com.liulishuo.filedownloader

Interface ITaskHunter.IMessageHandler

All Known Implementing Classes:

DownloadTaskHunter

Enclosing interface:

ITaskHunter

public static interface ITaskHunter.IMessageHandler

The message handler for a task.

Method Summary

Modifier and Type	Method and Description
com.liulishuo.filedownloader.IFileDownloadMessenger	getMessenger()
MessageSnapshot	prepareErrorMessage(Throwable cause)
boolean	updateKeepAhead(MessageSnapshot snapshot) Try to dispatch the snapshot with the keep ahead policy.
boolean	updateKeepFlow(MessageSnapshot snapshot) Try to dispatch the snapshot with the keep right flow policy.
boolean	updateMoreLikelyCompleted(MessageSnapshot snapshot) Try to dispatch the snapshot with the more likely completed policy.
boolean	updateSameFilePathTaskRunning(MessageSnapshot snapshot) Try to dispatch the snapshot with the same file path policy.

Method Detail

updateKeepAhead

boolean updateKeepAhead(MessageSnapshot snapshot)

Try to dispatch the snapshot with the keep ahead policy.

Parameters:

snapshot - the received message snapshot.

Returns:

true the message has been dispatched successfully.

updateKeepFlow

boolean updateKeepFlow(MessageSnapshot snapshot)

Try to dispatch the snapshot with the keep right flow policy.

Parameters:

snapshot - the received message snapshot.

Returns:

true the message has been dispatched successfully.

updateMoreLikelyCompleted

boolean updateMoreLikelyCompleted(MessageSnapshot snapshot)

Try to dispatch the snapshot with the more likely completed policy.

The more likely completed policy: in some case the snapshot more likely to a waiting to complete task.

Parameters:

snapshot - the received message snapshot.

Returns:

true the message has been dispatched successfully.

updateSameFilePathTaskRunning

boolean updateSameFilePathTaskRunning(MessageSnapshot snapshot)

Try to dispatch the snapshot with the same file path policy.

The same file path policy: when the path provided by the user is a directory, we find the filename until the response from the service has been received, in this case when we find the target file path maybe can equal to another running task, so in this case, this task need callback a warn message.

Parameters:

snapshot - the received message snapshot.

Returns:

true the message has been dispatched successfully.

getMessenger

com.liulishuo.filedownloader.IFileDownloadMessenger getMessenger()

Returns:

The messenger for the message handler.

prepareErrorMessage

MessageSnapshot prepareErrorMessage(Throwable cause)

Parameters:

cause - The cause of occurred exception.

Returns:

This message snapshot capture from the cause.