Remove index/indices replication infra code

now that delete by query is out, we don't need this infrastructure code. The delete by query will be implenented as a plugin, with scan scroll + bulk delete, so it will not need this infra anyhow

src/main/java/org/elasticsearch/action/support/replication/IndexReplicationOperationRequest.java

@@ -1,87 +0,0 @@
-/*
- * Licensed to Elasticsearch under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch 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.elasticsearch.action.support.replication;
-
-import org.elasticsearch.action.*;
-import org.elasticsearch.action.support.IndicesOptions;
-import org.elasticsearch.common.io.stream.StreamInput;
-import org.elasticsearch.common.io.stream.StreamOutput;
-import org.elasticsearch.common.unit.TimeValue;
-
-import java.io.IOException;
-
-/**
- * Request used within {@link org.elasticsearch.action.support.replication.TransportIndexReplicationOperationAction}.
- * Since the corresponding action is internal that gets always executed locally, this request never gets sent over the transport.
- * The specified index is expected to be a concrete index. Relies on input validation done by the caller actions.
- */
-public abstract class IndexReplicationOperationRequest<T extends IndexReplicationOperationRequest> extends ActionRequest<T> implements IndicesRequest {
-
-    private final TimeValue timeout;
-    private final String index;
-    private final WriteConsistencyLevel consistencyLevel;
-    private final OriginalIndices originalIndices;
-
-    protected IndexReplicationOperationRequest(String index, TimeValue timeout, WriteConsistencyLevel consistencyLevel,
-                                               String[] originalIndices, IndicesOptions originalIndicesOptions, ActionRequest request) {
-        super(request);
-        this.index = index;
-        this.timeout = timeout;
-        this.consistencyLevel = consistencyLevel;
-        this.originalIndices = new OriginalIndices(originalIndices, originalIndicesOptions);
-    }
-
-    @Override
-    public ActionRequestValidationException validate() {
-        return null;
-    }
-
-    public TimeValue timeout() {
-        return timeout;
-    }
-
-    public String index() {
-        return this.index;
-    }
-
-    @Override
-    public String[] indices() {
-        return originalIndices.indices();
-    }
-
-    @Override
-    public IndicesOptions indicesOptions() {
-        return originalIndices.indicesOptions();
-    }
-
-    public WriteConsistencyLevel consistencyLevel() {
-        return this.consistencyLevel;
-    }
-
-    @Override
-    public final void readFrom(StreamInput in) throws IOException {
-        throw new UnsupportedOperationException("IndexReplicationOperationRequest is not supposed to be sent over the transport");
-    }
-
-    @Override
-    public final void writeTo(StreamOutput out) throws IOException {
-        throw new UnsupportedOperationException("IndexReplicationOperationRequest is not supposed to be sent over the transport");
-    }
-}

src/main/java/org/elasticsearch/action/support/replication/IndicesReplicationOperationRequest.java

