @Override
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				|  |  | -            public void run() {
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				|  |  | -                boolean restartWithWrapper = false;
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				|  |  | -                if (System.getProperty("elasticsearch-service") != null) {
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				|  |  | -                    try {
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				|  |  | -                        Class wrapperManager = settings.getClassLoader().loadClass("org.tanukisoftware.wrapper.WrapperManager");
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				|  |  | -                        logger.info("Initiating requested restart (using service)");
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				|  |  | -                        wrapperManager.getMethod("restartAndReturn").invoke(null);
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				|  |  | -                        restartWithWrapper = true;
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				|  |  | -                    } catch (Throwable e) {
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				|  |  | -                        logger.error("failed to initial restart on service wrapper", e);
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				|  |  | -                    }
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				|  |  | -                }
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				|  |  | -                if (!restartWithWrapper) {
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				|  |  | -                    logger.info("Initiating requested restart");
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				|  |  | -                    try {
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				|  |  | -                        node.stop();
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				|  |  | -                        node.start();
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				|  |  | -                    } catch (Exception e) {
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				|  |  | -                        logger.warn("Failed to restart", e);
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				|  |  | -                    } finally {
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				|  |  | -                        restartRequested.set(false);
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				|  |  | -                    }
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				|  |  | -                }
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				|  |  | -            }
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				|  |  | -        });
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				|  |  | -        return new NodesRestartResponse.NodeRestartResponse(clusterService.localNode());
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    @Override
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				|  |  | -    protected boolean accumulateExceptions() {
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				|  |  | -        return false;
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    protected static class NodeRestartRequest extends NodeOperationRequest {
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				|  |  | -
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				|  |  | -        TimeValue delay;
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				|  |  | -
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				|  |  | -        private NodeRestartRequest() {
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        private NodeRestartRequest(String nodeId, NodesRestartRequest request) {
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				|  |  | -            super(request, nodeId);
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				|  |  | -            this.delay = request.delay;
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        @Override
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				|  |  | -        public void readFrom(StreamInput in) throws IOException {
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				|  |  | -            super.readFrom(in);
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				|  |  | -            delay = readTimeValue(in);
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        @Override
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				|  |  | -        public void writeTo(StreamOutput out) throws IOException {
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				|  |  | -            super.writeTo(out);
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				|  |  | -            delay.writeTo(out);
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				|  |  | -        }
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				|  |  | -    }
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				|  |  | -}
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