Package org.opends.server.plugins

Class EntityTagPlugin

java.lang.Object

org.opends.server.api.plugin.DirectoryServerPlugin<EntityTagPluginCfg>

org.opends.server.plugins.EntityTagPlugin

All Implemented Interfaces:

ConfigurationChangeListener<EntityTagPluginCfg>

public final class EntityTagPlugin
extends DirectoryServerPlugin<EntityTagPluginCfg>
implements ConfigurationChangeListener<EntityTagPluginCfg>

This class implements a Directory Server plugin that will add an "entity tag" or "Etag" attribute to an entry whenever it is added, modified or imported. Entity tags are generated deterministically during import in order to ensure that LDIF files imported in parallel across multiple systems will have identical entity tags.

Constructor Summary

Constructors

Constructor	Description
EntityTagPlugin()

Method Summary

Modifier and Type	Method	Description
ConfigChangeResult	applyConfigurationChange(EntityTagPluginCfg configuration)	Applies the configuration changes to this change listener.
PluginResult.ImportLDIF	doLDIFImport(LDIFImportConfig importConfig, Entry entry)	Performs any necessary processing that should be done during an LDIF import operation immediately after reading an entry and confirming that it should be imported based on the provided configuration.
PluginResult.PreOperation	doPreOperation(PreOperationAddOperation addOperation)	Performs any necessary processing that should be done just before the Directory Server performs the core processing for an add operation.
PluginResult.PreOperation	doPreOperation(PreOperationModifyDNOperation modifyDNOperation)	Performs any necessary processing that should be done just before the Directory Server performs the core processing for a modify DN operation.
PluginResult.PreOperation	doPreOperation(PreOperationModifyOperation modifyOperation)	Performs any necessary processing that should be done just before the Directory Server performs the core processing for a modify operation.
void	finalizePlugin()	Performs any necessary finalization for this plugin.
void	initializePlugin(Set<PluginType> pluginTypes, EntityTagPluginCfg configuration)	Performs any initialization necessary for this plugin.
boolean	isConfigurationAcceptable(EntityTagPluginCfg cfg, List<LocalizableMessage> unacceptableReasons)	Indicates whether the provided configuration is acceptable for this plugin.
boolean	isConfigurationChangeAcceptable(EntityTagPluginCfg configuration, List<LocalizableMessage> unacceptableReasons)	Indicates whether the proposed change to the configuration is acceptable to this change listener.

Methods inherited from class org.opends.server.api.plugin.DirectoryServerPlugin

doLDIFImportBegin, doLDIFImportEnd, doPostCommit, doPostCommit, doPostCommit, doPostCommit, doPostConnect, doPostDisconnect, doPostOperation, doPostOperation, doPostOperation, doPostOperation, doPostOperation, doPostOperation, doPostOperation, doPostOperation, doPostOperation, doPostOperation, doPostResponse, doPostResponse, doPostResponse, doPostResponse, doPostResponse, doPostResponse, doPostResponse, doPostResponse, doPostSynchronization, doPostSynchronization, doPostSynchronization, doPostSynchronization, doPreOperation, doPreOperation, doPreOperation, doPreOperation, doPreOperation, doPreParse, doPreParse, doPreParse, doPreParse, doPreParse, doPreParse, doPreParse, doPreParse, doPreParse, doPreParse, doShutdown, doStartup, getPluginEntryDN, getPluginTypes, getServerContext, initializeInternal, invokeForInternalOperations, processIntermediateResponse, processSearchEntry, processSearchReference, processSubordinateDelete, processSubordinateModifyDN, setInvokeForInternalOperations

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EntityTagPlugin

public EntityTagPlugin()

Method Detail

initializePlugin

public void initializePlugin(Set<PluginType> pluginTypes,
                             EntityTagPluginCfg configuration)
                      throws ConfigException

Description copied from class: DirectoryServerPlugin

Performs any initialization necessary for this plugin. This will be called as soon as the plugin has been loaded and before it is registered with the server.

Specified by:

initializePlugin in class DirectoryServerPlugin<EntityTagPluginCfg>

Parameters:

pluginTypes - The set of plugin types that indicate the ways in which this plugin will be invoked.

configuration - The configuration for this plugin.