@@ -1,140 +0,0 @@
-/*
- * Licensed to Elasticsearch under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch 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.elasticsearch.action.support.replication;
-
-import org.elasticsearch.action.ActionRequest;
-import org.elasticsearch.action.ActionRequestValidationException;
-import org.elasticsearch.action.IndicesRequest;
-import org.elasticsearch.action.WriteConsistencyLevel;
-import org.elasticsearch.action.support.IndicesOptions;
-import org.elasticsearch.common.io.stream.StreamInput;
-import org.elasticsearch.common.io.stream.StreamOutput;
-import org.elasticsearch.common.unit.TimeValue;
-
-import java.io.IOException;
-
-/**
- *
- */
-public abstract class IndicesReplicationOperationRequest<T extends IndicesReplicationOperationRequest> extends ActionRequest<T> implements IndicesRequest.Replaceable {
-
-    protected TimeValue timeout = ShardReplicationOperationRequest.DEFAULT_TIMEOUT;
-    protected String[] indices;
-    private IndicesOptions indicesOptions = IndicesOptions.fromOptions(false, false, true, false);
-
-    protected WriteConsistencyLevel consistencyLevel = WriteConsistencyLevel.DEFAULT;
-
-    public TimeValue timeout() {
-        return timeout;
-    }
-
-    protected IndicesReplicationOperationRequest() {
-    }
-
-    protected IndicesReplicationOperationRequest(ActionRequest actionRequest) {
-        super(actionRequest);
-    }
-
-    /**
-     * A timeout to wait if the delete by query operation can't be performed immediately. Defaults to <tt>1m</tt>.
-     */
-    @SuppressWarnings("unchecked")
-    public final T timeout(TimeValue timeout) {
-        this.timeout = timeout;
-        return (T) this;
-    }
-
-    /**
-     * A timeout to wait if the delete by query operation can't be performed immediately. Defaults to <tt>1m</tt>.
-     */
-    @SuppressWarnings("unchecked")
-    public T timeout(String timeout) {
-        this.timeout = TimeValue.parseTimeValue(timeout, null);
-        return (T) this;
-    }
-
-    @Override
-    public String[] indices() {
-        return this.indices;
-    }
-
-    @Override
-    public IndicesOptions indicesOptions() {
-        return indicesOptions;
-    }
-
-    @SuppressWarnings("unchecked")
-    public T indicesOptions(IndicesOptions indicesOptions) {
-        if (indicesOptions == null) {
-            throw new IllegalArgumentException("IndicesOptions must not be null");
-        }
-        this.indicesOptions = indicesOptions;
-        return (T) this;
-    }
-
-    /**
-     * The indices the request will execute against.
-     */
-    @SuppressWarnings("unchecked")
-    @Override
-    public final T indices(String[] indices) {
-        this.indices = indices;
-        return (T) this;
-    }
-
-    public WriteConsistencyLevel consistencyLevel() {
-        return this.consistencyLevel;
-    }
-
-    /**
-     * Sets the consistency level of write. Defaults to {@link org.elasticsearch.action.WriteConsistencyLevel#DEFAULT}
-     */
-    @SuppressWarnings("unchecked")
-    public final T consistencyLevel(WriteConsistencyLevel consistencyLevel) {
-        if (consistencyLevel == null) {
-            throw new IllegalArgumentException("WriteConsistencyLevel must not be null");
-        }
-        this.consistencyLevel = consistencyLevel;
-        return (T) this;
-    }
-
-    @Override
-    public ActionRequestValidationException validate() {
-        return null;
-    }
-
-    @Override
-    public void readFrom(StreamInput in) throws IOException {
-        super.readFrom(in);
-        consistencyLevel = WriteConsistencyLevel.fromId(in.readByte());
-        timeout = TimeValue.readTimeValue(in);
-        indices = in.readStringArray();
-        indicesOptions = IndicesOptions.readIndicesOptions(in);
-    }
-
-    @Override
-    public void writeTo(StreamOutput out) throws IOException {
-        super.writeTo(out);
-        out.writeByte(consistencyLevel.id());
-        timeout.writeTo(out);
-        out.writeStringArrayNullable(indices);
-        indicesOptions.writeIndicesOptions(out);
-    }
-}

src/main/java/org/elasticsearch/action/support/replication/IndicesReplicationOperationRequestBuilder.java

@@ -1,80 +0,0 @@
-/*
- * Licensed to Elasticsearch under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch 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.elasticsearch.action.support.replication;
-
-import org.elasticsearch.action.ActionRequestBuilder;
-import org.elasticsearch.action.ActionResponse;
-import org.elasticsearch.action.WriteConsistencyLevel;
-import org.elasticsearch.action.support.IndicesOptions;
-import org.elasticsearch.client.Client;
-import org.elasticsearch.common.unit.TimeValue;
-
-/**
- */
-public abstract class IndicesReplicationOperationRequestBuilder<Request extends IndicesReplicationOperationRequest<Request>, Response extends ActionResponse, RequestBuilder extends IndicesReplicationOperationRequestBuilder<Request, Response, RequestBuilder>>
-        extends ActionRequestBuilder<Request, Response, RequestBuilder, Client> {
-
-    protected IndicesReplicationOperationRequestBuilder(Client client, Request request) {
-        super(client, request);
-    }
-
-    /**
-     * A timeout to wait if the index operation can't be performed immediately. Defaults to <tt>1m</tt>.
-     */
-    @SuppressWarnings("unchecked")
-    public final RequestBuilder setTimeout(TimeValue timeout) {
-        request.timeout(timeout);
-        return (RequestBuilder) this;
-    }
-
-    /**
-     * A timeout to wait if the index operation can't be performed immediately. Defaults to <tt>1m</tt>.
-     */
-    @SuppressWarnings("unchecked")
-    public final RequestBuilder setTimeout(String timeout) {
-        request.timeout(timeout);
-        return (RequestBuilder) this;
-    }
-
-    @SuppressWarnings("unchecked")
-    public final RequestBuilder setIndices(String... indices) {
-        request.indices(indices);
-        return (RequestBuilder) this;
-    }
-
-    /**
-     * Specifies what type of requested indices to ignore and how to deal with wildcard indices expressions.
-     * For example indices that don't exist.
-     */
-    @SuppressWarnings("unchecked")
-    public RequestBuilder setIndicesOptions(IndicesOptions indicesOptions) {
-        request().indicesOptions(indicesOptions);
-        return (RequestBuilder) this;
-    }
-
-    /**
-     * Sets the consistency level of write. Defaults to {@link org.elasticsearch.action.WriteConsistencyLevel#DEFAULT}
-     */
-    @SuppressWarnings("unchecked")
-    public RequestBuilder setConsistencyLevel(WriteConsistencyLevel consistencyLevel) {
-        request.consistencyLevel(consistencyLevel);
-        return (RequestBuilder) this;
-    }
-}

