@Override
public IndexMetaData readFrom(StreamInput in) throws IOException {
Builder builder = new Builder(in.readString());
builder.version(in.readLong());
builder.state(State.fromId(in.readByte()));
builder.settings(readSettingsFromStream(in));
int mappingsSize = in.readVInt();
for (int i = 0; i < mappingsSize; i++) {
MappingMetaData mappingMd = MappingMetaData.PROTO.readFrom(in);
builder.putMapping(mappingMd);
}
int aliasesSize = in.readVInt();
for (int i = 0; i < aliasesSize; i++) {
AliasMetaData aliasMd = AliasMetaData.Builder.readFrom(in);
builder.putAlias(aliasMd);
}
int customSize = in.readVInt();
for (int i = 0; i < customSize; i++) {
String type = in.readString();
Custom customIndexMetaData = lookupPrototypeSafe(type).readFrom(in);
builder.putCustom(type, customIndexMetaData);
}
int activeAllocationIdsSize = in.readVInt();
for (int i = 0; i < activeAllocationIdsSize; i++) {
int key = in.readVInt();
Set<String> allocationIds =
DiffableUtils.StringSetValueSerializer.getInstance().read(in, key);
builder.putActiveAllocationIds(key, allocationIds);
}
return builder.build();
}
public static void toXContent(
IndexMetaData indexMetaData, XContentBuilder builder, ToXContent.Params params)
throws IOException {
builder.startObject(
indexMetaData.getIndex().getName(), XContentBuilder.FieldCaseConversion.NONE);
builder.field("version", indexMetaData.getVersion());
builder.field("state", indexMetaData.getState().toString().toLowerCase(Locale.ENGLISH));
boolean binary = params.paramAsBoolean("binary", false);
builder.startObject("settings");
for (Map.Entry<String, String> entry : indexMetaData.getSettings().getAsMap().entrySet()) {
builder.field(entry.getKey(), entry.getValue());
}
builder.endObject();
builder.startArray("mappings");
for (ObjectObjectCursor<String, MappingMetaData> cursor : indexMetaData.getMappings()) {
if (binary) {
builder.value(cursor.value.source().compressed());
} else {
byte[] data = cursor.value.source().uncompressed();
XContentParser parser = XContentFactory.xContent(data).createParser(data);
Map<String, Object> mapping = parser.mapOrdered();
parser.close();
builder.map(mapping);
}
}
builder.endArray();
for (ObjectObjectCursor<String, Custom> cursor : indexMetaData.getCustoms()) {
builder.startObject(cursor.key, XContentBuilder.FieldCaseConversion.NONE);
cursor.value.toXContent(builder, params);
builder.endObject();
}
builder.startObject("aliases");
for (ObjectCursor<AliasMetaData> cursor : indexMetaData.getAliases().values()) {
AliasMetaData.Builder.toXContent(cursor.value, builder, params);
}
builder.endObject();
builder.startObject(KEY_ACTIVE_ALLOCATIONS);
for (IntObjectCursor<Set<String>> cursor : indexMetaData.activeAllocationIds) {
builder.startArray(String.valueOf(cursor.key));
for (String allocationId : cursor.value) {
builder.value(allocationId);
}
builder.endArray();
}
builder.endObject();
builder.endObject();
}
public static void toXContent(
IndexMetaData indexMetaData, XContentBuilder builder, ToXContent.Params params)
throws IOException {
builder.startObject(indexMetaData.index(), XContentBuilder.FieldCaseConversion.NONE);
builder.field("version", indexMetaData.version());
builder.field("state", indexMetaData.state().toString().toLowerCase(Locale.ENGLISH));
boolean binary = params.paramAsBoolean("binary", false);
builder.startObject("settings");
for (Map.Entry<String, String> entry : indexMetaData.settings().getAsMap().entrySet()) {
builder.field(entry.getKey(), entry.getValue());
}
builder.endObject();
builder.startArray("mappings");
for (Map.Entry<String, MappingMetaData> entry : indexMetaData.mappings().entrySet()) {
if (binary) {
builder.value(entry.getValue().source().compressed());
} else {
byte[] data = entry.getValue().source().uncompressed();
XContentParser parser = XContentFactory.xContent(data).createParser(data);
Map<String, Object> mapping = parser.mapOrdered();
parser.close();
builder.map(mapping);
}
}
builder.endArray();
