org.apache.slider.providers

Class PlacementPolicy

java.lang.Object

org.apache.slider.providers.PlacementPolicy

public class PlacementPolicy
extends Object

Placement values. This is nominally a bitmask, though not all values make sense

Field Summary

Fields

Modifier and Type	Field and Description
static int	ANTI_AFFINITY_REQUIRED Anti-affinity is mandatory.
static int	DEFAULT Default value: history used, anti-affinity hinted at on rebuild/flex up
static int	EXCLUDE_FROM_FLEXING Exclude from flexing; used internally to mark AMs.
static int	NO_DATA_LOCALITY No data locality; do not use placement history
static int	NONE Default value: history used, anti-affinity hinted at on rebuild/flex up
static int	STRICT Strict placement: when asking for an instance for which there is history, mandate that it is strict

Constructor Summary

Constructors

Constructor and Description
PlacementPolicy()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

NONE

public static final int NONE

Default value: history used, anti-affinity hinted at on rebuild/flex up

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Constant Field Values

DEFAULT

public static final int DEFAULT

Default value: history used, anti-affinity hinted at on rebuild/flex up

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Constant Field Values

STRICT

public static final int STRICT

Strict placement: when asking for an instance for which there is history, mandate that it is strict

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Constant Field Values

NO_DATA_LOCALITY

public static final int NO_DATA_LOCALITY

No data locality; do not use placement history

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Constant Field Values

ANTI_AFFINITY_REQUIRED

public static final int ANTI_AFFINITY_REQUIRED

Anti-affinity is mandatory.

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Constant Field Values

EXCLUDE_FROM_FLEXING

public static final int EXCLUDE_FROM_FLEXING

Exclude from flexing; used internally to mark AMs.

See Also:

Constant Field Values

Constructor Detail

PlacementPolicy

public PlacementPolicy()