package com.hwlcn.ldap.ldap.sdk;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Level;
import com.hwlcn.ldap.ldap.protocol.LDAPResponse;
import com.hwlcn.ldap.util.DebugType;
import com.hwlcn.core.annotation.InternalUseOnly;
import static com.hwlcn.ldap.ldap.sdk.LDAPMessages.*;
import static com.hwlcn.ldap.util.Debug.*;
@InternalUseOnly()
final class AsyncHelper
implements CommonAsyncHelper, IntermediateResponseListener
{
private static final long serialVersionUID = 7186731025240177443L;
private final AsyncRequestID asyncRequestID;
private final AsyncResultListener resultListener;
private final AtomicBoolean responseReturned;
private final OperationType operationType;
private final IntermediateResponseListener intermediateResponseListener;
private final LDAPConnection connection;
private final long createTime;
@InternalUseOnly()
AsyncHelper(final LDAPConnection connection,
final OperationType operationType, final int messageID,
final AsyncResultListener resultListener,
final IntermediateResponseListener intermediateResponseListener)
{
this.connection = connection;
this.operationType = operationType;
this.resultListener = resultListener;
this.intermediateResponseListener = intermediateResponseListener;
asyncRequestID = new AsyncRequestID(messageID, connection);
responseReturned = new AtomicBoolean(false);
createTime = System.nanoTime();
}
public AsyncRequestID getAsyncRequestID()
{
return asyncRequestID;
}
public LDAPConnection getConnection()
{
return connection;
}
public long getCreateTimeNanos()
{
return createTime;
}
public OperationType getOperationType()
{
return operationType;
}
@InternalUseOnly()
public void responseReceived(final LDAPResponse response)
throws LDAPException
{
if (! responseReturned.compareAndSet(false, true))
{
return;
}
final long responseTime = System.nanoTime() - createTime;
if (response instanceof ConnectionClosedResponse)
{
final ConnectionClosedResponse ccr = (ConnectionClosedResponse) response;
final String message = ccr.getMessage();
if (message == null)
{
throw new LDAPException(ccr.getResultCode(),
ERR_CONN_CLOSED_WAITING_FOR_ASYNC_RESPONSE.get());
}
else
{
throw new LDAPException(ccr.getResultCode(),
ERR_CONN_CLOSED_WAITING_FOR_ASYNC_RESPONSE_WITH_MESSAGE.get(
message));
}
}
switch (operationType)
{
case ADD:
connection.getConnectionStatistics().incrementNumAddResponses(
responseTime);
break;
case DELETE:
connection.getConnectionStatistics().incrementNumDeleteResponses(
responseTime);
break;
case MODIFY:
connection.getConnectionStatistics().incrementNumModifyResponses(
responseTime);
break;
case MODIFY_DN:
connection.getConnectionStatistics().incrementNumModifyDNResponses(
responseTime);
break;
}
final LDAPResult result = (LDAPResult) response;
resultListener.ldapResultReceived(asyncRequestID, result);
asyncRequestID.setResult(result);
}
@InternalUseOnly()
public void intermediateResponseReturned(
final IntermediateResponse intermediateResponse)
{
if (intermediateResponseListener == null)
{
debug(Level.WARNING, DebugType.LDAP,
WARN_INTERMEDIATE_RESPONSE_WITH_NO_LISTENER.get(
String.valueOf(intermediateResponse)));
}
else
{
intermediateResponseListener.intermediateResponseReturned(
intermediateResponse);
}
}
}