Package org.apache.drill.exec.vector

Class ObjectVector.Mutator

java.lang.Object

org.apache.drill.exec.vector.ObjectVector.Mutator

All Implemented Interfaces:

ValueVector.Mutator

Enclosing class:

ObjectVector

public final class ObjectVector.Mutator
extends Object
implements ValueVector.Mutator

Constructor Summary

Constructors

Constructor	Description
Mutator()

Method Summary

Modifier and Type	Method	Description
void	exchange(ValueVector.Mutator other)	Exchanges state with the mutator of another mutator.
void	generateTestData(int values)
void	reset()	Resets the mutator to pristine state.
void	set(int index, Object obj)
protected void	set(int index, ObjectHolder holder)
boolean	setSafe(int index, long value)
boolean	setSafe(int index, ObjectHolder holder)
void	setValueCount(int valueCount)	Sets the number of values that is stored in this vector to the given value count.

Methods inherited from class java.lang.Object

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

Constructor Details

Mutator

public Mutator()

Method Details

set

public void set(int index,
 Object obj)

setSafe

public boolean setSafe(int index,
 long value)

set

protected void set(int index,
 ObjectHolder holder)

setSafe

public boolean setSafe(int index,
 ObjectHolder holder)

setValueCount

public void setValueCount(int valueCount)

Description copied from interface: ValueVector.Mutator

Sets the number of values that is stored in this vector to the given value count. WARNING! Once the valueCount is set, the vector should be considered immutable.

Specified by:

setValueCount in interface ValueVector.Mutator

Parameters:

valueCount - value count to set.

reset

public void reset()

Description copied from interface: ValueVector.Mutator

Resets the mutator to pristine state.

Specified by:

reset in interface ValueVector.Mutator

generateTestData

public void generateTestData(int values)

Specified by:

generateTestData in interface ValueVector.Mutator

exchange

public void exchange(ValueVector.Mutator other)

Description copied from interface: ValueVector.Mutator

Exchanges state with the mutator of another mutator. Used when exchanging state with another vector.

Specified by:

exchange in interface ValueVector.Mutator