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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 org.apache.lucene.search.Sort;
import org.apache.lucene.search.SortField;
import org.apache.lucene.search.SortedNumericSortField;
import org.apache.lucene.search.SortedSetSortField;
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.index.engine.Segment;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Locale;
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 = new HashMap<>();
Set<String> indices = new HashSet<>();
for (ShardSegments shard : shards) {
indices.add(shard.getShardRouting().getIndexName());
}
for (String indexName : indices) {
List<ShardSegments> shards = new ArrayList<>();
for (ShardSegments shard : this.shards) {
if (shard.getShardRouting().getIndexName().equals(indexName)) {
shards.add(shard);
}
}
indicesSegments.put(indexName, new IndexSegments(indexName, 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());
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.getSegmentSort() != null) {
toXContent(builder, segment.getSegmentSort());
}
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, Sort sort) throws IOException {
builder.startArray("sort");
for (SortField field : sort.getSort()) {
builder.startObject();
builder.field("field", field.getField());
if (field instanceof SortedNumericSortField) {
builder.field("mode", ((SortedNumericSortField) field).getSelector()
.toString().toLowerCase(Locale.ROOT));
} else if (field instanceof SortedSetSortField) {
builder.field("mode", ((SortedSetSortField) field).getSelector()
.toString().toLowerCase(Locale.ROOT));
}
builder.field("missing", field.getMissingValue());
builder.field("reverse", field.getReverse());
builder.endObject();
}
builder.endArray();
}
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 String INDICES = "indices";
static final String SHARDS = "shards";
static final String ROUTING = "routing";
static final String STATE = "state";
static final String PRIMARY = "primary";
static final String NODE = "node";
static final String RELOCATING_NODE = "relocating_node";
static final String SEGMENTS = "segments";
static final String GENERATION = "generation";
static final String NUM_COMMITTED_SEGMENTS = "num_committed_segments";
static final String NUM_SEARCH_SEGMENTS = "num_search_segments";
static final String NUM_DOCS = "num_docs";
static final String DELETED_DOCS = "deleted_docs";
static final String SIZE = "size";
static final String SIZE_IN_BYTES = "size_in_bytes";
static final String COMMITTED = "committed";
static final String SEARCH = "search";
static final String VERSION = "version";
static final String COMPOUND = "compound";
static final String MERGE_ID = "merge_id";
static final String MEMORY = "memory";
static final String MEMORY_IN_BYTES = "memory_in_bytes";
static final String RAM_TREE = "ram_tree";
static final String DESCRIPTION = "description";
static final String CHILDREN = "children";
}
}