public MetaData build() {
// TODO: We should move these datastructures to IndexNameExpressionResolver, this will give
// the following benefits:
// 1) The datastructures will only be rebuilded when needed. Now during serializing we rebuild
// these datastructures
// while these datastructures aren't even used.
// 2) The aliasAndIndexLookup can be updated instead of rebuilding it all the time.
// build all concrete indices arrays:
// TODO: I think we can remove these arrays. it isn't worth the effort, for operations on all
// indices.
// When doing an operation across all indices, most of the time is spent on actually going to
// all shards and
// do the required operations, the bottleneck isn't resolving expressions into concrete
// indices.
List<String> allIndicesLst = new ArrayList<>();
for (ObjectCursor<IndexMetaData> cursor : indices.values()) {
allIndicesLst.add(cursor.value.getIndex().getName());
}
String[] allIndices = allIndicesLst.toArray(new String[allIndicesLst.size()]);
List<String> allOpenIndicesLst = new ArrayList<>();
List<String> allClosedIndicesLst = new ArrayList<>();
for (ObjectCursor<IndexMetaData> cursor : indices.values()) {
IndexMetaData indexMetaData = cursor.value;
if (indexMetaData.getState() == IndexMetaData.State.OPEN) {
allOpenIndicesLst.add(indexMetaData.getIndex().getName());
} else if (indexMetaData.getState() == IndexMetaData.State.CLOSE) {
allClosedIndicesLst.add(indexMetaData.getIndex().getName());
}
}
String[] allOpenIndices = allOpenIndicesLst.toArray(new String[allOpenIndicesLst.size()]);
String[] allClosedIndices =
allClosedIndicesLst.toArray(new String[allClosedIndicesLst.size()]);
// build all indices map
SortedMap<String, AliasOrIndex> aliasAndIndexLookup = new TreeMap<>();
for (ObjectCursor<IndexMetaData> cursor : indices.values()) {
IndexMetaData indexMetaData = cursor.value;
aliasAndIndexLookup.put(
indexMetaData.getIndex().getName(), new AliasOrIndex.Index(indexMetaData));
for (ObjectObjectCursor<String, AliasMetaData> aliasCursor : indexMetaData.getAliases()) {
AliasMetaData aliasMetaData = aliasCursor.value;
AliasOrIndex aliasOrIndex = aliasAndIndexLookup.get(aliasMetaData.getAlias());
if (aliasOrIndex == null) {
aliasOrIndex = new AliasOrIndex.Alias(aliasMetaData, indexMetaData);
aliasAndIndexLookup.put(aliasMetaData.getAlias(), aliasOrIndex);
} else if (aliasOrIndex instanceof AliasOrIndex.Alias) {
AliasOrIndex.Alias alias = (AliasOrIndex.Alias) aliasOrIndex;
alias.addIndex(indexMetaData);
} else if (aliasOrIndex instanceof AliasOrIndex.Index) {
AliasOrIndex.Index index = (AliasOrIndex.Index) aliasOrIndex;
throw new IllegalStateException(
"index and alias names need to be unique, but alias ["
+ aliasMetaData.getAlias()
+ "] and index "
+ index.getIndex().getIndex()
+ " have the same name");
} else {
throw new IllegalStateException(
"unexpected alias [" + aliasMetaData.getAlias() + "][" + aliasOrIndex + "]");
}
}
}
aliasAndIndexLookup = Collections.unmodifiableSortedMap(aliasAndIndexLookup);
return new MetaData(
clusterUUID,
version,
transientSettings,
persistentSettings,
indices.build(),
templates.build(),
customs.build(),
allIndices,
allOpenIndices,
allClosedIndices,
aliasAndIndexLookup);
}
public IndexMetaData build() {
ImmutableOpenMap.Builder<String, AliasMetaData> tmpAliases = aliases;
Settings tmpSettings = settings;
// update default mapping on the MappingMetaData
if (mappings.containsKey(MapperService.DEFAULT_MAPPING)) {
