Java FlushRequest類代碼示例

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, final Client client) {
    FlushRequest flushRequest = new FlushRequest(Strings.splitStringByCommaToArray(request.param("index")));
    flushRequest.indicesOptions(IndicesOptions.fromRequest(request, flushRequest.indicesOptions()));
    flushRequest.force(request.paramAsBoolean("force", flushRequest.force()));
    flushRequest.waitIfOngoing(request.paramAsBoolean("wait_if_ongoing", flushRequest.waitIfOngoing()));
    client.admin().indices().flush(flushRequest, new RestBuilderListener<FlushResponse>(channel) {
        @Override
        public RestResponse buildResponse(FlushResponse response, XContentBuilder builder) throws Exception {
            builder.startObject();
            buildBroadcastShardsHeader(builder, request, response);
            builder.endObject();
            return new BytesRestResponse(OK, builder);
        }
    });
}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
public Engine.CommitId flush(FlushRequest request) throws ElasticsearchException {
    boolean waitIfOngoing = request.waitIfOngoing();
    boolean force = request.force();
    if (logger.isTraceEnabled()) {
        logger.trace("flush with {}", request);
    }
    // we allows flush while recovering, since we allow for operations to happen
    // while recovering, and we want to keep the translog at bay (up to deletes, which
    // we don't gc). Yet, we don't use flush internally to clear deletes and flush the indexwriter since
    // we use #writeIndexingBuffer for this now.
    verifyNotClosed();
    Engine engine = getEngine();
    if (engine.isRecovering()) {
        throw new IllegalIndexShardStateException(shardId(), state, "flush is only allowed if the engine is not recovery" +
            " from translog");
    }
    long time = System.nanoTime();
    Engine.CommitId commitId = engine.flush(force, waitIfOngoing);
    flushMetric.inc(System.nanoTime() - time);
    return commitId;

}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
    FlushRequest flushRequest = new FlushRequest(Strings.splitStringByCommaToArray(request.param("index")));
    flushRequest.indicesOptions(IndicesOptions.fromRequest(request, flushRequest.indicesOptions()));
    flushRequest.force(request.paramAsBoolean("force", flushRequest.force()));
    flushRequest.waitIfOngoing(request.paramAsBoolean("wait_if_ongoing", flushRequest.waitIfOngoing()));
    return channel -> client.admin().indices().flush(flushRequest, new RestBuilderListener<FlushResponse>(channel) {
        @Override
        public RestResponse buildResponse(FlushResponse response, XContentBuilder builder) throws Exception {
            builder.startObject();
            buildBroadcastShardsHeader(builder, request, response);
            builder.endObject();
            return new BytesRestResponse(OK, builder);
        }
    });
}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
public Engine.CommitId flush(FlushRequest request) throws ElasticsearchException {
    boolean waitIfOngoing = request.waitIfOngoing();
    boolean force = request.force();
    if (logger.isTraceEnabled()) {
        logger.trace("flush with {}", request);
    }
    // we allows flush while recovering, since we allow for operations to happen
    // while recovering, and we want to keep the translog at bay (up to deletes, which
    // we don't gc).
    verifyStartedOrRecovering();

    long time = System.nanoTime();
    Engine.CommitId commitId = engine().flush(force, waitIfOngoing);
    flushMetric.inc(System.nanoTime() - time);
    return commitId;

}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
@VisibleForTesting void writeDependencyLinks(List<DependencyLink> links, long timestampMillis) {
  long midnight = Util.midnightUTC(timestampMillis);
  TransportClient client = ((NativeClient) storage.client()).client;
  BulkRequestBuilder request = client.prepareBulk();
  for (DependencyLink link : links) {
    request.add(client.prepareIndex(
        storage.indexNameFormatter.indexNameForTimestamp(midnight),
        ElasticsearchConstants.DEPENDENCY_LINK)
        .setId(link.parent + "|" + link.child) // Unique constraint
        .setSource(
            "parent", link.parent,
            "child", link.child,
            "callCount", link.callCount));
  }
  request.execute().actionGet();
  client.admin().indices().flush(new FlushRequest()).actionGet();
}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
private void insertDocuments() throws IOException {
	SimpleInsertAction action = new SimpleInsertAction(new DocumentSenderFactory());
	Properties inputProps = new Properties();
	inputProps.put(CommandPropsConstants.INDEX_OPT, INDEX_NAME);
	inputProps.put(CommandPropsConstants.TYPE_OPT, INDEX_TYPE);
	inputProps.put(InsertProperties.DOCS, String.valueOf(TOTAL_DOCS));
	Properties resourceProps = ResourceUtils.asProperties("default.properties");
	DefaultProperties defaults = new DefaultProperties(inputProps, resourceProps);
	InsertProperties insProperties = new InsertProperties(defaults);

	String workloadAsText = ResourceUtils.asString("workloads/config02.json");
	DocumentFactory<String> factory = action.getFactory(insProperties, new StringReader(workloadAsText));

