com.unboundid.ldap.sdk.extensions.EndTransactionExtendedRequest Maven / Gradle / Ivy
/*
* Copyright 2010-2020 Ping Identity Corporation
* All Rights Reserved.
*/
/*
* Copyright 2010-2020 Ping Identity Corporation
*
* 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.
*/
/*
* Copyright (C) 2010-2020 Ping Identity Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (GPLv2 only)
* or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see .
*/
package com.unboundid.ldap.sdk.extensions;
import com.unboundid.asn1.ASN1Boolean;
import com.unboundid.asn1.ASN1Element;
import com.unboundid.asn1.ASN1OctetString;
import com.unboundid.asn1.ASN1Sequence;
import com.unboundid.ldap.sdk.Control;
import com.unboundid.ldap.sdk.ExtendedRequest;
import com.unboundid.ldap.sdk.ExtendedResult;
import com.unboundid.ldap.sdk.LDAPConnection;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.util.Debug;
import com.unboundid.util.NotMutable;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import com.unboundid.util.Validator;
import static com.unboundid.ldap.sdk.extensions.ExtOpMessages.*;
/**
* This class provides an implementation of the end transaction extended
* request as defined in
* RFC 5805. It may be used
* to either commit or abort a transaction that was created using the start
* transaction request. See the documentation for the
* {@link StartTransactionExtendedRequest} class for an example of processing an
* LDAP transaction.
*/
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.NOT_THREADSAFE)
public final class EndTransactionExtendedRequest
extends ExtendedRequest
{
/**
* The OID (1.3.6.1.1.21.3) for the end transaction extended request.
*/
public static final String END_TRANSACTION_REQUEST_OID = "1.3.6.1.1.21.3";
/**
* The serial version UID for this serializable class.
*/
private static final long serialVersionUID = -7135468264026410702L;
// The transaction ID for the associated transaction.
private final ASN1OctetString transactionID;
// Indicates whether to commit or abort the associated transaction.
private final boolean commit;
/**
* Creates a new end transaction extended request with the provided
* information.
*
* @param transactionID The transaction ID for the transaction to commit or
* abort. It must not be {@code null}.
* @param commit {@code true} if the transaction should be committed,
* or {@code false} if the transaction should be
* aborted.
* @param controls The set of controls to include in the request.
*/
public EndTransactionExtendedRequest(final ASN1OctetString transactionID,
final boolean commit,
final Control... controls)
{
super(END_TRANSACTION_REQUEST_OID, encodeValue(transactionID, commit),
controls);
this.transactionID = transactionID;
this.commit = commit;
}
/**
* Creates a new end transaction extended request from the provided generic
* extended request.
*
* @param extendedRequest The generic extended request to use to create this
* end transaction extended request.
*
* @throws LDAPException If a problem occurs while decoding the request.
*/
public EndTransactionExtendedRequest(final ExtendedRequest extendedRequest)
throws LDAPException
{
super(extendedRequest);
final ASN1OctetString value = extendedRequest.getValue();
if (value == null)
{
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_END_TXN_REQUEST_NO_VALUE.get());
}
try
{
final ASN1Element valueElement = ASN1Element.decode(value.getValue());
final ASN1Element[] elements =
ASN1Sequence.decodeAsSequence(valueElement).elements();
if (elements.length == 1)
{
commit = true;
transactionID = ASN1OctetString.decodeAsOctetString(elements[0]);
}
else
{
commit = ASN1Boolean.decodeAsBoolean(elements[0]).booleanValue();
transactionID = ASN1OctetString.decodeAsOctetString(elements[1]);
}
}
catch (final Exception e)
{
Debug.debugException(e);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_END_TXN_REQUEST_CANNOT_DECODE.get(e), e);
}
}
/**
* Generates the value to include in this extended request.
*
* @param transactionID The transaction ID for the transaction to commit or
* abort. It must not be {@code null}.
* @param commit {@code true} if the transaction should be committed,
* or {@code false} if the transaction should be
* aborted.
*
* @return The ASN.1 octet string containing the encoded request value.
*/
private static ASN1OctetString
encodeValue(final ASN1OctetString transactionID,
final boolean commit)
{
Validator.ensureNotNull(transactionID);
final ASN1Element[] valueElements;
if (commit)
{
valueElements = new ASN1Element[]
{
transactionID
};
}
else
{
valueElements = new ASN1Element[]
{
new ASN1Boolean(commit),
transactionID
};
}
return new ASN1OctetString(new ASN1Sequence(valueElements).encode());
}
/**
* Retrieves the transaction ID for the transaction to commit or abort.
*
* @return The transaction ID for the transaction to commit or abort.
*/
public ASN1OctetString getTransactionID()
{
return transactionID;
}
/**
* Indicates whether the transaction should be committed or aborted.
*
* @return {@code true} if the transaction should be committed, or
* {@code false} if it should be aborted.
*/
public boolean commit()
{
return commit;
}
/**
* {@inheritDoc}
*/
@Override()
public EndTransactionExtendedResult process(final LDAPConnection connection,
final int depth)
throws LDAPException
{
final ExtendedResult extendedResponse = super.process(connection, depth);
return new EndTransactionExtendedResult(extendedResponse);
}
/**
* {@inheritDoc}
*/
@Override()
public EndTransactionExtendedRequest duplicate()
{
return duplicate(getControls());
}
/**
* {@inheritDoc}
*/
@Override()
public EndTransactionExtendedRequest duplicate(final Control[] controls)
{
final EndTransactionExtendedRequest r =
new EndTransactionExtendedRequest(transactionID, commit, controls);
r.setResponseTimeoutMillis(getResponseTimeoutMillis(null));
return r;
}
/**
* {@inheritDoc}
*/
@Override()
public String getExtendedRequestName()
{
return INFO_EXTENDED_REQUEST_NAME_END_TXN.get();
}
/**
* {@inheritDoc}
*/
@Override()
public void toString(final StringBuilder buffer)
{
buffer.append("EndTransactionExtendedRequest(transactionID='");
buffer.append(transactionID.stringValue());
buffer.append("', commit=");
buffer.append(commit);
final Control[] controls = getControls();
if (controls.length > 0)
{
buffer.append("controls={");
for (int i=0; i < controls.length; i++)
{
if (i > 0)
{
buffer.append(", ");
}
buffer.append(controls[i]);
}
buffer.append('}');
}
buffer.append(')');
}
}
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