org.elasticsearch.cluster.metadata.MetaData.index()方法的使用及代码示例
本文整理了Java中org.elasticsearch.cluster.metadata.MetaData.index()方法的一些代码示例，展示了MetaData.index()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。MetaData.index()方法的具体详情如下：
包路径：org.elasticsearch.cluster.metadata.MetaData
类名称：MetaData
方法名：index
MetaData.index介绍
[英]The collection of index deletions in the cluster.
[中]群集中索引删除的集合。
代码示例
代码示例来源：origin: floragunncom/search-guard
if(clusterService.state().metaData().index(this.searchguardIndex).mapping("config") != null) {代码示例来源：origin: richardwilly98/elasticsearch-river-mongodb
client.admin().indices().prepareRefresh(index).get();
ImmutableOpenMap<String, MappingMetaData> mappings = client.admin().cluster().prepareState().get().getState().getMetaData()
.index(index).mappings();
logger.trace("mappings contains type {}: {}", type, mappings.containsKey(type));
if (mappings.containsKey(type)) {代码示例来源：origin: org.elasticsearch/elasticsearch
/**
* Returns the average of shards per node for the given index
*/
public float avgShardsPerNode(String index) {
return ((float) metaData.index(index).getTotalNumberOfShards()) / nodes.size();
}代码示例来源：origin: org.elasticsearch/elasticsearch
protected IndexMetaData indexMetaData(ClusterState clusterState, String index) {
IndexMetaData indexMetaData = clusterState.metaData().index(index);
if (indexMetaData == null) {
throw new IndexNotFoundException(index);
}
return indexMetaData;
}代码示例来源：origin: org.elasticsearch/elasticsearch
public IndexMetaData index(Index index) {
IndexMetaData metaData = index(index.getName());
if (metaData != null && metaData.getIndexUUID().equals(index.getUUID())) {
return metaData;
}
return null;
}代码示例来源：origin: org.elasticsearch/elasticsearch
private int getTotalNewShards(Index index, ClusterState currentState, int updatedNumberOfReplicas) {
IndexMetaData indexMetaData = currentState.metaData().index(index);
int shardsInIndex = indexMetaData.getNumberOfShards();
int oldNumberOfReplicas = indexMetaData.getNumberOfReplicas();
int replicaIncrease = updatedNumberOfReplicas - oldNumberOfReplicas;
return replicaIncrease * shardsInIndex;
}代码示例来源：origin: org.elasticsearch/elasticsearch
/**
* Cleans dangling indices if they are already allocated on the provided meta data.
*/
void cleanupAllocatedDangledIndices(MetaData metaData) {
for (Index index : danglingIndices.keySet()) {
final IndexMetaData indexMetaData = metaData.index(index);
if (indexMetaData != null && indexMetaData.getIndex().getName().equals(index.getName())) {
if (indexMetaData.getIndex().getUUID().equals(index.getUUID()) == false) {
logger.warn("[{}] can not be imported as a dangling index, as there is already another index " +
"with the same name but a different uuid. local index will be ignored (but not deleted)", index);
} else {
logger.debug("[{}] no longer dangling (created), removing from dangling list", index);
}
danglingIndices.remove(index);
}
}
}代码示例来源：origin: org.elasticsearch/elasticsearch
private static int getTotalShardCount(ClusterState state, Index index) {
IndexMetaData indexMetaData = state.metaData().index(index);
return indexMetaData.getNumberOfShards() * (1 + indexMetaData.getNumberOfReplicas());
}代码示例来源：origin: org.elasticsearch/elasticsearch
/**
* Validates whether a list of indices can be opened without going over the cluster shard limit. Only counts indices which are
* currently closed and will be opened, ignores indices which are already open.
*
* @param currentState The current cluster state.
* @param indices The indices which are to be opened.
* @param deprecationLogger The logger to use to emit a deprecation warning, if appropriate.
* @throws ValidationException If this operation would take the cluster over the limit and enforcement is enabled.
*/
static void validateShardLimit(ClusterState currentState, Index[] indices, DeprecationLogger deprecationLogger) {
int shardsToOpen = Arrays.stream(indices)
.filter(index -> currentState.metaData().index(index).getState().equals(IndexMetaData.State.CLOSE))
.mapToInt(index -> getTotalShardCount(currentState, index))
.sum();
Optional<String> error = IndicesService.checkShardLimit(shardsToOpen, currentState, deprecationLogger);
if (error.isPresent()) {
ValidationException ex = new ValidationException();
ex.addValidationError(error.get());
throw ex;
}
}代码示例来源：origin: org.elasticsearch/elasticsearch
/**
* Returns the {@link IndexMetaData} for this index.