MappingMetaData defaultMapping = mappings.get(MapperService.DEFAULT_MAPPING);
for (ObjectCursor<MappingMetaData> cursor : mappings.values()) {
cursor.value.updateDefaultMapping(defaultMapping);
}
}
Integer maybeNumberOfShards = settings.getAsInt(SETTING_NUMBER_OF_SHARDS, null);
if (maybeNumberOfShards == null) {
throw new IllegalArgumentException("must specify numberOfShards for index [" + index + "]");
}
int numberOfShards = maybeNumberOfShards;
if (numberOfShards <= 0) {
throw new IllegalArgumentException(
"must specify positive number of shards for index [" + index + "]");
}
Integer maybeNumberOfReplicas = settings.getAsInt(SETTING_NUMBER_OF_REPLICAS, null);
if (maybeNumberOfReplicas == null) {
throw new IllegalArgumentException(
"must specify numberOfReplicas for index [" + index + "]");
}
int numberOfReplicas = maybeNumberOfReplicas;
if (numberOfReplicas < 0) {
throw new IllegalArgumentException(
"must specify non-negative number of shards for index [" + index + "]");
}
// fill missing slots in activeAllocationIds with empty set if needed and make all entries
// immutable
ImmutableOpenIntMap.Builder<Set<String>> filledActiveAllocationIds =
ImmutableOpenIntMap.builder();
for (int i = 0; i < numberOfShards; i++) {
if (activeAllocationIds.containsKey(i)) {
filledActiveAllocationIds.put(
i, Collections.unmodifiableSet(new HashSet<>(activeAllocationIds.get(i))));
} else {
filledActiveAllocationIds.put(i, Collections.emptySet());
}
}
final Map<String, String> requireMap =
INDEX_ROUTING_REQUIRE_GROUP_SETTING.get(settings).getAsMap();
final DiscoveryNodeFilters requireFilters;
if (requireMap.isEmpty()) {
requireFilters = null;
} else {
requireFilters = DiscoveryNodeFilters.buildFromKeyValue(AND, requireMap);
}
Map<String, String> includeMap = INDEX_ROUTING_INCLUDE_GROUP_SETTING.get(settings).getAsMap();
final DiscoveryNodeFilters includeFilters;
if (includeMap.isEmpty()) {
includeFilters = null;
} else {
includeFilters = DiscoveryNodeFilters.buildFromKeyValue(OR, includeMap);
}
Map<String, String> excludeMap = INDEX_ROUTING_EXCLUDE_GROUP_SETTING.get(settings).getAsMap();
final DiscoveryNodeFilters excludeFilters;
if (excludeMap.isEmpty()) {
excludeFilters = null;
} else {
excludeFilters = DiscoveryNodeFilters.buildFromKeyValue(OR, excludeMap);
}
Version indexCreatedVersion = Version.indexCreated(settings);
Version indexUpgradedVersion =
settings.getAsVersion(IndexMetaData.SETTING_VERSION_UPGRADED, indexCreatedVersion);
String stringLuceneVersion = settings.get(SETTING_VERSION_MINIMUM_COMPATIBLE);
final org.apache.lucene.util.Version minimumCompatibleLuceneVersion;
if (stringLuceneVersion != null) {
try {
minimumCompatibleLuceneVersion =
org.apache.lucene.util.Version.parse(stringLuceneVersion);
} catch (ParseException ex) {
throw new IllegalStateException(
"Cannot parse lucene version ["
+ stringLuceneVersion
+ "] in the ["
+ SETTING_VERSION_MINIMUM_COMPATIBLE
+ "] setting",
ex);
}
} else {
minimumCompatibleLuceneVersion = null;
}
final String uuid = settings.get(SETTING_INDEX_UUID, INDEX_UUID_NA_VALUE);
return new IndexMetaData(
new Index(index, uuid),
version,
state,
numberOfShards,
numberOfReplicas,
tmpSettings,
mappings.build(),
tmpAliases.build(),
customs.build(),
filledActiveAllocationIds.build(),
requireFilters,
includeFilters,
excludeFilters,
indexCreatedVersion,
indexUpgradedVersion,
minimumCompatibleLuceneVersion);
}