org.springframework.ldap.transaction.compensating.RenameOperationExecutor Maven / Gradle / Ivy
/*
* Copyright 2005-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.ldap.transaction.compensating;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.ldap.core.LdapOperations;
import org.springframework.transaction.compensating.CompensatingTransactionOperationExecutor;
import javax.naming.Name;
/**
* A {@link CompensatingTransactionOperationExecutor} to manage a rename
* operation. Performs a rename operation in {@link #performOperation()}, a
* negating rename in {@link #rollback()}, and nothing in {@link #commit()}.
*
* @author Mattias Hellborg Arthursson
* @since 1.2
*/
public class RenameOperationExecutor implements
CompensatingTransactionOperationExecutor {
private static Logger log = LoggerFactory.getLogger(RenameOperationExecutor.class);
private LdapOperations ldapOperations;
private Name newDn;
private Name originalDn;
/**
* Constructor.
*
* @param ldapOperations
* The {@link LdapOperations} to use for performing the rollback
* operation.
* @param originalDn
* DN that the entry was moved from in the recorded operation.
* @param newDn
* DN that the entry has been moved to in the recorded operation.
*/
public RenameOperationExecutor(LdapOperations ldapOperations,
Name originalDn, Name newDn) {
this.ldapOperations = ldapOperations;
this.originalDn = originalDn;
this.newDn = newDn;
}
/*
* @see org.springframework.ldap.support.transaction.CompensatingTransactionOperationExecutor#rollback()
*/
public void rollback() {
log.debug("Rolling back rename operation");
try {
ldapOperations.rename(newDn, originalDn);
} catch (Exception e) {
log.warn("Unable to rollback rename operation. " + "originalDn: "
+ newDn + "; newDn: " + originalDn);
}
}
/*
* @see org.springframework.ldap.support.transaction.CompensatingTransactionOperationExecutor#commit()
*/
public void commit() {
log.debug("Nothing to do in commit for rename operation");
}
/*
* @see org.springframework.ldap.support.transaction.CompensatingTransactionOperationExecutor#performOperation()
*/
public void performOperation() {
log.debug("Performing rename operation");
ldapOperations.rename(originalDn, newDn);
}
Name getNewDn() {
return newDn;
}
LdapOperations getLdapOperations() {
return ldapOperations;
}
Name getOriginalDn() {
return originalDn;
}
}