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## org.apache.ode.bpel.pmapi
Interface InstanceManagement

All Known Subinterfaces:
  BpelManagementFacade, ProcessManagementConnection

All Known Implementing Classes:
  BpelManagementFacadeImpl, ProcessAndInstanceManagementImpl

    public interface InstanceManagement

Interface to managing process instances.

Method Summary
`java.util.Collection<java.lang.Long>` | `delete(java.lang.String filter)` Delete the process instances matching the given filter.
`InstanceInfoDocument` | `fault(java.lang.Long iid, javax.xml.namespace.QName faultname, org.w3c.dom.Element faultData)` Causes the process instance to complete unsuccessfully by throwing the specified fault in the global scope.
`java.util.List<java.lang.String>` | `getEventTimeline(java.lang.String instanceFilter, java.lang.String eventFilter)` Retrieve a timeline of BPEL events.
`InstanceInfoDocument` | `getInstanceInfo(java.lang.Long iid)` Get an instance by id.
`ScopeInfoDocument` | `getScopeInfo(java.lang.String siid)` Get info about a scope instance by id, not including activity info.
`ScopeInfoDocument` | `getScopeInfoWithActivity(java.lang.String siid, boolean activityInfo)` Get info about a scope instance by id, optionally including activity info.
`VariableInfoDocument` | `getVariableInfo(java.lang.String scopeId, java.lang.String varName)` Get info about a variable.
`InstanceInfoListDocument` | `listAllInstances()` Deprecated. As of Ode 1.3, this method is deprecated in favor of listInstancesSummary(filter, order, limit)
`InstanceInfoListDocument` | `listAllInstancesWithLimit(int limit)` Deprecated. As of Ode 1.3, this method is deprecated in favor of listInstancesSummary(filter, order, limit)
`EventInfoListDocument` | `listEvents(java.lang.String instanceFilter, java.lang.String eventFilter, int maxCount)` Retrieve BPEL events.
`InstanceInfoListDocument` | `listInstances(java.lang.String filter, java.lang.String order, int limit)` Retrieve and returns information about all, or some process instances.
`InstanceInfoListDocument` | `listInstancesSummary(java.lang.String filter, java.lang.String order, int limit)` List instances and only return summary information about the instance, combined with all correlation properties.
`InstanceInfoListDocument` | `queryInstances(java.lang.String query)` Deprecated. use listInstances instead
`InstanceInfoDocument` | `recoverActivity(java.lang.Long iid, java.lang.Long aid, java.lang.String action)` Performs an activity recovery action.
`InstanceInfoDocument` | `resume(java.lang.Long iid)` Resume the (previously suspended) instance.
`InstanceInfoDocument` | `suspend(java.lang.Long iid)` Changes the process state from active to suspended.
`InstanceInfoDocument` | `terminate(java.lang.Long iid)` Causes the process instance to terminate immediately, without a chance to perform any fault handling or compensation.

Method Detail

### listInstances

    InstanceInfoListDocument listInstances(java.lang.String filter,
                                           java.lang.String order,
                                           int limit)

  Retrieve and returns information about all, or some process instances. The request identifies the process instances using a filter that can select instances with a given name, status, property values, etc. Without a filter, the operation returns all process instances up to a specified `limit<.code>. The request also indicates which key fields to use for ordering the results.`

  The filter element can be used to narrow down the list of process definitions by applying selection criteria. There are six filters that can be applied:

  - name -- Only process instances with this local name.

  - namespace -- Only process instances with this namespace URI.

  - status -- Only process instances with these status code(s).

  - started -- Only process instances started relative to this date/time.

  - last-active -- Only process instances last active relative to this date/time.

  - $property -- Only process instances with a correlation property equal to the specified value.

  The name and namespace filters can do full or partial name matching. Partial matching occurs if either filter ends with an asterisk (*). These filters are not case sensitive, for example name=my* will match MyProcess and my-process. If unspecified, the default filter is name=* namespace=*.