Throws:

ConfigException - If the provided entry does not contain a valid configuration for this plugin.

finalizePlugin

public void finalizePlugin()

Description copied from class: DirectoryServerPlugin

Performs any necessary finalization for this plugin. This will be called just after the plugin has been deregistered with the server but before it has been unloaded.

Overrides:

finalizePlugin in class DirectoryServerPlugin<EntityTagPluginCfg>

isConfigurationAcceptable

public boolean isConfigurationAcceptable(EntityTagPluginCfg cfg,
                                         List<LocalizableMessage> unacceptableReasons)

Description copied from class: DirectoryServerPlugin

Indicates whether the provided configuration is acceptable for this plugin. It should be possible to call this method on an uninitialized plugin instance in order to determine whether the plugin would be able to use the provided configuration.

Overrides:

isConfigurationAcceptable in class DirectoryServerPlugin<EntityTagPluginCfg>

Parameters:

cfg - The plugin configuration for which to make the determination.

unacceptableReasons - A list that may be used to hold the reasons that the provided configuration is not acceptable.

Returns:

true if the provided configuration is acceptable for this plugin, or false if not.

isConfigurationChangeAcceptable

public boolean isConfigurationChangeAcceptable(EntityTagPluginCfg configuration,
                                               List<LocalizableMessage> unacceptableReasons)

Description copied from interface: ConfigurationChangeListener

Indicates whether the proposed change to the configuration is acceptable to this change listener.

Specified by:

isConfigurationChangeAcceptable in interface ConfigurationChangeListener<EntityTagPluginCfg>

Parameters:

configuration - The new configuration containing the changes.

unacceptableReasons - A list that can be used to hold messages about why the provided configuration is not acceptable.

Returns:

Returns true if the proposed change is acceptable, or false if it is not.

applyConfigurationChange

public ConfigChangeResult applyConfigurationChange(EntityTagPluginCfg configuration)

Description copied from interface: ConfigurationChangeListener

Applies the configuration changes to this change listener.

Specified by:

applyConfigurationChange in interface ConfigurationChangeListener<EntityTagPluginCfg>

Parameters:

configuration - The new configuration containing the changes.

Returns:

Returns information about the result of changing the configuration.

doLDIFImport

public PluginResult.ImportLDIF doLDIFImport(LDIFImportConfig importConfig,
                                            Entry entry)

Description copied from class: DirectoryServerPlugin

Performs any necessary processing that should be done during an LDIF import operation immediately after reading an entry and confirming that it should be imported based on the provided configuration.

Overrides:

doLDIFImport in class DirectoryServerPlugin<EntityTagPluginCfg>

Parameters:

importConfig - The configuration used for the LDIF import.

entry - The entry that has been read to the LDIF file.

Returns:

The result of the plugin processing.

doPreOperation

public PluginResult.PreOperation doPreOperation(PreOperationAddOperation addOperation)

Description copied from class: DirectoryServerPlugin

Performs any necessary processing that should be done just before the Directory Server performs the core processing for an add operation. This method is not called when processing synchronization operations.

Overrides:

doPreOperation in class DirectoryServerPlugin<EntityTagPluginCfg>

Parameters:

addOperation - The add operation to be processed.

Returns:

Information about the result of the plugin processing.

doPreOperation

public PluginResult.PreOperation doPreOperation(PreOperationModifyOperation modifyOperation)

Description copied from class: DirectoryServerPlugin

Performs any necessary processing that should be done just before the Directory Server performs the core processing for a modify operation. This method is not called when processing synchronization operations.

Overrides:

doPreOperation in class DirectoryServerPlugin<EntityTagPluginCfg>

Parameters:

modifyOperation - The modify operation to be processed.

Returns:

Information about the result of the plugin processing.

doPreOperation

public PluginResult.PreOperation doPreOperation(PreOperationModifyDNOperation modifyDNOperation)

Description copied from class: DirectoryServerPlugin

Performs any necessary processing that should be done just before the Directory Server performs the core processing for a modify DN operation. This method is not called when processing synchronization operations.

Overrides:

doPreOperation in class DirectoryServerPlugin<EntityTagPluginCfg>

Parameters:

modifyDNOperation - The modify DN operation to be processed.

Returns:

Information about the result of the plugin processing.