org.apache.ignite.internal.sql.optimizer.affinity

Interface PartitionNode

All Known Implementing Classes:

PartitionAllNode, PartitionCompositeNode, PartitionConstantNode, PartitionGroupNode, PartitionNoneNode, PartitionParameterNode, PartitionSingleNode

public interface PartitionNode

Common node of partition tree.

Method Summary

Modifier and Type	Method and Description
Collection<Integer>	apply(@Nullable PartitionClientContext cliCtx, Object... args) Get partitions.
String	cacheName()
int	joinGroup()
default PartitionNode	optimize() Try optimizing partition nodes into a simpler form.

Method Detail

apply

Collection<Integer> apply(@Nullable
                          @Nullable PartitionClientContext cliCtx,
                          Object... args)
                   throws IgniteCheckedException

Get partitions.

Parameters:

cliCtx - Thin client context (optional).

args - Query arguments.

Returns:

Partitions.

Throws:

IgniteCheckedException - If failed.

joinGroup

int joinGroup()

Returns:

Join group for the given node.

cacheName

String cacheName()

Returns:

First met cache name of an any PartitionSingleNode during PartitionNode tree traversal. This method is intended to be used within the Jdbc thin client.

optimize

default PartitionNode optimize()

Try optimizing partition nodes into a simpler form.

Returns:

Optimized node or this if optimization failed.