org.demac.process.base.extension
Class ExtendedExecutionService

java.lang.Object
  org.demac.process.base.extension.ExtensionModule
      org.demac.process.base.extension.ExtendedExecutionService

All Implemented Interfaces:

Service

public abstract class ExtendedExecutionService
extends ExtensionModule

Extension of the org.demac.process.base.exe.BaseExecutionService, executing more complex control flows. It handles the execution of org.demac.process.base.dpdl.TransitionRestrictions such as org.demac.process.base.dpdl.Splits and org.demac.process.base.dpdl.Joins and the execution of parallel threads. It is implemented as a singleton.

Field Summary

static java.lang.String	manualType
static java.lang.String	subflowType
static java.lang.String	transitionRestrictionType

Fields inherited from class org.demac.process.base.extension.ExtensionModule

STATUS_EXECUTION_DONE, STATUS_MIGRATE_TO_OTHER, STATUS_WAIT_FOR_EVENT

Constructor Summary

ExtendedExecutionService()

Method Summary

abstract boolean	execute(DataSet ds, java.lang.String type) Method to execute a Process which needs special control flow support
java.lang.String	getId()
static ExtensionModule	getInstance()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.demac.Service

isStarted, start, stop

Field Detail

transitionRestrictionType

public static final java.lang.String transitionRestrictionType

See Also:

Constant Field Values

subflowType

public static final java.lang.String subflowType

See Also:

Constant Field Values

manualType

public static final java.lang.String manualType

See Also:

Constant Field Values

Constructor Detail

ExtendedExecutionService

public ExtendedExecutionService()

Method Detail

getInstance

public static ExtensionModule getInstance()

Returns:

the instance of the org.demac.process.base.extension.ExtendedExecutionService

getId

public java.lang.String getId()

Specified by:

getId in class ExtensionModule

Returns:

the identifier of the org.demac.process.base.extension.ExtensionModule.

See Also:

ExtensionModule.getId()

execute

public abstract boolean execute(DataSet ds,
                                java.lang.String type)
                         throws java.lang.Exception

Method to execute a Process which needs special control flow support

Specified by:

execute in class ExtensionModule

Parameters:

type - a possible description to specify the handling of the object to execute (if there is more than one possibility to execute it).

ds - the dataset containing process to be executed.

Returns:

true if the special control flow was performed successfully.

Throws:

java.lang.Exception