org.apache.apex.malhar.flume.storage

Class DebugWrapper

java.lang.Object

org.apache.apex.malhar.flume.storage.DebugWrapper

All Implemented Interfaces:

com.datatorrent.api.Component<com.datatorrent.api.Context>, Storage, org.apache.flume.conf.Configurable

public class DebugWrapper
extends Object
implements Storage, org.apache.flume.conf.Configurable, com.datatorrent.api.Component<com.datatorrent.api.Context>

DebugWrapper class.

Since:

0.9.4

Nested Class Summary

Nested classes/interfaces inherited from interface com.datatorrent.api.Component

com.datatorrent.api.Component.ComponentComplementPair<COMPONENT extends com.datatorrent.api.Component<?>,COMPLEMENT>

Field Summary

Fields inherited from interface org.apache.apex.malhar.flume.storage.Storage

ID

Fields inherited from interface com.datatorrent.api.Component

CONCAT_SEPARATOR, SPLIT_SEPARATOR

Constructor Summary

Constructors

Constructor and Description
DebugWrapper()

Method Summary

Methods

Modifier and Type	Method and Description
void	clean(byte[] identifier) This is used to clean up the files identified by identifier
void	configure(org.apache.flume.Context cntxt)
void	flush() This flushes the data from stream
byte[]	retrieve(byte[] identifier) This returns the data bytes for the current identifier and the identifier for next data bytes.
byte[]	retrieveNext() This returns data bytes and the identifier for the next data bytes.
void	setup(com.datatorrent.api.Context t1)
byte[]	store(com.datatorrent.netlet.util.Slice bytes) This stores the bytes and returns the unique identifier to retrieve these bytes
void	teardown()

Methods inherited from class java.lang.Object

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

Constructor Detail

DebugWrapper

public DebugWrapper()

Method Detail

store

public byte[] store(com.datatorrent.netlet.util.Slice bytes)

Description copied from interface: Storage

This stores the bytes and returns the unique identifier to retrieve these bytes

Specified by:

store in interface Storage

Returns:

retrieve

public byte[] retrieve(byte[] identifier)

Description copied from interface: Storage

This returns the data bytes for the current identifier and the identifier for next data bytes.
The first eight bytes contain the identifier and the remaining bytes contain the data

Specified by:

retrieve in interface Storage

Returns:

retrieveNext

public byte[] retrieveNext()

Description copied from interface: Storage

This returns data bytes and the identifier for the next data bytes. The identifier for current data bytes is based on the retrieve method call and number of retrieveNext method calls after retrieve method call.
The first eight bytes contain the identifier and the remaining bytes contain the data

Specified by:

retrieveNext in interface Storage

Returns:

clean

public void clean(byte[] identifier)

Description copied from interface: Storage

This is used to clean up the files identified by identifier

Specified by:

clean in interface Storage

flush

public void flush()

Description copied from interface: Storage

This flushes the data from stream

Specified by:

flush in interface Storage

configure

public void configure(org.apache.flume.Context cntxt)

Specified by:

configure in interface org.apache.flume.conf.Configurable

setup

public void setup(com.datatorrent.api.Context t1)

Specified by:

setup in interface com.datatorrent.api.Component<com.datatorrent.api.Context>

teardown

public void teardown()

Specified by:

teardown in interface com.datatorrent.api.Component<com.datatorrent.api.Context>