src/main/java/org/elasticsearch/action/support/replication/TransportIndexReplicationOperationAction.java

@@ -1,194 +0,0 @@
-/*
- * Licensed to Elasticsearch under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch 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.elasticsearch.action.support.replication;
-
-import org.elasticsearch.ElasticsearchException;
-import org.elasticsearch.ExceptionsHelper;
-import org.elasticsearch.action.ActionListener;
-import org.elasticsearch.action.ActionResponse;
-import org.elasticsearch.action.ActionWriteResponse;
-import org.elasticsearch.action.ActionWriteResponse.ShardInfo.Failure;
-import org.elasticsearch.action.support.ActionFilters;
-import org.elasticsearch.action.support.TransportAction;
-import org.elasticsearch.cluster.ClusterService;
-import org.elasticsearch.cluster.ClusterState;
-import org.elasticsearch.cluster.block.ClusterBlockException;
-import org.elasticsearch.cluster.block.ClusterBlockLevel;
-import org.elasticsearch.cluster.routing.GroupShardsIterator;
-import org.elasticsearch.cluster.routing.ShardIterator;
-import org.elasticsearch.common.settings.Settings;
-import org.elasticsearch.rest.RestStatus;
-import org.elasticsearch.threadpool.ThreadPool;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicReferenceArray;
-
-/**
- * Internal transport action that executes on multiple shards, doesn't register any transport handler as it is always executed locally.
- * It relies on a shard sub-action that gets sent over the transport and executed on each of the shard.
- * The index provided with the request is expected to be a concrete index, properly resolved by the callers (parent actions).
- */
-public abstract class TransportIndexReplicationOperationAction<Request extends IndexReplicationOperationRequest, Response extends ActionResponse, ShardRequest extends ShardReplicationOperationRequest, ShardResponse extends ActionWriteResponse>
-        extends TransportAction<Request, Response> {
-
-    protected final ClusterService clusterService;
-
-    protected final TransportShardReplicationOperationAction<ShardRequest, ShardRequest, ShardResponse> shardAction;
-
-    protected TransportIndexReplicationOperationAction(Settings settings, String actionName, ClusterService clusterService,
-                                                       ThreadPool threadPool, TransportShardReplicationOperationAction<ShardRequest, ShardRequest, ShardResponse> shardAction, ActionFilters actionFilters) {
-        super(settings, actionName, threadPool, actionFilters);
-        this.clusterService = clusterService;
-        this.shardAction = shardAction;
-    }
-
-    @Override
-    protected void doExecute(final Request request, final ActionListener<Response> listener) {
-        ClusterState clusterState = clusterService.state();
-        ClusterBlockException blockException = checkGlobalBlock(clusterState, request);
-        if (blockException != null) {
-            throw blockException;
-        }
-        blockException = checkRequestBlock(clusterState, request);
-        if (blockException != null) {
-            throw blockException;
-        }
-
-        final GroupShardsIterator groups;
-        try {
-            groups = shards(request);
-        } catch (Throwable e) {
-            listener.onFailure(e);
-            return;
-        }
-        final AtomicInteger indexCounter = new AtomicInteger();
-        final AtomicInteger failureCounter = new AtomicInteger();
-        final AtomicInteger completionCounter = new AtomicInteger(groups.size());
-        final AtomicReferenceArray<ShardActionResult> shardsResponses = new AtomicReferenceArray<>(groups.size());
-
-        for (final ShardIterator shardIt : groups) {
-            final ShardRequest shardRequest = newShardRequestInstance(request, shardIt.shardId().id());
-            shardRequest.operationThreaded(true);
-            // no need for threaded listener, we will fork when its done based on the index request
-            shardRequest.listenerThreaded(false);
-            shardAction.execute(shardRequest, new ActionListener<ShardResponse>() {
-                @Override
-                public void onResponse(ShardResponse result) {
-                    shardsResponses.set(indexCounter.getAndIncrement(), new ShardActionResult(result));
-                    returnIfNeeded();
-                }
-
-                @Override
-                public void onFailure(Throwable e) {
-                    failureCounter.getAndIncrement();
