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* 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.admin.indices.segments;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import org.apache.lucene.util.Accountable;
import org.elasticsearch.action.ShardOperationFailedException;
import org.elasticsearch.action.support.broadcast.BroadcastResponse;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentBuilderString;
import org.elasticsearch.index.engine.Segment;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class IndicesSegmentResponse extends BroadcastResponse implements ToXContent {
private ShardSegments[] shards;
private Map<String, IndexSegments> indicesSegments;
IndicesSegmentResponse() {
}
IndicesSegmentResponse(ShardSegments[] shards, int totalShards, int successfulShards, int failedShards, List<ShardOperationFailedException> shardFailures) {
super(totalShards, successfulShards, failedShards, shardFailures);
this.shards = shards;
}
public Map<String, IndexSegments> getIndices() {
if (indicesSegments != null) {
return indicesSegments;
}
Map<String, IndexSegments> indicesSegments = Maps.newHashMap();
Set<String> indices = Sets.newHashSet();
for (ShardSegments shard : shards) {
indices.add(shard.getShardRouting().getIndex());
}
for (String index : indices) {
List<ShardSegments> shards = new ArrayList<>();
for (ShardSegments shard : this.shards) {
if (shard.getShardRouting().index().equals(index)) {
shards.add(shard);
}
}
indicesSegments.put(index, new IndexSegments(index, shards.toArray(new ShardSegments[shards.size()])));
}
this.indicesSegments = indicesSegments;
return indicesSegments;
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
shards = new ShardSegments[in.readVInt()];
for (int i = 0; i < shards.length; i++) {
shards[i] = ShardSegments.readShardSegments(in);
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeVInt(shards.length);
for (ShardSegments shard : shards) {
shard.writeTo(out);
}
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject(Fields.INDICES);
for (IndexSegments indexSegments : getIndices().values()) {
builder.startObject(indexSegments.getIndex(), XContentBuilder.FieldCaseConversion.NONE);
builder.startObject(Fields.SHARDS);
for (IndexShardSegments indexSegment : indexSegments) {
builder.startArray(Integer.toString(indexSegment.getShardId().id()));
for (ShardSegments shardSegments : indexSegment) {
builder.startObject();
builder.startObject(Fields.ROUTING);
builder.field(Fields.STATE, shardSegments.getShardRouting().state());
builder.field(Fields.PRIMARY, shardSegments.getShardRouting().primary());
builder.field(Fields.NODE, shardSegments.getShardRouting().currentNodeId());
if (shardSegments.getShardRouting().relocatingNodeId() != null) {
builder.field(Fields.RELOCATING_NODE, shardSegments.getShardRouting().relocatingNodeId());
}
builder.endObject();
builder.field(Fields.NUM_COMMITTED_SEGMENTS, shardSegments.getNumberOfCommitted());
builder.field(Fields.NUM_SEARCH_SEGMENTS, shardSegments.getNumberOfSearch());
builder.startObject(Fields.SEGMENTS);
for (Segment segment : shardSegments) {
builder.startObject(segment.getName());
builder.field(Fields.GENERATION, segment.getGeneration());
builder.field(Fields.NUM_DOCS, segment.getNumDocs());
builder.field(Fields.DELETED_DOCS, segment.getDeletedDocs());
builder.byteSizeField(Fields.SIZE_IN_BYTES, Fields.SIZE, segment.getSizeInBytes());
builder.byteSizeField(Fields.MEMORY_IN_BYTES, Fields.MEMORY, segment.getMemoryInBytes());
builder.field(Fields.COMMITTED, segment.isCommitted());
builder.field(Fields.SEARCH, segment.isSearch());
if (segment.getVersion() != null) {
builder.field(Fields.VERSION, segment.getVersion());
}
if (segment.isCompound() != null) {
builder.field(Fields.COMPOUND, segment.isCompound());
}
if (segment.getMergeId() != null) {
builder.field(Fields.MERGE_ID, segment.getMergeId());
}
if (segment.ramTree != null) {
builder.startArray(Fields.RAM_TREE);
for (Accountable child : segment.ramTree.getChildResources()) {
toXContent(builder, child);
}
builder.endArray();
}
builder.endObject();
}
builder.endObject();
builder.endObject();
}
builder.endArray();
}
builder.endObject();
builder.endObject();
}
builder.endObject();
return builder;
}
static void toXContent(XContentBuilder builder, Accountable tree) throws IOException {
builder.startObject();
builder.field(Fields.DESCRIPTION, tree.toString());
builder.byteSizeField(Fields.SIZE_IN_BYTES, Fields.SIZE, new ByteSizeValue(tree.ramBytesUsed()));
Collection<Accountable> children = tree.getChildResources();
if (children.isEmpty() == false) {
builder.startArray(Fields.CHILDREN);
for (Accountable child : children) {
toXContent(builder, child);
}
builder.endArray();
}
builder.endObject();
}
static final class Fields {
static final XContentBuilderString INDICES = new XContentBuilderString("indices");
static final XContentBuilderString SHARDS = new XContentBuilderString("shards");
static final XContentBuilderString ROUTING = new XContentBuilderString("routing");
static final XContentBuilderString STATE = new XContentBuilderString("state");
static final XContentBuilderString PRIMARY = new XContentBuilderString("primary");
static final XContentBuilderString NODE = new XContentBuilderString("node");
static final XContentBuilderString RELOCATING_NODE = new XContentBuilderString("relocating_node");
static final XContentBuilderString SEGMENTS = new XContentBuilderString("segments");
static final XContentBuilderString GENERATION = new XContentBuilderString("generation");
static final XContentBuilderString NUM_COMMITTED_SEGMENTS = new XContentBuilderString("num_committed_segments");
static final XContentBuilderString NUM_SEARCH_SEGMENTS = new XContentBuilderString("num_search_segments");
static final XContentBuilderString NUM_DOCS = new XContentBuilderString("num_docs");
static final XContentBuilderString DELETED_DOCS = new XContentBuilderString("deleted_docs");
static final XContentBuilderString SIZE = new XContentBuilderString("size");
static final XContentBuilderString SIZE_IN_BYTES = new XContentBuilderString("size_in_bytes");
static final XContentBuilderString COMMITTED = new XContentBuilderString("committed");
static final XContentBuilderString SEARCH = new XContentBuilderString("search");
static final XContentBuilderString VERSION = new XContentBuilderString("version");
static final XContentBuilderString COMPOUND = new XContentBuilderString("compound");
static final XContentBuilderString MERGE_ID = new XContentBuilderString("merge_id");
static final XContentBuilderString MEMORY = new XContentBuilderString("memory");
static final XContentBuilderString MEMORY_IN_BYTES = new XContentBuilderString("memory_in_bytes");
static final XContentBuilderString RAM_TREE = new XContentBuilderString("ram_tree");
static final XContentBuilderString DESCRIPTION = new XContentBuilderString("description");
static final XContentBuilderString CHILDREN = new XContentBuilderString("children");
}
}