	DocumentSender sender = new DocumentSenderImpl(client);
	sender.send(factory, insProperties);

	client.admin().indices().flush(new FlushRequest(INDEX_NAME)).actionGet();
}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
@BeforeClass
public void initCluster() throws IOException {
	client = getClient();

	CreateIndexRequest indexRequest = new CreateIndexRequest(INDEX_NAME);
	assertTrue(client.admin().indices().create(indexRequest).actionGet().isAcknowledged());

	String mapping = ResourceUtils.asString("mapping_request.json");
	PutMappingRequestBuilder builder = new PutMappingRequestBuilder(client, PutMappingAction.INSTANCE);
	PutMappingRequest request = builder.setIndices(INDEX_NAME).setType(INDEX_TYPE).setSource(mapping).request();
	assertTrue(client.admin().indices().putMapping(request).actionGet().isAcknowledged());

	String doc01 = ResourceUtils.asString("documents/doc01.json");
	String doc02 = ResourceUtils.asString("documents/doc02.json");
	IndexRequestBuilder indexBuilder = new IndexRequestBuilder(client, IndexAction.INSTANCE, INDEX_NAME).setType(INDEX_TYPE);
	assertTrue(client.index(indexBuilder.setId("1").setSource(doc01).request()).actionGet().isCreated());
	assertTrue(client.index(indexBuilder.setId("2").setSource(doc02).request()).actionGet().isCreated());
	client.admin().indices().flush(new FlushRequest(INDEX_NAME)).actionGet();
	defaultProperties = new DefaultProperties("default.properties");

}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
@BeforeClass
public void initCluster() throws IOException {
	client = getClient();

	CreateIndexRequest indexRequest = new CreateIndexRequest(INDEX_NAME);
	assertTrue(client.admin().indices().create(indexRequest).actionGet().isAcknowledged());
	String mapping = ResourceUtils.asString("mapping_request.json");
	PutMappingRequestBuilder builder = new PutMappingRequestBuilder(client, PutMappingAction.INSTANCE);
	PutMappingRequest request = builder.setIndices(INDEX_NAME).setType(INDEX_TYPE).setSource(mapping).request();
	assertTrue(client.admin().indices().putMapping(request).actionGet().isAcknowledged());

	String doc01 = ResourceUtils.asString("documents/doc01.json");
	String doc02 = ResourceUtils.asString("documents/doc02.json");
	IndexRequestBuilder indexBuilder = new IndexRequestBuilder(client, IndexAction.INSTANCE, INDEX_NAME).setType(INDEX_TYPE);
	assertTrue(client.index(indexBuilder.setId("1").setSource(doc01).request()).actionGet().isCreated());
	assertTrue(client.index(indexBuilder.setId("2").setSource(doc02).request()).actionGet().isCreated());
	client.admin().indices().flush(new FlushRequest(INDEX_NAME)).actionGet();
	defaultProperties = new DefaultProperties("default.properties");
}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
private PreSyncedFlushResponse performPreSyncedFlush(PreShardSyncedFlushRequest request) {
    IndexShard indexShard = indicesService.indexServiceSafe(request.shardId().getIndex()).getShard(request.shardId().id());
    FlushRequest flushRequest = new FlushRequest().force(false).waitIfOngoing(true);
    logger.trace("{} performing pre sync flush", request.shardId());
    Engine.CommitId commitId = indexShard.flush(flushRequest);
    logger.trace("{} pre sync flush done. commit id {}", request.shardId(), commitId);
    return new PreSyncedFlushResponse(commitId);
}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
/**
 * Schedules a flush if needed but won't schedule more than one flush concurrently. The flush will be executed on the
 * Flush thread-pool asynchronously.
 *
 * @return <code>true</code> if a new flush is scheduled otherwise <code>false</code>.
 */
public boolean maybeFlush() {
    if (shouldFlush()) {
        if (asyncFlushRunning.compareAndSet(false, true)) { // we can't use a lock here since we "release" in a different thread
            if (shouldFlush() == false) {
                // we have to check again since otherwise there is a race when a thread passes
                // the first shouldFlush() check next to another thread which flushes fast enough
                // to finish before the current thread could flip the asyncFlushRunning flag.
                // in that situation we have an extra unexpected flush.
                asyncFlushRunning.compareAndSet(true, false);
            } else {
                logger.debug("submitting async flush request");
                final AbstractRunnable abstractRunnable = new AbstractRunnable() {
                    @Override
                    public void onFailure(Exception e) {
                        if (state != IndexShardState.CLOSED) {
                            logger.warn("failed to flush index", e);
                        }
                    }

                    @Override
                    protected void doRun() throws Exception {
                        flush(new FlushRequest());
                    }

