org.quartz.locality.constraint
Class MemoryConstraint

java.lang.Object
  org.quartz.locality.constraint.MemoryConstraint

All Implemented Interfaces:

Serializable, Constraint<MemoryConstraint.Operator,Long>

public class MemoryConstraint
extends Object
implements Constraint<MemoryConstraint.Operator,Long>

Constraint on memory characteristics of the node to execute the Job on

Author:

Alex Snaps

See Also:

MemoryEvaluator, Serialized Form

Nested Class Summary

static class	MemoryConstraint.Operator
static class	MemoryConstraint.Unit Memory units

Constructor Summary

MemoryConstraint(MemoryConstraint.Operator op, long value)
MemoryConstraint constructor

Method Summary

static MemoryConstraint	atLeastAvailable(int amount, MemoryConstraint.Unit unit) Creates a MemoryConstraint for at least an amount of memory available
boolean	equals(Object obj)
MemoryConstraint.Operator	getOp() Getter to operator
int	hashCode()
boolean	matches(Long actual)
static MemoryConstraint	orderDescending() Returns a MemoryConstraint to sort the nodes by memory available

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryConstraint

public MemoryConstraint(MemoryConstraint.Operator op,
                        long value)

MemoryConstraint constructor

Parameters:

op - Operation to validate against

value - Target value

Method Detail

matches

public boolean matches(Long actual)

getOp

public MemoryConstraint.Operator getOp()

Getter to operator

Returns:

Operator

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

atLeastAvailable

public static MemoryConstraint atLeastAvailable(int amount,
                                                MemoryConstraint.Unit unit)

Creates a MemoryConstraint for at least an amount of memory available

Parameters:

amount - minimum amount

unit - Memory unit

Returns:

The MemoryConstraint instance

orderDescending

public static MemoryConstraint orderDescending()

Returns a MemoryConstraint to sort the nodes by memory available

Returns:

The MemoryConstraint instance