Package com.wavefront.agent.queueing

Class RetryTaskConverter<T extends DataSubmissionTask<T>>

java.lang.Object

com.wavefront.agent.queueing.RetryTaskConverter<T>

Type Parameters:

T - task type

All Implemented Interfaces:

TaskConverter<T>

public class RetryTaskConverter<T extends DataSubmissionTask<T>>
extends Object
implements TaskConverter<T>

A serializer + deserializer of DataSubmissionTask objects for storage.

Author:

[email protected]

Nested Class Summary

Nested classes/interfaces inherited from interface com.wavefront.agent.queueing.TaskConverter

TaskConverter.CompressionType

Constructor Summary

Constructors

Constructor	Description
RetryTaskConverter(String handle, TaskConverter.CompressionType compressionType)

Method Summary

Modifier and Type	Method	Description
T	fromBytes(byte[] bytes)	De-serializes an object from a byte array.
Integer	getWeight(byte[] bytes)	Attempts to retrieve task weight from a byte[], without de-serializing the object, if at all possible.
void	serializeToStream(T t, OutputStream bytes)	Serializes value to bytes written to the specified stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

RetryTaskConverter

public RetryTaskConverter(String handle,
                          TaskConverter.CompressionType compressionType)

Parameters:

handle - Handle (usually port number) of the pipeline where the data came from.

compressionType - compression type to use for storing tasks.

Method Detail

fromBytes

@Nullable
public T fromBytes(@Nonnull
                   byte[] bytes)

Description copied from interface: TaskConverter

De-serializes an object from a byte array.

Specified by:

fromBytes in interface TaskConverter<T extends DataSubmissionTask<T>>

Returns:

de-serialized object.

serializeToStream

public void serializeToStream(@Nonnull
                              T t,
                              @Nonnull
                              OutputStream bytes)
                       throws IOException

Description copied from interface: TaskConverter

Serializes value to bytes written to the specified stream.

Specified by:

serializeToStream in interface TaskConverter<T extends DataSubmissionTask<T>>

Parameters:

t - value to serialize.

bytes - output stream to write a byte[] to.

Throws:

IOException

getWeight

@Nullable
public Integer getWeight(@Nonnull
                         byte[] bytes)

Description copied from interface: TaskConverter

Attempts to retrieve task weight from a byte[], without de-serializing the object, if at all possible.

Specified by:

getWeight in interface TaskConverter<T extends DataSubmissionTask<T>>

Returns:

task weight or null if not applicable.