com.allanbank.mongodb.client

Class ReplyResultCallback

java.lang.Object

com.allanbank.mongodb.client.AbstractValidatingReplyCallback

com.allanbank.mongodb.client.AbstractReplyCallback<List<Document>>

com.allanbank.mongodb.client.ReplyResultCallback

All Implemented Interfaces:

Callback<Reply>

public class ReplyResultCallback
extends AbstractReplyCallback<List<Document>>

Callback to extract the map/reduce and aggregation results from the reply.

API Warning:

This class is NOT part of the drivers API. This class may be mutated in incompatible ways between any two releases of the driver.

Copyright ©:

2011-2012, Allanbank Consulting, Inc., All Rights Reserved

Field Summary

Fields inherited from class com.allanbank.mongodb.client.AbstractValidatingReplyCallback

ERROR_CODE_FIELD, ERROR_MESSAGE_FIELDS

Constructor Summary

Constructors

Constructor and Description
ReplyResultCallback(Callback<List<Document>> forwardCallback) Create a new ReplyResultCallback.
ReplyResultCallback(String field, Callback<List<Document>> forwardCallback) Create a new ReplyResultCallback.

Method Summary

Methods

Modifier and Type	Method and Description
protected List<Document>	convert(Reply reply) Converts the Reply into the final response type.

Methods inherited from class com.allanbank.mongodb.client.AbstractReplyCallback

exception, getForwardCallback, handle

Methods inherited from class com.allanbank.mongodb.client.AbstractValidatingReplyCallback

asError, asError, asError, asString, callback, checkForError, toInt, verify

Methods inherited from class java.lang.Object

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

Constructor Detail

ReplyResultCallback

public ReplyResultCallback(Callback<List<Document>> forwardCallback)

Create a new ReplyResultCallback.

Parameters:

forwardCallback - The callback to forward the result documents to.

ReplyResultCallback

public ReplyResultCallback(String field,
                   Callback<List<Document>> forwardCallback)

Create a new ReplyResultCallback.

Parameters:

field - The field in the reply holding the results.

forwardCallback - The callback to forward the result documents to.

Method Detail

convert

protected List<Document> convert(Reply reply)
                          throws MongoDbException

Converts the Reply into the final response type.

Overridden to extract the 'results' elements from the reply.

Specified by:

convert in class AbstractReplyCallback<List<Document>>

Parameters:

reply - The reply to convert.

Returns:

The converted reply.

Throws:

MongoDbException - On a failure converting the reply. Generally, the AbstractValidatingReplyCallback.verify(Reply) method should be used to report errors.

See Also:

AbstractReplyCallback.convert(com.allanbank.mongodb.connection.message.Reply)