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## com.tonbeller.jpivot.olap.model
Class CachingOlapModel

    java.lang.Object
      com.tonbeller.jpivot.core.ExtensionSupport
          com.tonbeller.jpivot.olap.model.OlapModelDecorator
              com.tonbeller.jpivot.olap.model.CachingOlapModel

All Implemented Interfaces:
  Extension, Model, ModelChangeListener, OlapModel, com.tonbeller.wcf.bookmarks.Bookmarkable, java.util.EventListener

    public class CachingOlapModel

extends OlapModelDecorator
implements ModelChangeListener

An OlapModel decorator that caches the result

Author:
  av

Nested Class Summary

Nested classes/interfaces inherited from interface com.tonbeller.jpivot.olap.model.OlapModel
`OlapModel.EmptyCubeException, OlapModel.ResultTooLargeException`

Field Summary

Fields inherited from class com.tonbeller.jpivot.olap.model.OlapModelDecorator
`delegate`

Fields inherited from interface com.tonbeller.wcf.bookmarks.Bookmarkable
`EXTENSIONAL, INTENSIONAL`

Constructor Summary
`CachingOlapModel()`

Method Summary
`Model` | `decorate(Model modelToDecorate)` decorates the `modelToDecorate` with this
`Result` | `getResult()` runs the query and returns the result
`void` | `modelChanged(ModelChangeEvent e)` invalidates the current result
`void` | `structureChanged(ModelChangeEvent e)` invalidates the current result

Methods inherited from class com.tonbeller.jpivot.olap.model.OlapModelDecorator
`addExtension, addModelChangeListener, destroy, getBookmarkState, getDelegate, getDimensions, getExtension, getExtensions, getID, getMeasures, getRootModel, getTopDecorator, initialize, removeModelChangeListener, setBookmarkState, setDelegate, setID, setLocale, setServletContext`

Methods inherited from class com.tonbeller.jpivot.core.ExtensionSupport
`getId, getModel, modelInitialized, setId, setModel`

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

Constructor Detail

### CachingOlapModel

    public CachingOlapModel()

Method Detail

### modelChanged

    public void modelChanged(ModelChangeEvent e)

  invalidates the current result

  Specified by:
    `modelChanged` in interface `ModelChangeListener`

### structureChanged

    public void structureChanged(ModelChangeEvent e)

  invalidates the current result

  Specified by:
    `structureChanged` in interface `ModelChangeListener`

### getResult

    public Result getResult()
                     throws OlapException

  Description copied from interface: `OlapModel`
  runs the query and returns the result

  Specified by:
    `getResult` in interface `OlapModel`
  Overrides:
    `getResult` in class `OlapModelDecorator`
  Throws:
    `OlapException`

### decorate

    public Model decorate(Model modelToDecorate)

  Description copied from class: `OlapModelDecorator`
  decorates the `modelToDecorate` with this

  Specified by:
    `decorate` in interface `Extension`
  Overrides:
    `decorate` in class `OlapModelDecorator`
  Parameters:
    `modelToDecorate` - the model to decorate. It may be different from the model passed to setModel() because other extensions may already have decorated modelToDecorate.
  See Also:
    `Extension.decorate(Model)`

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