for (Map.Entry<String, Custom> entry : indexMetaData.customs().entrySet()) {
builder.startObject(entry.getKey(), XContentBuilder.FieldCaseConversion.NONE);
lookupFactorySafe(entry.getKey()).toXContent(entry.getValue(), builder, params);
builder.endObject();
}
builder.startObject("aliases");
for (AliasMetaData alias : indexMetaData.aliases().values()) {
AliasMetaData.Builder.toXContent(alias, builder, params);
}
builder.endObject();
builder.endObject();
}
public static void writeTo(IndexMetaData indexMetaData, StreamOutput out) throws IOException {
out.writeUTF(indexMetaData.index());
out.writeLong(indexMetaData.version());
out.writeByte(indexMetaData.state().id());
writeSettingsToStream(indexMetaData.settings(), out);
out.writeVInt(indexMetaData.mappings().size());
for (MappingMetaData mappingMd : indexMetaData.mappings().values()) {
MappingMetaData.writeTo(mappingMd, out);
}
out.writeVInt(indexMetaData.aliases().size());
for (AliasMetaData aliasMd : indexMetaData.aliases().values()) {
AliasMetaData.Builder.writeTo(aliasMd, out);
}
out.writeVInt(indexMetaData.customs().size());
for (Map.Entry<String, Custom> entry : indexMetaData.customs().entrySet()) {
out.writeUTF(entry.getKey());
lookupFactorySafe(entry.getKey()).writeTo(entry.getValue(), out);
}
}
public static IndexMetaData readFrom(StreamInput in) throws IOException {
Builder builder = new Builder(in.readUTF());
builder.version(in.readLong());
builder.state(State.fromId(in.readByte()));
builder.settings(readSettingsFromStream(in));
int mappingsSize = in.readVInt();
for (int i = 0; i < mappingsSize; i++) {
MappingMetaData mappingMd = MappingMetaData.readFrom(in);
builder.putMapping(mappingMd);
}
int aliasesSize = in.readVInt();
for (int i = 0; i < aliasesSize; i++) {
AliasMetaData aliasMd = AliasMetaData.Builder.readFrom(in);
builder.putAlias(aliasMd);
}
int customSize = in.readVInt();
for (int i = 0; i < customSize; i++) {
String type = in.readUTF();
Custom customIndexMetaData = lookupFactorySafe(type).readFrom(in);
builder.putCustom(type, customIndexMetaData);
}
return builder.build();
}
public static IndexMetaData fromXContent(XContentParser parser) throws IOException {
if (parser.currentToken() == XContentParser.Token.START_OBJECT) {
parser.nextToken();
}
Builder builder = new Builder(parser.currentName());
String currentFieldName = null;
XContentParser.Token token = parser.nextToken();
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if (token == XContentParser.Token.START_OBJECT) {
if ("settings".equals(currentFieldName)) {
builder.settings(
ImmutableSettings.settingsBuilder()
.put(SettingsLoader.Helper.loadNestedFromMap(parser.mapOrdered())));
} else if ("mappings".equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if (token == XContentParser.Token.START_OBJECT) {
String mappingType = currentFieldName;
Map<String, Object> mappingSource =
MapBuilder.<String, Object>newMapBuilder()
.put(mappingType, parser.mapOrdered())
.map();
builder.putMapping(new MappingMetaData(mappingType, mappingSource));
}
}
} else if ("aliases".equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
builder.putAlias(AliasMetaData.Builder.fromXContent(parser));
}
} else {
// check if its a custom index metadata
Custom.Factory<Custom> factory = lookupFactory(currentFieldName);
if (factory == null) {
// TODO warn
parser.skipChildren();
} else {
builder.putCustom(factory.type(), factory.fromXContent(parser));
}
}
} else if (token == XContentParser.Token.START_ARRAY) {
if ("mappings".equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
if (token == XContentParser.Token.VALUE_EMBEDDED_OBJECT) {
builder.putMapping(new MappingMetaData(new CompressedString(parser.binaryValue())));
} else {
Map<String, Object> mapping = parser.mapOrdered();
if (mapping.size() == 1) {
String mappingType = mapping.keySet().iterator().next();
builder.putMapping(new MappingMetaData(mappingType, mapping));
}
}
}
}
} else if (token.isValue()) {
if ("state".equals(currentFieldName)) {
builder.state(State.fromString(parser.text()));
