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

Class PartitionCompositeNode

java.lang.Object

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

All Implemented Interfaces:

PartitionNode

public class PartitionCompositeNode
extends Object
implements PartitionNode

Composite node which consists of two child nodes and a relation between them.

Constructor Summary

Constructors

Constructor and Description
PartitionCompositeNode(PartitionNode left, PartitionNode right, PartitionCompositeNodeOperator op) Constructor.

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

PartitionCompositeNode

public PartitionCompositeNode(PartitionNode left,
                              PartitionNode right,
                              PartitionCompositeNodeOperator op)

Constructor.

Parameters:

left - Left node.

right - Right node.

op - Operator.

Method Detail

apply

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

Get partitions.

Specified by:

apply in interface PartitionNode

Parameters:

cliCtx - Thin client context (optional).

args - Query arguments.

Returns:

Partitions.

Throws:

IgniteCheckedException - If failed.

joinGroup

public int joinGroup()

Specified by:

joinGroup in interface PartitionNode

Returns:

Join group for the given node.

optimize

public PartitionNode optimize()

Try optimizing partition nodes into a simpler form.

Specified by:

optimize in interface PartitionNode

Returns:

Optimized node or this if optimization failed.

left

public PartitionNode left()

Returns:

Left node.

right

public PartitionNode right()

Returns:

Right node.

operator

public PartitionCompositeNodeOperator operator()

Returns:

Operator.

toString

public String toString()

Overrides:

toString in class Object

cacheName

public String cacheName()

Specified by:

cacheName in interface PartitionNode

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.