com.qcloud.cos.transfer

Class PersistableTransfer

java.lang.Object

com.qcloud.cos.transfer.PersistableTransfer

Direct Known Subclasses:

PersistableDownload, PersistableResumeDownload, PersistableUpload

public abstract class PersistableTransfer
extends Object

Abstract base class for the information of a pausible upload or download; such information can be used to resume the upload or download later on, and can be serialized/deserialized for persistence purposes.

Constructor Summary

Constructors

Constructor and Description
PersistableTransfer()

Method Summary

Modifier and Type	Method and Description
static <T extends PersistableTransfer> T	deserializeFrom(InputStream in) Returns the deserialized transfer state of the given serialized representation.
static <T extends PersistableTransfer> T	deserializeFrom(String serialized) Returns the deserialized transfer state of the given serialized representation.
String	serialize() Returns the serialized representation of the paused transfer state.
void	serialize(OutputStream out) Writes the serialized representation of the paused transfer state to the given OutputStream.

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistableTransfer

public PersistableTransfer()

Method Detail

serialize

public final String serialize()

Returns the serialized representation of the paused transfer state.

serialize

public final void serialize(OutputStream out)
                     throws IOException

Writes the serialized representation of the paused transfer state to the given OutputStream. Caller of this method should explicitly close the OutputStream.

Throws:

IOException

deserializeFrom

public static <T extends PersistableTransfer> T deserializeFrom(InputStream in)

Returns the deserialized transfer state of the given serialized representation. Caller of this method should explicitly close the InputStream.

Throws:

UnsupportedOperationException - if the paused transfer type extracted from the serialized representation is not supported.

deserializeFrom

public static <T extends PersistableTransfer> T deserializeFrom(String serialized)

Returns the deserialized transfer state of the given serialized representation.

Throws:

UnsupportedOperationException - if the paused transfer type extracted from the serialized representation is not supported.