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## org.springframework.webflow.engine.model
Class PersistenceContextModel

    java.lang.Object
      org.springframework.webflow.engine.model.AbstractModel
          org.springframework.webflow.engine.model.PersistenceContextModel

All Implemented Interfaces:
  Model

    public class PersistenceContextModel

extends AbstractModel

Model support for persistence context elements.

Allocates a persistence context when this flow starts. The persistence context is closed when the flow ends. If the flow ends by reaching a "commit" end-state, changes made to managed persistent entities during the course of flow execution are flushed to the database in a transaction.

The persistence context can be referenced from within this flow by the "entityManager" variable.

Author:
  Scott Andrews

Constructor Summary
`PersistenceContextModel()` Create a persistence context model

Method Summary
`Model` | `createCopy()` Create a deep copy of this model.
`boolean` | `isMergeableWith(Model model)` Determine if the model is able to be merged into the current model
`void` | `merge(Model model)` Merge the model into the current model

Methods inherited from class org.springframework.webflow.engine.model.AbstractModel
`copy, copyList, merge, merge, merge, merge, merge`

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

Constructor Detail

### PersistenceContextModel

    public PersistenceContextModel()

  Create a persistence context model

Method Detail

### isMergeableWith

    public boolean isMergeableWith(Model model)

  Description copied from interface: `Model`
  Determine if the model is able to be merged into the current model

  Parameters:
    `model` - the model to compare
  Returns:
    true if able to merge

### merge

    public void merge(Model model)

  Description copied from interface: `Model`
  Merge the model into the current model

  Parameters:
    `model` - the model to merge with

### createCopy

    public Model createCopy()

  Description copied from interface: `Model`
  Create a deep copy of this model. Needed when merging models and collections.

  Returns:
    a deep copy of this model

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