* @throws IndexNotFoundException if no metadata for this index is found
*/
public IndexMetaData getIndexSafe(Index index) {
IndexMetaData metaData = index(index.getName());
if (metaData != null) {
if(metaData.getIndexUUID().equals(index.getUUID())) {
return metaData;
}
throw new IndexNotFoundException(index,
new IllegalStateException("index uuid doesn't match expected: [" + index.getUUID()
+ "] but got: [" + metaData.getIndexUUID() +"]"));
}
throw new IndexNotFoundException(index);
}代码示例来源：origin: org.elasticsearch/elasticsearch
/**
* Check if any of the indices to be closed are currently being restored from a snapshot and fail closing if such an index
* is found as closing an index that is being restored makes the index unusable (it cannot be recovered).
*/
public static void checkIndexClosing(ClusterState currentState, Set<IndexMetaData> indices) {
RestoreInProgress restore = currentState.custom(RestoreInProgress.TYPE);
if (restore != null) {
Set<Index> indicesToFail = null;
for (RestoreInProgress.Entry entry : restore) {
for (ObjectObjectCursor<ShardId, RestoreInProgress.ShardRestoreStatus> shard : entry.shards()) {
if (!shard.value.state().completed()) {
IndexMetaData indexMetaData = currentState.metaData().index(shard.key.getIndex());
if (indexMetaData != null && indices.contains(indexMetaData)) {
if (indicesToFail == null) {
indicesToFail = new HashSet<>();
}
indicesToFail.add(shard.key.getIndex());
}
}
}
}
if (indicesToFail != null) {
throw new IllegalArgumentException("Cannot close indices that are being restored: " + indicesToFail);
}
}
}代码示例来源：origin: org.elasticsearch/elasticsearch
private List<Index> indicesDeletedFromClusterState() {
// If the new cluster state has a new cluster UUID, the likely scenario is that a node was elected
// master that has had its data directory wiped out, in which case we don't want to delete the indices and lose data;
// rather we want to import them as dangling indices instead. So we check here if the cluster UUID differs from the previous
// cluster UUID, in which case, we don't want to delete indices that the master erroneously believes shouldn't exist.
// See test DiscoveryWithServiceDisruptionsIT.testIndicesDeleted()
// See discussion on https://github.com/elastic/elasticsearch/pull/9952 and
// https://github.com/elastic/elasticsearch/issues/11665
if (metaDataChanged() == false || isNewCluster()) {
return Collections.emptyList();
}
List<Index> deleted = null;
for (ObjectCursor<IndexMetaData> cursor : previousState.metaData().indices().values()) {
IndexMetaData index = cursor.value;
IndexMetaData current = state.metaData().index(index.getIndex());
if (current == null) {
if (deleted == null) {
deleted = new ArrayList<>();
}
deleted.add(index.getIndex());
}
}
return deleted == null ? Collections.<Index>emptyList() : deleted;
}代码示例来源：origin: org.elasticsearch/elasticsearch
public boolean equalsAliases(MetaData other) {
for (ObjectCursor<IndexMetaData> cursor : other.indices().values()) {
IndexMetaData otherIndex = cursor.value;
IndexMetaData thisIndex = index(otherIndex.getIndex());
if (thisIndex == null) {
return false;
}
if (otherIndex.getAliases().equals(thisIndex.getAliases()) == false) {
return false;
}
}
return true;
}代码示例来源：origin: org.elasticsearch/elasticsearch
public AliasFilter buildAliasFilter(ClusterState state, String index, String... expressions) {
/* Being static, parseAliasFilter doesn't have access to whatever guts it needs to parse a query. Instead of passing in a bunch
* of dependencies we pass in a function that can perform the parsing. */
CheckedFunction<byte[], QueryBuilder, IOException> filterParser = bytes -> {
try (XContentParser parser = XContentFactory.xContent(bytes)
.createParser(xContentRegistry, LoggingDeprecationHandler.INSTANCE, bytes)) {
return parseInnerQueryBuilder(parser);
}
};
String[] aliases = indexNameExpressionResolver.filteringAliases(state, index, expressions);
IndexMetaData indexMetaData = state.metaData().index(index);
return new AliasFilter(ShardSearchRequest.parseAliasFilter(filterParser, indexMetaData, aliases), aliases);
}代码示例来源：origin: org.elasticsearch/elasticsearch
/**
* Deletes an index that is not assigned to this node. This method cleans up all disk folders relating to the index
* but does not deal with in-memory structures. For those call {@link #removeIndex(Index, IndexRemovalReason, String)}
*/
@Override
public void deleteUnassignedIndex(String reason, IndexMetaData metaData, ClusterState clusterState) {
if (nodeEnv.hasNodeFile()) {
String indexName = metaData.getIndex().getName();
try {
if (clusterState.metaData().hasIndex(indexName)) {
final IndexMetaData index = clusterState.metaData().index(indexName);
throw new IllegalStateException("Can't delete unassigned index store for [" + indexName + "] - it's still part of " +
"the cluster state [" + index.getIndexUUID() + "] [" + metaData.getIndexUUID() + "]");
}
deleteIndexStore(reason, metaData, clusterState);
} catch (Exception e) {
logger.warn(() -> new ParameterizedMessage("[{}] failed to delete unassigned index (reason [{}])",
metaData.getIndex(), reason), e);
}
}
}代码示例来源：origin: org.elasticsearch/elasticsearch
/**
* Finds the next (closest) delay expiration of an delayed shard in nanoseconds based on current time.
