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## org.apache.uima.resource
Class ConfigurableResource_ImplBase

    java.lang.Object
      org.apache.uima.resource.Resource_ImplBase
          org.apache.uima.resource.ConfigurableResource_ImplBase

All Implemented Interfaces:
  ConfigurableResource, Resource

Direct Known Subclasses:
  CasConsumer_ImplBase, CasDataCollectionReader_ImplBase, CasDataConsumer_ImplBase, CasDataInitializer_ImplBase, CasInitializer_ImplBase, CollectionReader_ImplBase

    public abstract class ConfigurableResource_ImplBase

extends Resource_ImplBase
implements ConfigurableResource

Implementation base class for `ConfigurableResource`s. Provides access to configuration parameters as well as basic reconfiguration capability. Subclasses should override the `initialize` and `reconfigure` methods to read specific configuration parameters (after calling `super.initialize` or `super.reconfigure`).

Field Summary

Fields inherited from interface org.apache.uima.resource.Resource
`PARAM_AGGREGATE_SOFA_MAPPINGS, PARAM_CONFIG_PARAM_SETTINGS, PARAM_PERFORMANCE_TUNING_SETTINGS, PARAM_RESOURCE_MANAGER, PARAM_UIMA_CONTEXT`

Constructor Summary
`ConfigurableResource_ImplBase()`

Method Summary
`Object` | `getConfigParameterValue(String aParamName)` Looks up the value of a configuration parameter.
`Object` | `getConfigParameterValue(String aGroupName, String aParamName)` Looks up the value of a configuration parameter in a group.
`void` | `reconfigure()` Instructs this Resource to re-read its configuration parameter settings.
`void` | `setConfigParameterValue(String aParamName, Object aValue)` Sets the value of a configuration parameter.
`void` | `setConfigParameterValue(String aGroupName, String aParamName, Object aValue)` Sets the value of a configuration parameter in a group.

Methods inherited from class org.apache.uima.resource.Resource_ImplBase
`destroy, getCasManager, getLogger, getMetaData, getResourceManager, getUimaContext, getUimaContextAdmin, initialize, setLogger, setMetaData`

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

Methods inherited from interface org.apache.uima.resource.Resource
`destroy, getLogger, getMetaData, getResourceManager, getUimaContext, getUimaContextAdmin, initialize, setLogger`

Constructor Detail

### ConfigurableResource_ImplBase

    public ConfigurableResource_ImplBase()

Method Detail

### getConfigParameterValue

    public Object getConfigParameterValue(String aParamName)

  Description copied from interface: `ConfigurableResource`
  Looks up the value of a configuration parameter. This method will only return the value of a parameter that is not defined in any group.

  This method returns `null` if the parameter is optional and has not been assigned a value. (For mandatory parameters, an exception is thrown during initialization if no value has been assigned.) This method also returns `null` if there is no declared configuration parameter with the specified name.

  Specified by:
    `getConfigParameterValue` in interface `ConfigurableResource`
  Parameters:
    `aParamName` - the name of a parameter that is not in any group
  Returns:
    the value of the parameter with name `aParamName`, `null` is either the parameter does not exist or it has not been assigned a value.
  See Also:
    `ConfigurableResource.getConfigParameterValue(java.lang.String)`

### getConfigParameterValue

    public Object getConfigParameterValue(String aGroupName,
                                          String aParamName)

  Description copied from interface: `ConfigurableResource`
  Looks up the value of a configuration parameter in a group. If the parameter has no value assigned within the group, fallback strategies will be followed.

  This method returns `null` if the parameter is optional and has not been assigned a value. (For mandatory parameters, an exception is thrown during initialization if no value has been assigned.) This method also returns `null` if there is no declared configuration parameter with the specified name.

  Specified by:
    `getConfigParameterValue` in interface `ConfigurableResource`
  Parameters:
    `aGroupName` - the name of a configuration group. If the group name is `null`, this method will return the same value as `getParameterValue(String)`.``
    `aParamName` - the name of a parameter in the group
  Returns:
    the value of the parameter in group `aGroupName` with name `aParamName`,,`null` is either the parameter does not exist or it has not been assigned a value.
  See Also:
    `ConfigurableResource.getConfigParameterValue(java.lang.String, java.lang.String)`

### setConfigParameterValue

    public void setConfigParameterValue(String aParamName,
                                        Object aValue)

  Description copied from interface: `ConfigurableResource`
  Sets the value of a configuration parameter. This only works for a parameter that is not defined in any group. Note that there is no guarantee that the change will take effect until `ConfigurableResource.reconfigure()` is called.

  Specified by:
    `setConfigParameterValue` in interface `ConfigurableResource`
  Parameters:
    `aParamName` - the name of a parameter that is not in any group
    `aValue` - the value to assign to the parameter
  See Also:
    `ConfigurableResource.setConfigParameterValue(java.lang.String, java.lang.Object)`

### setConfigParameterValue

    public void setConfigParameterValue(String aGroupName,
                                        String aParamName,
                                        Object aValue)

  Description copied from interface: `ConfigurableResource`
  Sets the value of a configuration parameter in a group. Note that there is no guarantee that the change will take effect until `ConfigurableResource.reconfigure()` is called.

  Specified by:
    `setConfigParameterValue` in interface `ConfigurableResource`
  Parameters:
    `aGroupName` - the name of a configuration group. If this parameter is `null`, this method will have the same effet as `setParameterValue(String,Object)`.``
    `aParamName` - the name of a parameter in the group
    `aValue` - the value to assign to the parameter.
  See Also:
    `ConfigurableResource.setConfigParameterValue(java.lang.String, java.lang.String, java.lang.Object)`

### reconfigure

    public void reconfigure()
                     throws ResourceConfigurationException

  Description copied from interface: `ConfigurableResource`
  Instructs this Resource to re-read its configuration parameter settings.

  Specified by:
    `reconfigure` in interface `ConfigurableResource`
  Throws:
    `ResourceConfigurationException` - if the configuration is not valid
  See Also:
    `ConfigurableResource.reconfigure()`

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Copyright © 2007 The Apache Software Foundation. All Rights Reserved.