Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets 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 io.druid.indexing.common;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Function;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Maps;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multimaps;
import com.google.inject.Provider;
import io.druid.java.util.emitter.service.ServiceEmitter;
import io.druid.java.util.metrics.MonitorScheduler;
import io.druid.client.cache.Cache;
import io.druid.client.cache.CacheConfig;
import io.druid.discovery.DataNodeService;
import io.druid.discovery.DruidNodeAnnouncer;
import io.druid.discovery.LookupNodeService;
import io.druid.indexing.common.actions.SegmentInsertAction;
import io.druid.indexing.common.actions.TaskActionClient;
import io.druid.indexing.common.config.TaskConfig;
import io.druid.query.QueryRunnerFactoryConglomerate;
import io.druid.segment.IndexIO;
import io.druid.segment.IndexMergerV9;
import io.druid.segment.loading.DataSegmentArchiver;
import io.druid.segment.loading.DataSegmentKiller;
import io.druid.segment.loading.DataSegmentMover;
import io.druid.segment.loading.DataSegmentPusher;
import io.druid.segment.loading.SegmentLoader;
import io.druid.segment.loading.SegmentLoadingException;
import io.druid.segment.realtime.plumber.SegmentHandoffNotifierFactory;
import io.druid.server.DruidNode;
import io.druid.server.coordination.DataSegmentAnnouncer;
import io.druid.server.coordination.DataSegmentServerAnnouncer;
import io.druid.timeline.DataSegment;
import org.joda.time.Interval;
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutorService;
/**
* Stuff that may be needed by a Task in order to conduct its business.
*/
public class TaskToolbox
{
private final TaskConfig config;
private final TaskActionClient taskActionClient;
private final ServiceEmitter emitter;
private final DataSegmentPusher segmentPusher;
private final DataSegmentKiller dataSegmentKiller;
private final DataSegmentArchiver dataSegmentArchiver;
private final DataSegmentMover dataSegmentMover;
private final DataSegmentAnnouncer segmentAnnouncer;
private final DataSegmentServerAnnouncer serverAnnouncer;
private final SegmentHandoffNotifierFactory handoffNotifierFactory;
/**
* Using Provider, not {@link QueryRunnerFactoryConglomerate} directly, to not require {@link
* io.druid.indexing.overlord.TaskRunner} implementations that create TaskToolboxes to inject query stuff eagerly,
* because it may be unavailable, e. g. for batch tasks running in Spark or Hadoop.
*/
private final Provider queryRunnerFactoryConglomerateProvider;
private final MonitorScheduler monitorScheduler;
private final ExecutorService queryExecutorService;
private final SegmentLoader segmentLoader;
private final ObjectMapper objectMapper;
private final File taskWorkDir;
private final IndexIO indexIO;
private final Cache cache;
private final CacheConfig cacheConfig;
private final IndexMergerV9 indexMergerV9;
private final DruidNodeAnnouncer druidNodeAnnouncer;
private final DruidNode druidNode;
private final LookupNodeService lookupNodeService;
private final DataNodeService dataNodeService;
public TaskToolbox(
TaskConfig config,
TaskActionClient taskActionClient,
ServiceEmitter emitter,
DataSegmentPusher segmentPusher,
DataSegmentKiller dataSegmentKiller,
DataSegmentMover dataSegmentMover,
DataSegmentArchiver dataSegmentArchiver,
DataSegmentAnnouncer segmentAnnouncer,
DataSegmentServerAnnouncer serverAnnouncer,
SegmentHandoffNotifierFactory handoffNotifierFactory,
Provider queryRunnerFactoryConglomerateProvider,
ExecutorService queryExecutorService,
MonitorScheduler monitorScheduler,
SegmentLoader segmentLoader,
ObjectMapper objectMapper,
File taskWorkDir,
IndexIO indexIO,
Cache cache,