* Returns 0 if delay is negative.
* Returns -1 if no delayed shard is found.
*/
public static long findNextDelayedAllocation(long currentNanoTime, ClusterState state) {
MetaData metaData = state.metaData();
RoutingTable routingTable = state.routingTable();
long nextDelayNanos = Long.MAX_VALUE;
for (ShardRouting shard : routingTable.shardsWithState(ShardRoutingState.UNASSIGNED)) {
UnassignedInfo unassignedInfo = shard.unassignedInfo();
if (unassignedInfo.isDelayed()) {
Settings indexSettings = metaData.index(shard.index()).getSettings();
// calculate next time to schedule
final long newComputedLeftDelayNanos = unassignedInfo.getRemainingDelay(currentNanoTime, indexSettings);
if (newComputedLeftDelayNanos < nextDelayNanos) {
nextDelayNanos = newComputedLeftDelayNanos;
}
}
}
return nextDelayNanos == Long.MAX_VALUE ? -1L : nextDelayNanos;
}代码示例来源：origin: org.elasticsearch/elasticsearch
/**
* Validate the name for an index against some static rules and a cluster state.
*/
public static void validateIndexName(String index, ClusterState state) {
validateIndexOrAliasName(index, InvalidIndexNameException::new);
if (!index.toLowerCase(Locale.ROOT).equals(index)) {
throw new InvalidIndexNameException(index, "must be lowercase");
}
if (state.routingTable().hasIndex(index)) {
throw new ResourceAlreadyExistsException(state.routingTable().index(index).getIndex());
}
if (state.metaData().hasIndex(index)) {
throw new ResourceAlreadyExistsException(state.metaData().index(index).getIndex());
}
if (state.metaData().hasAlias(index)) {
throw new InvalidIndexNameException(index, "already exists as alias");
}
}代码示例来源：origin: org.elasticsearch/elasticsearch
private void applyStartedShards(RoutingAllocation routingAllocation, List<ShardRouting> startedShardEntries) {
assert startedShardEntries.isEmpty() == false : "non-empty list of started shard entries expected";
RoutingNodes routingNodes = routingAllocation.routingNodes();
for (ShardRouting startedShard : startedShardEntries) {
assert startedShard.initializing() : "only initializing shards can be started";
assert routingAllocation.metaData().index(startedShard.shardId().getIndex()) != null :
"shard started for unknown index (shard entry: " + startedShard + ")";
assert startedShard == routingNodes.getByAllocationId(startedShard.shardId(), startedShard.allocationId().getId()) :
"shard routing to start does not exist in routing table, expected: " + startedShard + " but was: " +
routingNodes.getByAllocationId(startedShard.shardId(), startedShard.allocationId().getId());
routingNodes.startShard(logger, startedShard, routingAllocation.changes());
}
}代码示例来源：origin: org.elasticsearch/elasticsearch
final IndexShardRoutingTable getShardRoutingTable(ShardId shardId, ClusterState state) {
final IndexRoutingTable indexRoutingTable = state.routingTable().index(shardId.getIndexName());
if (indexRoutingTable == null) {
IndexMetaData index = state.getMetaData().index(shardId.getIndex());
if (index != null && index.getState() == IndexMetaData.State.CLOSE) {
throw new IndexClosedException(shardId.getIndex());
}
throw new IndexNotFoundException(shardId.getIndexName());
}
final IndexShardRoutingTable shardRoutingTable = indexRoutingTable.shard(shardId.id());
if (shardRoutingTable == null) {
throw new ShardNotFoundException(shardId);
}
return shardRoutingTable;
}代码示例来源：origin: org.elasticsearch/elasticsearch
@Override
protected void resolveRequest(ClusterState state, InternalRequest request) {
IndexMetaData indexMeta = state.getMetaData().index(request.concreteIndex());
// update the routing (request#index here is possibly an alias)
request.request().routing(state.metaData().resolveIndexRouting(request.request().parent(), request.request().routing(),
request.request().index()));
// Fail fast on the node that received the request.
if (request.request().routing() == null && state.getMetaData().routingRequired(request.concreteIndex(), request.request().type())) {
throw new RoutingMissingException(request.concreteIndex(), request.request().type(), request.request().id());
}
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