com.bea.wli.config.task.impl

Class GetChangeHistoryTask

java.lang.Object

com.bea.wli.config.task.impl.SessionedTask<java.util.List<ChangeRecord>>

com.bea.wli.config.task.impl.GetChangeHistoryTask

All Implemented Interfaces:

java.util.concurrent.Callable<java.util.List<ChangeRecord>>

public class GetChangeHistoryTask
extends SessionedTask<java.util.List<ChangeRecord>>

Task for obtaining change history for a particular resource. The history is derived from the execution records and may not be available if the execution history has been purged.

Three kinds of change history can be obtained for a resource, which is governed by the value of the ChangeRecord.ChangeHistoryType parameter.

See Also:

ChangeRecord.ChangeHistoryType

Constructor Summary

Constructors

Constructor and Description
GetChangeHistoryTask(Ref ref, ChangeRecord.ChangeHistoryType historyType, int resultSize)

Method Summary

Modifier and Type	Method and Description
protected java.util.List<ChangeRecord>	_execute() Subclasses implement this method
static java.util.List<ChangeRecord>	getChangeHistory(ConfigService configService, java.lang.String session, Ref ref, ChangeRecord.ChangeHistoryType historyType, int resultSize) Returns a list of ChangeRecord objecs that describe changes made to a particular resource.

Methods inherited from class com.bea.wli.config.task.impl.SessionedTask

assertExists, assertLocation, assertNONResource, assertNotExists, assertNotLocationData, assertNotNull, assertNotNullElement, assertResource, assertSimple, call, doExecute, doExecute, doExecute, doExecute, expand, getConfigContext, getConfigMBean, getConfigService, getDescription, getSession, isLocation, isReadOnlyTransaction, requiresSystemTransaction

Methods inherited from class java.lang.Object

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

Constructor Detail

GetChangeHistoryTask

public GetChangeHistoryTask(Ref ref,
                            ChangeRecord.ChangeHistoryType historyType,
                            int resultSize)

Parameters:

ref - resource for which to return the changes

historyType - the type of history to return

resultSize - the number of results to return. If historyType is ChangeRecord.ChangeHistoryType#Progressive, the first resultSize changes are returned. Otherwise the most recent resultSize changes are returned

Method Detail

getChangeHistory

public static java.util.List<ChangeRecord> getChangeHistory(ConfigService configService,
                                                            java.lang.String session,
                                                            Ref ref,
                                                            ChangeRecord.ChangeHistoryType historyType,
                                                            int resultSize)
                                                     throws java.lang.Exception

Returns a list of ChangeRecord objecs that describe changes made to a particular resource.

Parameters:

configService -

session -

ref - the reference to the resource

historyType - the history type. ChangeRecord.ChangeHistoryType

resultSize - the number of results to return. If historyType is ChangeRecord.ChangeHistoryType#Progressive, the first resultSize changes are returned. Otherwise the most recent resultSize changes are returned

Returns:

Throws:

java.lang.Exception

_execute

protected java.util.List<ChangeRecord> _execute()
                                         throws java.lang.Exception

Description copied from class: SessionedTask

Subclasses implement this method

Specified by:

_execute in class SessionedTask<java.util.List<ChangeRecord>>

Returns:

the result of the execution

Throws:

java.lang.Exception