CacheConfig cacheConfig,
IndexMergerV9 indexMergerV9,
DruidNodeAnnouncer druidNodeAnnouncer,
DruidNode druidNode,
LookupNodeService lookupNodeService,
DataNodeService dataNodeService
)
{
this.config = config;
this.taskActionClient = taskActionClient;
this.emitter = emitter;
this.segmentPusher = segmentPusher;
this.dataSegmentKiller = dataSegmentKiller;
this.dataSegmentMover = dataSegmentMover;
this.dataSegmentArchiver = dataSegmentArchiver;
this.segmentAnnouncer = segmentAnnouncer;
this.serverAnnouncer = serverAnnouncer;
this.handoffNotifierFactory = handoffNotifierFactory;
this.queryRunnerFactoryConglomerateProvider = queryRunnerFactoryConglomerateProvider;
this.queryExecutorService = queryExecutorService;
this.monitorScheduler = monitorScheduler;
this.segmentLoader = segmentLoader;
this.objectMapper = objectMapper;
this.taskWorkDir = taskWorkDir;
this.indexIO = Preconditions.checkNotNull(indexIO, "Null IndexIO");
this.cache = cache;
this.cacheConfig = cacheConfig;
this.indexMergerV9 = Preconditions.checkNotNull(indexMergerV9, "Null IndexMergerV9");
this.druidNodeAnnouncer = druidNodeAnnouncer;
this.druidNode = druidNode;
this.lookupNodeService = lookupNodeService;
this.dataNodeService = dataNodeService;
}
public TaskConfig getConfig()
{
return config;
}
public TaskActionClient getTaskActionClient()
{
return taskActionClient;
}
public ServiceEmitter getEmitter()
{
return emitter;
}
public DataSegmentPusher getSegmentPusher()
{
return segmentPusher;
}
public DataSegmentKiller getDataSegmentKiller()
{
return dataSegmentKiller;
}
public DataSegmentMover getDataSegmentMover()
{
return dataSegmentMover;
}
public DataSegmentArchiver getDataSegmentArchiver()
{
return dataSegmentArchiver;
}
public DataSegmentAnnouncer getSegmentAnnouncer()
{
return segmentAnnouncer;
}
public DataSegmentServerAnnouncer getDataSegmentServerAnnouncer()
{
return serverAnnouncer;
}
public SegmentHandoffNotifierFactory getSegmentHandoffNotifierFactory()
{
return handoffNotifierFactory;
}
public QueryRunnerFactoryConglomerate getQueryRunnerFactoryConglomerate()
{
return queryRunnerFactoryConglomerateProvider.get();
}
public ExecutorService getQueryExecutorService()
{
return queryExecutorService;
}
public MonitorScheduler getMonitorScheduler()
{
return monitorScheduler;
}
public ObjectMapper getObjectMapper()
{
return objectMapper;
}
public Map fetchSegments(List segments)
throws SegmentLoadingException
{
Map retVal = Maps.newLinkedHashMap();
for (DataSegment segment : segments) {
retVal.put(segment, segmentLoader.getSegmentFiles(segment));
}
return retVal;
}
public void publishSegments(Iterable segments) throws IOException
{
// Request segment pushes for each set
final Multimap segmentMultimap = Multimaps.index(
segments,
new Function()
{
@Override
public Interval apply(DataSegment segment)
{
return segment.getInterval();
}
}
);
for (final Collection segmentCollection : segmentMultimap.asMap().values()) {
getTaskActionClient().submit(new SegmentInsertAction(ImmutableSet.copyOf(segmentCollection)));
}
}
public IndexIO getIndexIO()
{
return indexIO;
}
public Cache getCache()
{
return cache;
}
public CacheConfig getCacheConfig()
{
return cacheConfig;
}
public IndexMergerV9 getIndexMergerV9()
{
return indexMergerV9;
}
public File getFirehoseTemporaryDir()
{
return new File(taskWorkDir, "firehose");
}
public File getMergeDir()
{
return new File(taskWorkDir, "merge");
}
public File getPersistDir()
{
return new File(taskWorkDir, "persist");
}
public DruidNodeAnnouncer getDruidNodeAnnouncer()
{
return druidNodeAnnouncer;
}
public LookupNodeService getLookupNodeService()
{
return lookupNodeService;
}
public DataNodeService getDataNodeService()
{
return dataNodeService;
}
public DruidNode getDruidNode()
{
return druidNode;
}
}
