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## org.jbpm.graph.exe
Class ProcessInstance

    java.lang.Object
      org.jbpm.graph.exe.ProcessInstance

All Implemented Interfaces:
  java.io.Serializable

    public class ProcessInstance

extends java.lang.Object
implements java.io.Serializable

is one execution of a `ProcessDefinition`. To create a new process execution of a process definition, just use the `ProcessInstance(ProcessDefinition)`.

See Also:
  Serialized Form

Field Summary
`protected java.util.List` | `cascadeProcessInstances` not persisted
`protected java.util.Date` | `end`
`protected java.util.Map` | `instances`
`protected boolean` | `isSuspended`
`protected java.lang.String` | `key`
`protected ProcessDefinition` | `processDefinition`
`protected Token` | `rootToken`
`protected java.util.List` | `runtimeActions`
`protected java.util.Date` | `start`
`protected Token` | `superProcessToken`
`protected java.util.Map` | `transientInstances`

Constructor Summary
`ProcessInstance()`
`ProcessInstance(ProcessDefinition processDefinition)` creates a new process instance for the given process definition, puts the root-token (=main path of execution) in the start state and executes the initial node.
`ProcessInstance(ProcessDefinition processDefinition, java.util.Map variables)` creates a new process instance for the given process definition, puts the root-token (=main path of execution) in the start state and executes the initial node.

Method Summary
`ModuleInstance` | `addInstance(ModuleInstance moduleInstance)` adds the given optional moduleinstance (bidirectional).
`RuntimeAction` | `addRuntimeAction(RuntimeAction runtimeAction)` adds an action to be executed upon a process event in the future.
`void` | `end()` ends (=cancels) this process instance and all the tokens in it.
`boolean` | `equals(java.lang.Object o)`
`java.util.List` | `findAllTokens()` collects all instances for this process instance.
`Token` | `findToken(java.lang.String tokenPath)` looks up the token in the tree, specified by the slash-separated token path.
`ContextInstance` | `getContextInstance()` process instance extension for process variableInstances.
`java.util.Date` | `getEnd()`
`long` | `getId()`
`ModuleInstance` | `getInstance(java.lang.Class clazz)` looks up an optional module instance by its class.
`java.util.Map` | `getInstances()`
`java.lang.String` | `getKey()` a unique business key
`LoggingInstance` | `getLoggingInstance()` process instance extension for logging.
`ProcessDefinition` | `getProcessDefinition()`
`Token` | `getRootToken()`
`java.util.List` | `getRuntimeActions()` is the list of all runtime actions.
`java.util.Date` | `getStart()`
`Token` | `getSuperProcessToken()`
`TaskMgmtInstance` | `getTaskMgmtInstance()` process instance extension for managing the tasks and actors.
`int` | `getVersion()`
`boolean` | `hasEnded()` tells if this process instance is still active or not.
`boolean` | `isSuspended()`
`boolean` | `isTerminatedImplicitly()` calculates if this process instance has still options to continue.
`java.util.Collection` | `removeCascadeProcessInstances()`
`ModuleInstance` | `removeInstance(ModuleInstance moduleInstance)` removes the given optional moduleinstance (bidirectional).
`RuntimeAction` | `removeRuntimeAction(RuntimeAction runtimeAction)` removes a runtime action.
`void` | `resume()` resumes a suspended execution.
`void` | `setEnd(java.util.Date end)`
`void` | `setKey(java.lang.String key)` set the unique business key
`void` | `setProcessDefinition(ProcessDefinition processDefinition)`
`void` | `setRootToken(Token rootToken)`
`void` | `setStart(java.util.Date start)`
`void` | `setSuperProcessToken(Token superProcessToken)`
`void` | `setVersion(int version)`
`void` | `signal()` instructs the main path of execution to continue by taking the default transition on the current node.
`void` | `signal(java.lang.String transitionName)` instructs the main path of execution to continue by taking the specified transition on the current node.
`void` | `signal(Transition transition)` instructs the main path of execution to continue by taking the specified transition on the current node.
`void` | `suspend()` suspends this execution.

Methods inherited from class java.lang.Object
`clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### key

    protected java.lang.String key

### start

    protected java.util.Date start

### end

    protected java.util.Date end

### processDefinition

    protected ProcessDefinition processDefinition

### rootToken

    protected Token rootToken

### superProcessToken

    protected Token superProcessToken

### isSuspended

    protected boolean isSuspended

### instances

    protected java.util.Map instances

### transientInstances

    protected java.util.Map transientInstances

### runtimeActions

    protected java.util.List runtimeActions

### cascadeProcessInstances

    protected java.util.List cascadeProcessInstances

  not persisted

Constructor Detail

### ProcessInstance

    public ProcessInstance()

### ProcessInstance

    public ProcessInstance(ProcessDefinition processDefinition)

  creates a new process instance for the given process definition, puts the root-token (=main path of execution) in the start state and executes the initial node. In case the initial node is a start-state, it will behave as a wait state. For each of the optional module definitions contained in the `ProcessDefinition`, the corresponding module instance will be created.

