org.apache.cassandra.cql3.selection

Class SimpleSelector

java.lang.Object

org.apache.cassandra.cql3.selection.Selector

org.apache.cassandra.cql3.selection.SimpleSelector

All Implemented Interfaces:

AssignmentTestable

public final class SimpleSelector
extends Selector

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.cql3.selection.Selector

Selector.Factory

Nested classes/interfaces inherited from interface org.apache.cassandra.cql3.AssignmentTestable

AssignmentTestable.TestResult

Method Summary

Modifier and Type	Method and Description
void	addInput(int protocolVersion, Selection.ResultSetBuilder rs) Add the current value from the specified ResultSetBuilder.
java.nio.ByteBuffer	getOutput(int protocolVersion) Returns the selector output.
AbstractType<?>	getType() Returns the Selector output type.
static Selector.Factory	newFactory(ColumnDefinition def, int idx)
void	reset() Reset the internal state of this Selector.
java.lang.String	toString()

Methods inherited from class org.apache.cassandra.cql3.selection.Selector

isAggregate, testAssignment

Methods inherited from class java.lang.Object

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

Method Detail

newFactory

public static Selector.Factory newFactory(ColumnDefinition def,
                                          int idx)

addInput

public void addInput(int protocolVersion,
                     Selection.ResultSetBuilder rs)
              throws InvalidRequestException

Description copied from class: Selector

Add the current value from the specified ResultSetBuilder.

Specified by:

addInput in class Selector

Parameters:

protocolVersion - protocol version used for serialization

rs - the ResultSetBuilder

Throws:

InvalidRequestException - if a problem occurs while add the input value

getOutput

public java.nio.ByteBuffer getOutput(int protocolVersion)
                              throws InvalidRequestException

Description copied from class: Selector

Returns the selector output.

Specified by:

getOutput in class Selector

Parameters:

protocolVersion - protocol version used for serialization

Returns:

the selector output

Throws:

InvalidRequestException - if a problem occurs while computing the output value

reset

public void reset()

Description copied from class: Selector

Reset the internal state of this Selector.

Specified by:

reset in class Selector

getType

public AbstractType<?> getType()

Description copied from class: Selector

Returns the Selector output type.

Specified by:

getType in class Selector

Returns:

the Selector output type.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object