  The status filter can be used to filter all process definitions based on six status codes:

  - active -- All currently active process instances (excludes instances in any other state).

  - suspended -- All process instances that have not completed, but are currently suspended.

  - error -- All process instances that have not completed, but are currently indicate an error condition.

  - completed -- All successfully completed process instances (excludes instances in any other state).

  - terminated -- All process instances that were terminated.

  - faulted -- All process instances that encountered a fault (in the global scope).

  The started filter can be used to filter all process instances started on or after a particular date or date/time instant. The value of this filter is either an ISO-8601 date or ISO-8601 date/time. For example, to find all process instances started on or after September 1, 2005, use started>=20050901. Similarly, the last-active filter can be used to filter all process instances based on their last active time. The last active time records when the process last completed performing work, and either completed or is now waiting to receive a message, a timeout or some other event.

  Each process instance has one or more properties that are set its instantiation, that can be used to distinguish it from other process instances. In this version of the specification, we only support properties instantiated as part of correlation sets defined in the global scope of the process. For example, if a process instantiates a correlation set that uses the property order-id, it is possible to filter that process instance based on the value of that property.

  The property name is identified by the prefix $. If the property name is an NCName, the filter will match all properties with that local name. If the property name is {namespace}local, the filter will match all properties with the specified namespace URI and local name. For example, to retrieve a list of all active process instances with a property order-id that has the value 456, use status=active $order-id=456.

  By default the response returns process instances in no particular order. The order element can be used to order the results by specifying a space-separated list of keys. Each key can be prefixed with a plus sign '+' to specify ascending order, or a '-' minus sign to specify descending order. Without a sign the default behavior is to return process instances in ascending order. The currently supported odering keys are:

  - pid

  -- Order based on the process identifier.

  - name

  -- Order based on the local name of the process instance.

  - namespace

  -- Order based on the namespace URI of the process instance.

  - version

  -- Order based on the version number.

  - status

  -- Order based on the status of the process instance.

  - started

  -- Order based on the process instance start date/time.

  - last-active

  -- Order based on the process instance last active date/time.

  Parameters:
    `filter` - filter string
    `order` - order keys
    `limit` - maximum number of instances to return
  Returns:
    list of matching instances

### listInstancesSummary

    InstanceInfoListDocument listInstancesSummary(java.lang.String filter,
                                                  java.lang.String order,
                                                  int limit)

  List instances and only return summary information about the instance, combined with all correlation properties.

  Parameters:
    `filter` - See listInstances' filter argument
    `order` - See listInstances' order argument
    `limit` - maximum number of instances to return
  Returns:
    list of matching instances

### queryInstances

    InstanceInfoListDocument queryInstances(java.lang.String query)

  Deprecated. use listInstances instead

### listAllInstances

    InstanceInfoListDocument listAllInstances()

  Deprecated. As of Ode 1.3, this method is deprecated in favor of listInstancesSummary(filter, order, limit)

  List all instances in the default (database) order.

  Returns:
    list of matching instances
  See Also:
    `listInstances(String, String, int)`

### listAllInstancesWithLimit

    InstanceInfoListDocument listAllInstancesWithLimit(int limit)

  Deprecated. As of Ode 1.3, this method is deprecated in favor of listInstancesSummary(filter, order, limit)

  List up to `limit` instances in the default (database) order.

  Parameters:
    `limit` - maximum number of instances to return
  Returns:
    list of matching instances
  See Also:
    `listInstances(String, String, int)`

### getInstanceInfo

    InstanceInfoDocument getInstanceInfo(java.lang.Long iid)
                                         throws InstanceNotFoundException

  Get an instance by id.

  Parameters:
    `iid` -
  Returns:
    information about a specific instance
  Throws:
    `InstanceNotFoundException`

### getScopeInfo

    ScopeInfoDocument getScopeInfo(java.lang.String siid)

  Get info about a scope instance by id, not including activity info.

