public static Settings readSettingsFromStream(StreamInput in) throws IOException {
Builder builder = new Builder();
int numberOfSettings = in.readVInt();
for (int i = 0; i < numberOfSettings; i++) {
builder.put(in.readString(), in.readString());
}
return builder.build();
}
private ImmutableSetMultimap<V, K> invert() {
Builder<V, K> builder = builder();
for (Entry<K, V> entry : entries()) {
builder.put(entry.getValue(), entry.getKey());
}
ImmutableSetMultimap<V, K> invertedMultimap = builder.build();
invertedMultimap.inverse = this;
return invertedMultimap;
}
public DiscoveryNodes removeDeadMembers(Set<String> newNodes, String masterNodeId) {
Builder builder = new Builder().masterNodeId(masterNodeId).localNodeId(localNodeId);
for (DiscoveryNode node : this) {
if (newNodes.contains(node.id())) {
builder.put(node);
}
}
return builder.build();
}
@Override
public MetaData readFrom(StreamInput in) throws IOException {
Builder builder = new Builder();
builder.version = in.readLong();
builder.clusterUUID = in.readString();
builder.transientSettings(readSettingsFromStream(in));
builder.persistentSettings(readSettingsFromStream(in));
int size = in.readVInt();
for (int i = 0; i < size; i++) {
builder.put(IndexMetaData.Builder.readFrom(in), false);
}
size = in.readVInt();
for (int i = 0; i < size; i++) {
builder.put(IndexTemplateMetaData.Builder.readFrom(in));
}
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);
}
return builder.build();
}
@Override
public Settings getByPrefix(String prefix) {
Builder builder = new Builder();
for (Map.Entry<String, String> entry : getAsMap().entrySet()) {
if (entry.getKey().startsWith(prefix)) {
if (entry.getKey().length() < prefix.length()) {
// ignore this one
continue;
}
builder.put(entry.getKey().substring(prefix.length()), entry.getValue());
}
}
builder.classLoader(classLoader);
return builder.build();
}
public static DiscoveryNodes readFrom(StreamInput in, @Nullable DiscoveryNode localNode)
throws IOException {
Builder builder = new Builder();
if (in.readBoolean()) {
builder.masterNodeId(in.readUTF());
}
if (localNode != null) {
builder.localNodeId(localNode.id());
}
int size = in.readVInt();
for (int i = 0; i < size; i++) {
DiscoveryNode node = DiscoveryNode.readNode(in);
if (localNode != null && node.id().equals(localNode.id())) {
// reuse the same instance of our address and local node id for faster equality
node = localNode;
}
builder.put(node);
}
return builder.build();
}
Object createMap(Builder<Object, Object> builder) {
for (int i = 0; i < keys.length; i++) {
builder.put(keys[i], values[i]);
}
return builder.build();
}
public static MetaData fromXContent(XContentParser parser) throws IOException {
Builder builder = new Builder();
// we might get here after the meta-data element, or on a fresh parser
XContentParser.Token token = parser.currentToken();
String currentFieldName = parser.currentName();
if (!"meta-data".equals(currentFieldName)) {
token = parser.nextToken();
if (token == XContentParser.Token.START_OBJECT) {
// move to the field name (meta-data)
token = parser.nextToken();
if (token != XContentParser.Token.FIELD_NAME) {
throw new IllegalArgumentException("Expected a field name but got " + token);
}
// move to the next object
token = parser.nextToken();
}
currentFieldName = parser.currentName();
}
if (!"meta-data".equals(parser.currentName())) {
throw new IllegalArgumentException(
"Expected [meta-data] as a field name but got " + currentFieldName);
}
if (token != XContentParser.Token.START_OBJECT) {
throw new IllegalArgumentException("Expected a START_OBJECT but got " + 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.persistentSettings(
Settings.settingsBuilder()
.put(SettingsLoader.Helper.loadNestedFromMap(parser.mapOrdered()))
.build());
} else if ("indices".equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
builder.put(IndexMetaData.Builder.fromXContent(parser), false);
}
} else if ("templates".equals(currentFieldName)) {
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
builder.put(IndexTemplateMetaData.Builder.fromXContent(parser, parser.currentName()));
}
} 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.isValue()) {
if ("version".equals(currentFieldName)) {
builder.version = parser.longValue();
} else if ("cluster_uuid".equals(currentFieldName) || "uuid".equals(currentFieldName)) {
builder.clusterUUID = parser.text();
} else {
throw new IllegalArgumentException("Unexpected field [" + currentFieldName + "]");
}
} else {
throw new IllegalArgumentException("Unexpected token " + token);
}
}
return builder.build();
}
