net.messagevortex.router.operation

Class AbstractOperation

java.lang.Object

net.messagevortex.router.operation.AbstractOperation

All Implemented Interfaces:

Serializable, Operation

Direct Known Subclasses:

AddRedundancy, IdMapOperation, RemoveRedundancy

public abstract class AbstractOperation
extends Object
implements Operation, Serializable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AbstractOperation()

Method Summary

Modifier and Type	Method and Description
abstract boolean	canRun() Checks if all prerequisiting fields do exist or can be provided by a subsequent operation.
abstract int[]	execute(int[] id) Executes the operation and sets at least the provided set of id.
IdentityBlock	getIdentity()
UsagePeriod	getUsagePeriod()
boolean	isInUsagePeriod() Checks if the operation is within its usage period.
void	setInternalPayload(InternalPayloadSpace payload) Puts a payload int the workspace.
UsagePeriod	setUsagePeriod(UsagePeriod period) Sets the usage period of the respective operation.

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.messagevortex.router.operation.Operation

getInputId, getOutputId

Constructor Detail

AbstractOperation

public AbstractOperation()

Method Detail

setInternalPayload

public void setInternalPayload(InternalPayloadSpace payload)

Puts a payload int the workspace.

Specified by:

setInternalPayload in interface Operation

Parameters:

payload - the internal payload of an identity to be registered within its workspace

canRun

public abstract boolean canRun()

Description copied from interface: Operation

Checks if all prerequisiting fields do exist or can be provided by a subsequent operation.

Specified by:

canRun in interface Operation

Returns:

true if all prerequisits can potentially be satisfied

getIdentity

public IdentityBlock getIdentity()

Specified by:

getIdentity in interface Operation

getUsagePeriod

public UsagePeriod getUsagePeriod()

setUsagePeriod

public UsagePeriod setUsagePeriod(UsagePeriod period)

Sets the usage period of the respective operation.

After expiry the accounting layer will remove this operation

Parameters:

period - the usage period in which the operation is valid

Returns:

the previously set usage period

isInUsagePeriod

public boolean isInUsagePeriod()

Checks if the operation is within its usage period.

This method is called by the accounting layer when searching for expired operations.

Specified by:

isInUsagePeriod in interface Operation

Returns:

true if the operation did not expire yet.

execute

public abstract int[] execute(int[] id)

Description copied from interface: Operation

Executes the operation and sets at least the provided set of id.

This operation might trigger to execute prerequisiting operations.

Specified by:

execute in interface Operation

Parameters:

id - the namespace id to be set minimally

Returns:

array representing all ids which have been set