  Parameters:
    `siid` - scope instance identifier
  Returns:
    information about a specific scope instance
  See Also:
    `getScopeInfoWithActivity(String, boolean)`

### getScopeInfoWithActivity

    ScopeInfoDocument getScopeInfoWithActivity(java.lang.String siid,
                                               boolean activityInfo)

  Get info about a scope instance by id, optionally including activity info.

  Parameters:
    `siid` - scope instance identifier
    `activityInfo` - if `true`, include activity info
  Returns:
    information about a specific scope instance

### getVariableInfo

    VariableInfoDocument getVariableInfo(java.lang.String scopeId,
                                         java.lang.String varName)

  Get info about a variable.

  Parameters:
    `scopeId` - scope identifier
    `varName` - variable name
  Returns:
    information about variable (basically the value)

### listEvents

    EventInfoListDocument listEvents(java.lang.String instanceFilter,
                                     java.lang.String eventFilter,
                                     int maxCount)

  Retrieve BPEL events. One may specify an "instance filter" and an "event filter" to limit the number of events returned. The instance filter takes the exact same syntax as for the `listInstances(String, String, int)` method. The "event filter" employs a similar syntax; the following properties may be filtered:
  1. type - the event type
  2. tstamp - the event timestamp

  Parameters:
    `instanceFilter` - instance filter (if set,return only events for matching instances)
    `eventFilter` - event filter (event type and data range)
  Returns:
    list of events

### getEventTimeline

    java.util.List<java.lang.String> getEventTimeline(java.lang.String instanceFilter,
                                                      java.lang.String eventFilter)

  Retrieve a timeline of BPEL events.

  Parameters:
    `instanceFilter` - instance filter (if set,return only events for matching instances)
    `eventFilter` - event filter (event type and data range)
  Returns:
    list of stringified dates (in ISO format)

### suspend

    InstanceInfoDocument suspend(java.lang.Long iid)

  Changes the process state from active to suspended. this affects process instances that are in the active or error states.

  Parameters:
    `iid` - instance id
  Returns:
    post-change instance information

### resume

    InstanceInfoDocument resume(java.lang.Long iid)

  Resume the (previously suspended) instance. This operation only affects process instances that are in the suspended state.

  Parameters:
    `iid` - instance id
  Returns:
    post-change instance information

### terminate

    InstanceInfoDocument terminate(java.lang.Long iid)

  Causes the process instance to terminate immediately, without a chance to perform any fault handling or compensation. The process transitions to the terminated state. It only affects process instances that are in the active, suspended or error states.

  Parameters:
    `iid` - instance id
  Returns:
    post-change instance information

### fault

    InstanceInfoDocument fault(java.lang.Long iid,
                               javax.xml.namespace.QName faultname,
                               org.w3c.dom.Element faultData)

  Causes the process instance to complete unsuccessfully by throwing the specified fault in the global scope. The process is able to perform recovery using a fault handler in the global scope, through termination handlers in nested scopes and by invoking installed compensation handlers. The process will transition to the faulted state.

  Parameters:
    `iid` - instance id
    `faultname` - name of the fault
    `faultData` - fault data
  Returns:
    post-change instance information

### delete

    java.util.Collection<java.lang.Long> delete(java.lang.String filter)

  Delete the process instances matching the given filter.

  Parameters:
    `filter` - instance filter (see `listInstances(String, String, int)` ).
  Returns:
    collection of instances identfiers, corresponding to deleted instances

### recoverActivity

    InstanceInfoDocument recoverActivity(java.lang.Long iid,
                                         java.lang.Long aid,
                                         java.lang.String action)

  Performs an activity recovery action.

  Parameters:
    `iid` - instance id (process)
    `aiid` - instance id (activity)
    `action` - recovery action (e.g. retry, fault)
  Returns:
    post-change instance information

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