Package com.github.ddth.pubsub.impl.universal

Class BaseUniversalMessage<ID>

java.lang.Object

com.github.ddth.queue.impl.GenericMessage<ID,byte[]>

com.github.ddth.pubsub.impl.universal.BaseUniversalMessage<ID>

All Implemented Interfaces:

com.github.ddth.commons.serialization.ISerializationSupport, IMessage<ID,byte[]>, IPartitionSupport, Cloneable

Direct Known Subclasses:

UniversalIdIntMessage, UniversalIdStrMessage

public abstract class BaseUniversalMessage<ID>
extends GenericMessage<ID,byte[]>
implements com.github.ddth.commons.serialization.ISerializationSupport

Base class for universal messages, where data is stored as byte[].

Since:

0.7.0

Author:

Thanh Ba Nguyen

Nested Class Summary

Nested classes/interfaces inherited from interface com.github.ddth.queue.IMessage

IMessage.EmptyMessage

Field Summary

Fields

Modifier and Type	Field	Description
static String	FIELD_DATA
static String	FIELD_ID
static String	FIELD_PARTITION_KEY
static String	FIELD_TIMESTAMP

Constructor Summary

Constructors

Constructor	Description
BaseUniversalMessage()

Method Summary

Modifier and Type	Method	Description
BaseUniversalMessage<ID>	clone()	Clone this message.
boolean	equals(Object obj)
static <T extends BaseUniversalMessage<ID>,ID> T	fromBytes(byte[] msgData, Class<T> clazz)	Deserializes from a byte[] - which has been serialized by toBytes().
protected BaseUniversalMessage<ID>	fromJson(String dataJson)	Deserialize queue message from a Json string.
BaseUniversalMessage<ID>	fromMap(Map<String,Object> dataMap)	Deserialize queue message from a Map.
byte[]	getContent()	Gets message's content.
String	getContentAsString()	Gets message's content as a String.
int	hashCode()
BaseUniversalMessage<ID>	setContent(byte[] content)	Sets message's content.
BaseUniversalMessage<ID>	setContent(String content)	Sets message's content.
byte[]	toBytes()	Serializes to byte[].
protected String	toJson()	Serialize this queue message to Json string.
Map<String,Object>	toMap()	Serialize this queue message to a Map.

Methods inherited from class com.github.ddth.queue.impl.GenericMessage

getData, getId, getPartitionKey, getTimestamp, newInstance, newInstance, newInstance, setData, setId, setPartitionKey, setTimestamp, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.github.ddth.commons.serialization.ISerializationSupport

fromBytes

Field Detail

FIELD_ID

public static final String FIELD_ID

See Also:

Constant Field Values

FIELD_TIMESTAMP

public static final String FIELD_TIMESTAMP

See Also:

Constant Field Values

FIELD_DATA

public static final String FIELD_DATA

See Also:

Constant Field Values

FIELD_PARTITION_KEY

public static final String FIELD_PARTITION_KEY

See Also:

Constant Field Values

Constructor Detail

BaseUniversalMessage

public BaseUniversalMessage()

Method Detail

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toMap

public Map<String,Object> toMap()

Serialize this queue message to a Map.

Returns:

fromMap

public BaseUniversalMessage<ID> fromMap(Map<String,Object> dataMap)

Deserialize queue message from a Map.

Parameters:

dataMap -

Returns:

toJson

protected String toJson()

Serialize this queue message to Json string.

Returns:

fromJson

protected BaseUniversalMessage<ID> fromJson(String dataJson)

Deserialize queue message from a Json string.

Parameters:

dataJson -

Returns:

toBytes

public byte[] toBytes()

Serializes to byte[].

Specified by:

toBytes in interface com.github.ddth.commons.serialization.ISerializationSupport

Returns:

fromBytes

public static <T extends BaseUniversalMessage<ID>,ID> T fromBytes(byte[] msgData,
                                                                        Class<T> clazz)
                                                                 throws NoSuchMethodException,
                                                                        IllegalAccessException,
                                                                        InvocationTargetException,
                                                                        InstantiationException

Deserializes from a byte[] - which has been serialized by toBytes().

Type Parameters:

T -

ID -

Parameters:

msgData -

clazz -

Returns:

Throws:

NoSuchMethodException

IllegalAccessException

InvocationTargetException

InstantiationException

clone

public BaseUniversalMessage<ID> clone()

Clone this message.

Specified by:

clone in interface IMessage<ID,byte[]>

Overrides:

clone in class GenericMessage<ID,byte[]>

Returns:

getContent

public byte[] getContent()

Gets message's content.

Returns:

getContentAsString

public String getContentAsString()

Gets message's content as a String.

Returns:

setContent

public BaseUniversalMessage<ID> setContent(byte[] content)

Sets message's content.

Parameters:

content -

Returns:

setContent

public BaseUniversalMessage<ID> setContent(String content)

Sets message's content.

Parameters:

content -

Returns: