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

Class PartitionSingleNode

java.lang.Object

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

All Implemented Interfaces:

PartitionNode

Direct Known Subclasses:

PartitionConstantNode, PartitionParameterNode

public abstract class PartitionSingleNode
extends Object
implements PartitionNode

Node with a single partition.

Field Summary

Fields

Modifier and Type	Field	Description
protected PartitionTable	tbl	Table descriptor.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PartitionSingleNode(PartitionTable tbl)	Constructor.

Method Summary

Modifier and Type	Method	Description
Collection<Integer>	apply(PartitionClientContext cliCtx, Object... args)	Get partitions.
abstract Integer	applySingle(@Nullable PartitionClientContext cliCtx, Object... args)	Apply arguments and get single partition.
String	cacheName()
abstract boolean	constant()
boolean	equals(Object obj)
int	hashCode()
int	joinGroup()
PartitionTable	table()
abstract int	value()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.ignite.internal.sql.optimizer.affinity.PartitionNode

optimize

Field Detail

tbl

@GridToStringExclude
protected final PartitionTable tbl

Table descriptor.

Constructor Detail

PartitionSingleNode

protected PartitionSingleNode(PartitionTable tbl)

Constructor.

Parameters:

tbl - Table descriptor.

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.

applySingle

public abstract Integer applySingle(@Nullable
                                    @Nullable PartitionClientContext cliCtx,
                                    Object... args)
                             throws IgniteCheckedException

Apply arguments and get single partition.

Parameters:

cliCtx - Client context.

args - Arguments.

Returns:

Partition or null if failed.

Throws:

IgniteCheckedException

constant

public abstract boolean constant()

Returns:

True if constant, false if argument.

joinGroup

public int joinGroup()

Specified by:

joinGroup in interface PartitionNode

Returns:

Join group for the given node.

cacheName

public String cacheName()

Specified by:

cacheName in interface PartitionNode

Returns:

Cache name. Should be used only on server side.

value

public abstract int value()

Returns:

Partition for constant node, index for argument node.

table

public PartitionTable table()

Returns:

Underlying table.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object