-                    int index = indexCounter.getAndIncrement();
-                    // this is a failure for an entire shard group, constructs shard info accordingly
-                    final RestStatus status = ExceptionsHelper.status(e);
-                    Failure failure = new Failure(request.index(), shardIt.shardId().id(), null, e, status, true);
-                    shardsResponses.set(index, new ShardActionResult(new ActionWriteResponse.ShardInfo(shardIt.size(), 0, failure)));
-                    returnIfNeeded();
-                }
-
-                private void returnIfNeeded() {
-                    if (completionCounter.decrementAndGet() == 0) {
-                        List<ShardResponse> responses = new ArrayList<>();
-                        List<Failure> failureList = new ArrayList<>();
-
-                        int total = 0;
-                        int successful = 0;
-                        for (int i = 0; i < shardsResponses.length(); i++) {
-                            ShardActionResult shardActionResult = shardsResponses.get(i);
-                            final ActionWriteResponse.ShardInfo sf;
-                            if (shardActionResult.isFailure()) {
-                                assert shardActionResult.shardInfoOnFailure != null;
-                                sf = shardActionResult.shardInfoOnFailure;
-                            } else {
-                                responses.add(shardActionResult.shardResponse);
-                                sf = shardActionResult.shardResponse.getShardInfo();
-                            }
-                            total += sf.getTotal();
-                            successful += sf.getSuccessful();
-                            failureList.addAll(Arrays.asList(sf.getFailures()));
-                        }
-                        assert failureList.size() == 0 || numShardGroupFailures(failureList) == failureCounter.get();
-
-                        final Failure[] failures;
-                        if (failureList.isEmpty()) {
-                            failures = ActionWriteResponse.EMPTY;
-                        } else {
-                            failures = failureList.toArray(new Failure[failureList.size()]);
-                        }
-                        listener.onResponse(newResponseInstance(request, responses, new ActionWriteResponse.ShardInfo(total, successful, failures)));
-                    }
-                }
-
-                private int numShardGroupFailures(List<Failure> failures) {
-                    int numShardGroupFailures = 0;
-                    for (Failure failure : failures) {
-                        if (failure.primary()) {
-                            numShardGroupFailures++;
-                        }
-                    }
-                    return numShardGroupFailures;
-                }
-            });
-
-        }
-    }
-
-    protected abstract Response newResponseInstance(Request request, List<ShardResponse> shardResponses, ActionWriteResponse.ShardInfo shardInfo);
-
-    protected abstract GroupShardsIterator shards(Request request) throws ElasticsearchException;
-
-    protected abstract ShardRequest newShardRequestInstance(Request request, int shardId);
-
-    protected ClusterBlockException checkGlobalBlock(ClusterState state, Request request) {
-        return state.blocks().globalBlockedException(ClusterBlockLevel.WRITE);
-    }
-
-    protected ClusterBlockException checkRequestBlock(ClusterState state, Request request) {
-        return state.blocks().indexBlockedException(ClusterBlockLevel.WRITE, request.index());
-    }
-
-    private class ShardActionResult {
-
-        private final ShardResponse shardResponse;
-        private final ActionWriteResponse.ShardInfo shardInfoOnFailure;
-
-        private ShardActionResult(ShardResponse shardResponse) {
-            assert shardResponse != null;
-            this.shardResponse = shardResponse;
-            this.shardInfoOnFailure = null;
-        }
-
-        private ShardActionResult(ActionWriteResponse.ShardInfo shardInfoOnFailure) {
-            assert shardInfoOnFailure != null;
-            this.shardInfoOnFailure = shardInfoOnFailure;
-            this.shardResponse = null;
-        }
-
-        boolean isFailure() {
-            return shardInfoOnFailure != null;
-        }
-    }
-}

src/main/java/org/elasticsearch/action/support/replication/TransportIndicesReplicationOperationAction.java