                    @Override
                    public void onAfter() {
                        asyncFlushRunning.compareAndSet(true, false);
                        maybeFlush(); // fire a flush up again if we have filled up the limits such that shouldFlush() returns true
                    }
                };
                threadPool.executor(ThreadPool.Names.FLUSH).execute(abstractRunnable);
                return true;
            }
        }
    }
    return false;
}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
public FlushResponse assertImmediateResponse(String index, TransportFlushAction flushAction) throws InterruptedException, ExecutionException {
    Date beginDate = new Date();
    FlushResponse flushResponse = flushAction.execute(new FlushRequest(index)).get();
    Date endDate = new Date();
    long maxTime = 500;
    assertThat("this should not take longer than " + maxTime + " ms. The request hangs somewhere", endDate.getTime() - beginDate.getTime(), lessThanOrEqualTo(maxTime));
    return flushResponse;
}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
private PreSyncedFlushResponse performPreSyncedFlush(PreShardSyncedFlushRequest request) {
    IndexShard indexShard = indicesService.indexServiceSafe(request.shardId().getIndex()).shardSafe(request.shardId().id());
    FlushRequest flushRequest = new FlushRequest().force(false).waitIfOngoing(true);
    logger.trace("{} performing pre sync flush", request.shardId());
    Engine.CommitId commitId = indexShard.flush(flushRequest);
    logger.trace("{} pre sync flush done. commit id {}", request.shardId(), commitId);
    return new PreSyncedFlushResponse(commitId);
}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
@Test
public void testSearchByMetadata() throws InterruptedException {
  try {
    Long testUserTagId = Double.doubleToLongBits(Math.random()) % 10000;
    String testUser = Long.toHexString(Double.doubleToLongBits(Math.random()));
    String responsible = "responsible";
    DataTagCacheObject tag = new DataTagCacheObject(testUserTagId);
    tag.getMetadata().getMetadata().put(responsible, testUser);
    tagDocumentListener.onConfigurationEvent(tag, ConfigConstants.Action.CREATE);

    Long tag1234Id = Double.doubleToLongBits(Math.random()) % 10000;
    String value1234 = "1234";
    tag = new DataTagCacheObject(tag1234Id);
    String key1234 = "1234";
    tag.getMetadata().getMetadata().put(key1234, value1234);
    tagDocumentListener.onConfigurationEvent(tag, ConfigConstants.Action.CREATE);

    client.getClient().admin().indices().flush(new FlushRequest()).actionGet();
    Thread.sleep(10000);

    ElasticsearchService service = new ElasticsearchService(properties);

    assertEquals("There should be 2 tags, one for responsible and one for 1234", 2, service.getDistinctMetadataKeys().size());

    Collection<Long> tagsForResponsibleUser = service.findByMetadata(responsible, testUser);
    assertEquals("There should be one tag with responsible user set to requested value", 1, tagsForResponsibleUser.size());
    assertEquals(testUserTagId, tagsForResponsibleUser.stream().findFirst().get());

    Collection<Long> tags1234 = service.findByMetadata(key1234, value1234);
    assertEquals("There should be one tag with 1234 parameter set to requested value", 1, tags1234.size());
    assertEquals(tag1234Id, tags1234.stream().findFirst().get());
  } catch (Exception e) {
    e.printStackTrace();
    throw e;
  }
}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
@Test
public void testSearchByNameAndMetadata() throws InterruptedException {
  try {
    Long testUserTagId = Double.doubleToLongBits(Math.random()) % 10000;
    String testUser = Long.toHexString(Double.doubleToLongBits(Math.random()));
    String metadataKey = "metadataKey";
    DataTagCacheObject tag = new DataTagCacheObject(testUserTagId);
    String tagname = "tagname";
    tag.setName(tagname);
    tag.getMetadata().getMetadata().put(metadataKey, testUser);
    tagDocumentListener.onConfigurationEvent(tag, ConfigConstants.Action.CREATE);

    tag = new DataTagCacheObject(Double.doubleToLongBits(Math.random()) % 10000);
    tag.setName(tagname);
    tag.getMetadata().getMetadata().put(metadataKey, "some other metadata value");
    tagDocumentListener.onConfigurationEvent(tag, ConfigConstants.Action.CREATE);

    tag = new DataTagCacheObject(Double.doubleToLongBits(Math.random()) % 10000);
    tag.setName("other_tagname");
    tag.getMetadata().getMetadata().put(metadataKey, testUser);
    tagDocumentListener.onConfigurationEvent(tag, ConfigConstants.Action.CREATE);

    client.getClient().admin().indices().flush(new FlushRequest()).actionGet();
    Thread.sleep(10000);

    ElasticsearchService service = new ElasticsearchService(properties);

    Collection<Long> tagsForResponsibleUser = service.findTagsByNameAndMetadata(tagname, metadataKey, testUser);
    assertEquals("There should be one tag with given name and metadata", 1, tagsForResponsibleUser.size());
    assertEquals(testUserTagId, tagsForResponsibleUser.stream().findFirst().get());
  } catch (Exception e) {
    e.printStackTrace();
    throw e;
  }
}
 

import org.elasticsearch.action.admin.indices.flush.FlushRequest; //導入依賴的package包/類
@BeforeClass
public void initCluster() throws IOException {
	client = getClient();

	CreateIndexRequest indexRequest = new CreateIndexRequest(INDEX_NAME);
	assertTrue(client.admin().indices().create(indexRequest).actionGet().isAcknowledged());

	client.admin().indices().flush(new FlushRequest(INDEX_NAME)).actionGet();
	insertDocuments();
}