} else if ("version".equals(currentFieldName)) {
builder.version(parser.longValue());
}
}
}
return builder.build();
}
public Builder putAlias(AliasMetaData.Builder aliasMetaData) {
aliases.put(aliasMetaData.alias(), aliasMetaData.build());
return this;
}
public static IndexMetaData fromXContent(XContentParser parser) throws IOException {
if (parser.currentToken() == null) { // fresh parser? move to the first token
parser.nextToken();
}
if (parser.currentToken()
== XContentParser.Token.START_OBJECT) { // on a start object move to next token
parser.nextToken();
}
if (parser.currentToken() != XContentParser.Token.FIELD_NAME) {
throw new IllegalArgumentException(
"expected field name but got a " + parser.currentToken());
}
Builder builder = new Builder(parser.currentName());
String currentFieldName = null;
XContentParser.Token token = parser.nextToken();
if (token != XContentParser.Token.START_OBJECT) {
throw new IllegalArgumentException("expected object but got a " + token);
}
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if (token == XContentParser.Token.START_OBJECT) {
if ("settings".equals(currentFieldName)) {
builder.settings(
Settings.settingsBuilder()
.put(SettingsLoader.Helper.loadNestedFromMap(parser.mapOrdered())));
} else if ("mappings".equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if (token == XContentParser.Token.START_OBJECT) {
String mappingType = currentFieldName;
Map<String, Object> mappingSource =
MapBuilder.<String, Object>newMapBuilder()
.put(mappingType, parser.mapOrdered())
.map();
builder.putMapping(new MappingMetaData(mappingType, mappingSource));
} else {
throw new IllegalArgumentException("Unexpected token: " + token);
}
}
} else if ("aliases".equals(currentFieldName)) {
while (parser.nextToken() != XContentParser.Token.END_OBJECT) {
builder.putAlias(AliasMetaData.Builder.fromXContent(parser));
}
} else if (KEY_ACTIVE_ALLOCATIONS.equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if (token == XContentParser.Token.START_ARRAY) {
String shardId = currentFieldName;
Set<String> allocationIds = new HashSet<>();
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
if (token == XContentParser.Token.VALUE_STRING) {
allocationIds.add(parser.text());
}
}
builder.putActiveAllocationIds(Integer.valueOf(shardId), allocationIds);
} else {
throw new IllegalArgumentException("Unexpected token: " + token);
}
}
} else if ("warmers".equals(currentFieldName)) {
// TODO: do this in 4.0:
// throw new IllegalArgumentException("Warmers are not supported anymore - are you
// upgrading from 1.x?");
// ignore: warmers have been removed in 3.0 and are
// simply ignored when upgrading from 2.x
assert Version.CURRENT.major <= 3;
parser.skipChildren();
} else {
// check if its a custom index metadata
Custom proto = lookupPrototype(currentFieldName);
if (proto == null) {
// TODO warn
parser.skipChildren();
} else {
Custom custom = proto.fromXContent(parser);
builder.putCustom(custom.type(), custom);
}
}
} else if (token == XContentParser.Token.START_ARRAY) {
if ("mappings".equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
if (token == XContentParser.Token.VALUE_EMBEDDED_OBJECT) {
builder.putMapping(
new MappingMetaData(new CompressedXContent(parser.binaryValue())));
} else {
Map<String, Object> mapping = parser.mapOrdered();
if (mapping.size() == 1) {
String mappingType = mapping.keySet().iterator().next();
builder.putMapping(new MappingMetaData(mappingType, mapping));
}
}
}
} else {
throw new IllegalArgumentException("Unexpected field for an array " + currentFieldName);
}
} else if (token.isValue()) {
if ("state".equals(currentFieldName)) {
builder.state(State.fromString(parser.text()));
} else if ("version".equals(currentFieldName)) {
builder.version(parser.longValue());
} else {
throw new IllegalArgumentException("Unexpected field [" + currentFieldName + "]");
}
} else {
throw new IllegalArgumentException("Unexpected token " + token);
}
}
return builder.build();
}
