Example usage for org.apache.cassandra.schema IndexMetadata isCustom

Introduction

In this page you can find the example usage for org.apache.cassandra.schema IndexMetadata isCustom.

Prototype

public boolean isCustom() 

Source Link

Usage

From source file:org.elassandra.action.admin.indices.rebuild.TransportShardRebuildAction.java

License:Apache License

@Override
protected Tuple<ActionWriteResponse, ShardRebuildRequest> shardOperationOnPrimary(MetaData metaData,
        ShardRebuildRequest shardRequest) throws Throwable {
    IndexService indexService = indicesService.indexServiceSafe(shardRequest.shardId().getIndex());
    List<String> tables = new ArrayList<String>();
    List<String> indexes = new ArrayList<String>();
    IndexMetaData indexMetaData = metaData.index(shardRequest.shardId().getIndex());
    String secondaryIndexClass = indexMetaData.getSettings().get(IndexMetaData.SETTING_SECONDARY_INDEX_CLASS,
            metaData.settings().get(InternalCassandraClusterService.SETTING_CLUSTER_SECONDARY_INDEX_CLASS,
                    InternalCassandraClusterService.defaultSecondaryIndexClass.getName()));
    for (ObjectCursor<MappingMetaData> it : indexMetaData.getMappings().values()) {
        MappingMetaData mapping = it.value;
        String table = InternalCassandraClusterService.typeToCfName(mapping.type());
        tables.add(table);/*from  w  ww. j  a  v a 2  s.  co m*/
        CFMetaData cfMetadata = InternalCassandraClusterService.getCFMetaData(indexService.keyspace(), table);
        for (IndexMetadata index : cfMetadata.getIndexes()) {
            if (index.isCustom() && secondaryIndexClass.equals(index.options.get("class_name"))) {
                indexes.add(index.name);
                break;
            }
        }
    }

    // Cassandra flush and rebuild_index for all mapped tables.
    StorageService.instance.forceKeyspaceFlush(indexService.keyspace(),
            tables.toArray(new String[tables.size()]));
    for (int i = 0; i < tables.size(); i++)
        StorageService.instance.rebuildSecondaryIndex(shardRequest.getRequest().numThreads(),
                indexService.keyspace(), tables.get(i), indexes.get(i));

    logger.trace("index=[{}] rebuild request executed on keyspace=[{}] tables={} with numThreads={}",
            shardRequest.shardId().getIndex(), indexService.keyspace(), tables,
            shardRequest.getRequest().numThreads());
    return new Tuple<>(new ActionWriteResponse(), shardRequest);
}

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