@@ -1,126 +0,0 @@
-/*
- * Licensed to Elasticsearch under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch 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.elasticsearch.action.support.replication;
-
-import org.elasticsearch.ElasticsearchException;
-import org.elasticsearch.action.ActionListener;
-import org.elasticsearch.action.ActionResponse;
-import org.elasticsearch.action.ActionWriteResponse;
-import org.elasticsearch.action.support.ActionFilters;
-import org.elasticsearch.action.support.HandledTransportAction;
-import org.elasticsearch.action.support.TransportAction;
-import org.elasticsearch.cluster.ClusterService;
-import org.elasticsearch.cluster.ClusterState;
-import org.elasticsearch.cluster.block.ClusterBlockException;
-import org.elasticsearch.common.settings.Settings;
-import org.elasticsearch.threadpool.ThreadPool;
-import org.elasticsearch.transport.TransportService;
-
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicReferenceArray;
-
-/**
- */
-public abstract class TransportIndicesReplicationOperationAction<Request extends IndicesReplicationOperationRequest, Response extends ActionResponse, IndexRequest extends IndexReplicationOperationRequest, IndexResponse extends ActionResponse,
-        ShardRequest extends ShardReplicationOperationRequest, ShardResponse extends ActionWriteResponse>
-        extends HandledTransportAction<Request, Response> {
-
-    protected final ClusterService clusterService;
-
-    protected final TransportIndexReplicationOperationAction<IndexRequest, IndexResponse, ShardRequest, ShardResponse> indexAction;
-
-    protected TransportIndicesReplicationOperationAction(Settings settings, String actionName, TransportService transportService, ClusterService clusterService, ThreadPool threadPool,
-                                                         TransportIndexReplicationOperationAction<IndexRequest, IndexResponse, ShardRequest, ShardResponse> indexAction, ActionFilters actionFilters,
-                                                         Class<Request> request) {
-        super(settings, actionName, threadPool, transportService, actionFilters, request);
-        this.clusterService = clusterService;
-        this.indexAction = indexAction;
-    }
-
-
-    protected abstract Map<String, Set<String>> resolveRouting(ClusterState clusterState, Request request) throws ElasticsearchException;
-
-    @Override
-    protected void doExecute(final Request request, final ActionListener<Response> listener) {
-        ClusterState clusterState = clusterService.state();
-        ClusterBlockException blockException = checkGlobalBlock(clusterState, request);
-        if (blockException != null) {
-            throw blockException;
-        }
-        // get actual indices
-        String[] concreteIndices = clusterState.metaData().concreteIndices(request.indicesOptions(), request.indices());
-        blockException = checkRequestBlock(clusterState, request, concreteIndices);
-        if (blockException != null) {
-            throw blockException;
-        }
-
-        final AtomicInteger indexCounter = new AtomicInteger();
-        final AtomicInteger completionCounter = new AtomicInteger(concreteIndices.length);
-        final AtomicReferenceArray<Object> indexResponses = new AtomicReferenceArray<>(concreteIndices.length);
-        final long startTimeInMillis = System.currentTimeMillis();
-
-        Map<String, Set<String>> routingMap = resolveRouting(clusterState, request);
-        if (concreteIndices.length == 0) {
-            listener.onResponse(newResponseInstance(request, indexResponses));
-        } else {
-            for (final String index : concreteIndices) {
-                Set<String> routing = null;
-                if (routingMap != null) {
-                    routing = routingMap.get(index);
-                }
-                IndexRequest indexRequest = newIndexRequestInstance(request, index, routing, startTimeInMillis);
-                // no threading needed, all is done on the index replication one
-                indexRequest.listenerThreaded(false);
-                indexAction.execute(indexRequest, new ActionListener<IndexResponse>() {
-                    @Override
-                    public void onResponse(IndexResponse result) {
-                        indexResponses.set(indexCounter.getAndIncrement(), result);
-                        if (completionCounter.decrementAndGet() == 0) {
-                            listener.onResponse(newResponseInstance(request, indexResponses));
-                        }
-                    }
-    
-                    @Override
-                    public void onFailure(Throwable e) {
-                        int index = indexCounter.getAndIncrement();
-                        if (accumulateExceptions()) {
-                            indexResponses.set(index, e);
-                        }
-                        if (completionCounter.decrementAndGet() == 0) {
-                            listener.onResponse(newResponseInstance(request, indexResponses));
-                        }
-                    }
-                });
-            }
-        }
-    }
-
-    protected abstract Response newResponseInstance(Request request, AtomicReferenceArray indexResponses);
-
-    protected abstract IndexRequest newIndexRequestInstance(Request request, String index, Set<String> routing, long startTimeInMillis);
-
-    protected abstract boolean accumulateExceptions();
-
-    protected abstract ClusterBlockException checkGlobalBlock(ClusterState state, Request request);
-
-    protected abstract ClusterBlockException checkRequestBlock(ClusterState state, Request request, String[] concreteIndices);
-}