org.ldaptive.ext

Class MergeOperation

java.lang.Object

org.ldaptive.AbstractOperation<MergeRequest,Void>

org.ldaptive.ext.MergeOperation

All Implemented Interfaces:

Operation<MergeRequest,Void>

public class MergeOperation
extends AbstractOperation<MergeRequest,Void>

The merge operation performs the LDAP operations necessary to synchronize the data in an LdapEntry with it's corresponding entry in the LDAP. The following logic is executed:

• if the entry does not exist in the LDAP, execute an add
• if the request is for a delete, execute a delete
• if the entry exists in the LDAP, execute a modify

LdapEntry.computeModifications(LdapEntry, LdapEntry) is used to determine the list of attribute modifications that are necessary to perform the merge. Either MergeRequest.getIncludeAttributes() or MergeRequest.getExcludeAttributes() will be used, but not both.

Nested Class Summary

Nested classes/interfaces inherited from class org.ldaptive.AbstractOperation

AbstractOperation.ReopenOperationExceptionHandler

Field Summary

Fields inherited from class org.ldaptive.AbstractOperation

logger

Constructor Summary

Constructors

Constructor and Description
MergeOperation(Connection conn) Creates a new merge operation.

Method Summary

Modifier and Type	Method and Description
protected Response<Void>	add(MergeRequest request, LdapEntry entry) Executes an AddOperation for the supplied entry.
protected Response<Void>	delete(MergeRequest request, LdapEntry entry) Executes a DeleteOperation for the supplied entry.
protected Response<Void>	invoke(MergeRequest request) Executes the ldap operation necessary to perform a merge.
protected Response<Void>	modify(MergeRequest request, LdapEntry source, LdapEntry target) Retrieves the attribute modifications from LdapEntry.computeModifications(LdapEntry, LdapEntry) and executes a ModifyOperation with those results.

Methods inherited from class org.ldaptive.AbstractOperation

execute, executeHandlers, getConnection, getOperationExceptionHandler, getOperationResponseHandlers, setOperationExceptionHandler, setOperationResponseHandlers, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

MergeOperation

public MergeOperation(Connection conn)

Creates a new merge operation.

Parameters:

conn - connection

Method Detail

invoke

protected Response<Void> invoke(MergeRequest request)
                         throws LdapException

Executes the ldap operation necessary to perform a merge. One of AddOperation, ModifyOperation, or DeleteOperation.

Specified by:

invoke in class AbstractOperation<MergeRequest,Void>

Parameters:

request - merge request

Returns:

response associated with whatever underlying operation was performed by the merge or an empty response if no operation was performed

Throws:

LdapException - if the invocation fails

modify

protected Response<Void> modify(MergeRequest request,
                                LdapEntry source,
                                LdapEntry target)
                         throws LdapException

Retrieves the attribute modifications from LdapEntry.computeModifications(LdapEntry, LdapEntry) and executes a ModifyOperation with those results. If no modifications are necessary, no operation is performed.

Parameters:

request - merge request

source - ldap entry to merge into the LDAP

target - ldap entry that exists in the LDAP

Returns:

response of the modify operation or an empty response if no operation is performed

Throws:

LdapException - if an error occurs executing the modify operation

add

protected Response<Void> add(MergeRequest request,
                             LdapEntry entry)
                      throws LdapException

Executes an AddOperation for the supplied entry.

Parameters:

request - merge request

entry - to add to the LDAP

Returns:

response of the add operation

Throws:

LdapException - if an error occurs executing the add operation

delete

protected Response<Void> delete(MergeRequest request,
                                LdapEntry entry)
                         throws LdapException

Executes a DeleteOperation for the supplied entry.

Parameters:

request - merge request

entry - to delete from the LDAP

Returns:

response of the delete operation

Throws:

LdapException - if an error occurs executing the deleting operation