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## org.eclipse.birt.report.model.api.impl
Class DesignEngineImpl

    java.lang.Object
      org.eclipse.birt.report.model.api.impl.DesignEngineImpl

All Implemented Interfaces:
  IDesignEngine

    public class DesignEngineImpl

extends java.lang.Object
implements IDesignEngine

Implementation of DesignEngine.

Field Summary
`protected static java.util.logging.Logger` | `errorLogger` The logger for errors.

Constructor Summary
`DesignEngineImpl(DesignConfig config)` Constructs a DesignEngine with the given platform config.

Method Summary
`IMetaDataDictionary` | `getMetaData()` Gets the meta-data of the design engine.
`SessionHandle` | `newSessionHandle(com.ibm.icu.util.ULocale locale)` Creates a new design session handle.
`IReportDesign` | `openDesign(java.lang.String fileName, java.io.InputStream ins, IModuleOption options)` Opens the report design.
`void` | `registerMetaLogger(IMetaLogger newLogger)` Registers a `IMetaLogger` to record initialization errors.
`boolean` | `removeMetaLogger(IMetaLogger logger)` Removes a `IMetaLogger`.

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

Field Detail

### errorLogger

    protected static java.util.logging.Logger errorLogger

  The logger for errors.

Constructor Detail

### DesignEngineImpl

    public DesignEngineImpl(DesignConfig config)

  Constructs a DesignEngine with the given platform config.

  Parameters:
    `config` - the platform config.

Method Detail

### newSessionHandle

    public SessionHandle newSessionHandle(com.ibm.icu.util.ULocale locale)

  Creates a new design session handle. The application uses the handle to open, create and manage designs. The session also represents the user and maintains the user's locale information.

  Specified by:
    `newSessionHandle` in interface `IDesignEngine`
  Parameters:
    `locale` - the user's locale. If `null`, uses the system locale.
  Returns:
    the design session handle
  See Also:
    `SessionHandle`

### getMetaData

    public IMetaDataDictionary getMetaData()

  Gets the meta-data of the design engine.

  Specified by:
    `getMetaData` in interface `IDesignEngine`
  Returns:
    the meta-data of the design engine.

### registerMetaLogger

    public void registerMetaLogger(IMetaLogger newLogger)

  Registers a `IMetaLogger` to record initialization errors. The logger will be notified of the errors during meta-data initialization. The meta-data system will be initialized once (and only once). Loggers should be registered before the first time a session is created so that it can be notified of the logging actions.

  Specified by:
    `registerMetaLogger` in interface `IDesignEngine`
  Parameters:
    `newLogger` - the `MetaLogger` to be registered.
  See Also:
    `removeMetaLogger(IMetaLogger)`

### removeMetaLogger

    public boolean removeMetaLogger(IMetaLogger logger)

  Removes a `IMetaLogger`. This method will remove the logger from the list and close the logger if it has already been registered. The logger will no longer be notified of the errors during metadata initialization. Returns `true` if this logger manager contained the specified logger.

  Specified by:
    `removeMetaLogger` in interface `IDesignEngine`
  Parameters:
    `logger` - the `MetaLogger` to be removed.
  Returns:
    `true` if this logger manager contained the specified logger.
  See Also:
    `registerMetaLogger(IMetaLogger)`

### openDesign

    public IReportDesign openDesign(java.lang.String fileName,
                                    java.io.InputStream ins,
                                    IModuleOption options)
                             throws DesignFileException

  Opens the report design.

  Specified by:
    `openDesign` in interface `IDesignEngine`
  Parameters:
    `fileName` - the report file name
    `ins` - the input stream. Can be `null`.
    `options` - options to control the way to open the design
  Returns:
    the report design instance
  Throws:
    `DesignFileException` - if the report file cannot be found or the file is invalid.

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Copyright © 2008 Actuate Corp. All rights reserved.