  Throws:
    `JbpmException` - if processDefinition is null.

### ProcessInstance

    public ProcessInstance(ProcessDefinition processDefinition,
                           java.util.Map variables)

  creates a new process instance for the given process definition, puts the root-token (=main path of execution) in the start state and executes the initial node. In case the initial node is a start-state, it will behave as a wait state. For each of the optional module definitions contained in the `ProcessDefinition`, the corresponding module instance will be created.

  Parameters:
    `initialVariables` - will be inserted into the context variables after the context submodule has been created and before the process-start event is fired, which is also before the execution of the initial node.
  Throws:
    `JbpmException` - if processDefinition is null.

Method Detail

### addInstance

    public ModuleInstance addInstance(ModuleInstance moduleInstance)

  adds the given optional moduleinstance (bidirectional).

### removeInstance

    public ModuleInstance removeInstance(ModuleInstance moduleInstance)

  removes the given optional moduleinstance (bidirectional).

### getInstance

    public ModuleInstance getInstance(java.lang.Class clazz)

  looks up an optional module instance by its class.

### getContextInstance

    public ContextInstance getContextInstance()

  process instance extension for process variableInstances.

### getTaskMgmtInstance

    public TaskMgmtInstance getTaskMgmtInstance()

  process instance extension for managing the tasks and actors.

### getLoggingInstance

    public LoggingInstance getLoggingInstance()

  process instance extension for logging. Probably you don't need to access the logging instance directly. Mostly, `Token.addLog(ProcessLog)` is sufficient and more convenient.

### signal

    public void signal()

  instructs the main path of execution to continue by taking the default transition on the current node.

  Throws:
    `java.lang.IllegalStateException` - if the token is not active.

### signal

    public void signal(java.lang.String transitionName)

  instructs the main path of execution to continue by taking the specified transition on the current node.

  Throws:
    `java.lang.IllegalStateException` - if the token is not active.

### signal

    public void signal(Transition transition)

  instructs the main path of execution to continue by taking the specified transition on the current node.

  Throws:
    `java.lang.IllegalStateException` - if the token is not active.

### end

    public void end()

  ends (=cancels) this process instance and all the tokens in it.

### suspend

    public void suspend()

  suspends this execution. This will make sure that tasks, timers and messages related to this process instance will not show up in database queries.

  See Also:
    `resume()`

### resume

    public void resume()

  resumes a suspended execution. All timers that have been suspended might fire if the duedate has been passed. If an admin resumes a process instance, the option should be offered to update, remove and create the timers and messages related to this process instance.

  See Also:
    `suspend()()`

### addRuntimeAction

    public RuntimeAction addRuntimeAction(RuntimeAction runtimeAction)

  adds an action to be executed upon a process event in the future.

### removeRuntimeAction

    public RuntimeAction removeRuntimeAction(RuntimeAction runtimeAction)

  removes a runtime action.

### getRuntimeActions

    public java.util.List getRuntimeActions()

  is the list of all runtime actions.

### hasEnded

    public boolean hasEnded()

  tells if this process instance is still active or not.

### isTerminatedImplicitly

    public boolean isTerminatedImplicitly()

  calculates if this process instance has still options to continue.

### findToken

    public Token findToken(java.lang.String tokenPath)

  looks up the token in the tree, specified by the slash-separated token path.

  Parameters:
    `tokenPath` - is a slash-separated name that specifies a token in the tree.
  Returns:
    the specified token or null if the token is not found.

### findAllTokens

    public java.util.List findAllTokens()

  collects all instances for this process instance.

### removeCascadeProcessInstances

    public java.util.Collection removeCascadeProcessInstances()

### equals

    public boolean equals(java.lang.Object o)

  Overrides:
    `equals` in class `java.lang.Object`

### getId

    public long getId()

### getRootToken

    public Token getRootToken()

### getStart

    public java.util.Date getStart()

### getEnd

    public java.util.Date getEnd()

### getInstances

    public java.util.Map getInstances()

### getProcessDefinition

    public ProcessDefinition getProcessDefinition()

### getSuperProcessToken

    public Token getSuperProcessToken()

### setSuperProcessToken

    public void setSuperProcessToken(Token superProcessToken)

### isSuspended

    public boolean isSuspended()

### getVersion

    public int getVersion()

### setVersion

    public void setVersion(int version)

### setEnd

    public void setEnd(java.util.Date end)

### setProcessDefinition

    public void setProcessDefinition(ProcessDefinition processDefinition)

### setRootToken

    public void setRootToken(Token rootToken)

### setStart

    public void setStart(java.util.Date start)

### getKey

    public java.lang.String getKey()

  a unique business key

### setKey

    public void setKey(java.lang.String key)

  set the unique business key

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