co.cask.cdap.etl.api.realtime

Class SourceState

java.lang.Object

co.cask.cdap.etl.api.realtime.SourceState

@Beta
public class SourceState
extends Object

State of Source.

Constructor Summary

Constructors

Constructor and Description
SourceState() Construct a SourceState with an empty map.
SourceState(Map<String,byte[]> stateMap) Construct a SourceState using a Map of String keys and byte[] values.
SourceState(SourceState state) Construct a SourceState by making a copy of another SourceState.

Method Summary

Methods

Modifier and Type	Method and Description
void	clearState() Clear the internal state.
boolean	equals(Object o)
Map<String,byte[]>	getState() Get the full state of the Source.
byte[]	getState(String state) Get the byte[] associated with a key.
int	hashCode()
void	setState(Map<String,byte[]> map) Add a Map to the state of the source.
void	setState(SourceState state) Clear the internal state and set it to values from provided State.
void	setState(String state, byte[] value) Set a single key state given the key and value.

Methods inherited from class java.lang.Object

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

Constructor Detail

SourceState

public SourceState(Map<String,byte[]> stateMap)

Construct a SourceState using a Map of String keys and byte[] values.

Parameters:

stateMap - Map of string keys and byte[] values

SourceState

public SourceState()

Construct a SourceState with an empty map.

SourceState

public SourceState(SourceState state)

Construct a SourceState by making a copy of another SourceState.

Parameters:

state - SourceState

Method Detail

getState

public byte[] getState(String state)

Get the byte[] associated with a key.

Parameters:

state - state

Returns:

byte array

setState

public void setState(String state,
            byte[] value)

Set a single key state given the key and value.

Parameters:

state - key

value - value

getState

public Map<String,byte[]> getState()

Get the full state of the Source.

Returns:

Map of string keys and byte[] values

setState

public void setState(Map<String,byte[]> map)

Add a Map to the state of the source.

Parameters:

map - Map of string keys and byte[] values

setState

public void setState(SourceState state)

Clear the internal state and set it to values from provided State.

Parameters:

state - state to be copied

clearState

public void clearState()

Clear the internal state.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object