org.apache.cassandra.db

Class SinglePartitionReadCommand.Group

java.lang.Object

org.apache.cassandra.db.SinglePartitionReadQuery.Group<SinglePartitionReadCommand>

org.apache.cassandra.db.SinglePartitionReadCommand.Group

All Implemented Interfaces:

ReadQuery

Enclosing class:

SinglePartitionReadCommand

public static class SinglePartitionReadCommand.Group
extends SinglePartitionReadQuery.Group<SinglePartitionReadCommand>

Groups multiple single partition read commands.

Field Summary

Fields inherited from class org.apache.cassandra.db.SinglePartitionReadQuery.Group

queries

Constructor Summary

Constructors

Constructor and Description
Group(java.util.List<SinglePartitionReadCommand> commands, DataLimits limits)

Method Summary

Modifier and Type	Method and Description
static SinglePartitionReadCommand.Group	create(TableMetadata metadata, int nowInSec, ColumnFilter columnFilter, RowFilter rowFilter, DataLimits limits, java.util.List<DecoratedKey> partitionKeys, ClusteringIndexFilter clusteringIndexFilter)
PartitionIterator	execute(ConsistencyLevel consistency, ClientState clientState, long queryStartNanoTime) Executes the query at the provided consistency level.
static SinglePartitionReadCommand.Group	one(SinglePartitionReadCommand command)

Methods inherited from class org.apache.cassandra.db.SinglePartitionReadQuery.Group

columnFilter, executeInternal, executeLocally, executionController, getPager, limits, metadata, nowInSec, rowFilter, selectsClustering, selectsFullPartition, selectsKey, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.cassandra.db.ReadQuery

empty, isEmpty, maybeValidateIndex

Constructor Detail

Group

public Group(java.util.List<SinglePartitionReadCommand> commands,
             DataLimits limits)

Method Detail

create

public static SinglePartitionReadCommand.Group create(TableMetadata metadata,
                                                      int nowInSec,
                                                      ColumnFilter columnFilter,
                                                      RowFilter rowFilter,
                                                      DataLimits limits,
                                                      java.util.List<DecoratedKey> partitionKeys,
                                                      ClusteringIndexFilter clusteringIndexFilter)

one

public static SinglePartitionReadCommand.Group one(SinglePartitionReadCommand command)

execute

public PartitionIterator execute(ConsistencyLevel consistency,
                                 ClientState clientState,
                                 long queryStartNanoTime)
                          throws RequestExecutionException

Description copied from interface: ReadQuery

Executes the query at the provided consistency level.

Parameters:

consistency - the consistency level to achieve for the query.

clientState - the ClientState for the query. In practice, this can be null unless consistency is a serial consistency.

Returns:

the result of the query.

Throws:

RequestExecutionException