Package de.otto.synapse.message

Class CompoundKey

java.lang.Object

de.otto.synapse.message.CompoundKey

All Implemented Interfaces:

Key, Serializable

public final class CompoundKey
extends Object
implements Key

See Also:

• Serialized Form

Field Summary

Fields inherited from interface de.otto.synapse.message.Key

NO_KEY

Method Summary

Modifier and Type	Method	Description
String	compactionKey()	Returns the part of the key that is used for message compaction, where a snapshot of a message log is taken by only keeping the latest message for every compaction-key.
boolean	equals(Object o)
int	hashCode()
boolean	isCompoundKey()
String	partitionKey()	Returns the part of the key that is used to select one of possibly several shards or partitions of a message channel.
String	toString()

Methods inherited from class java.lang.Object

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

Method Details

partitionKey

public String partitionKey()

Description copied from interface: Key

Returns the part of the key that is used to select one of possibly several shards or partitions of a message channel.

All messages with the same partitionKey are guaranteed to keep their ordering.

Specified by:

partitionKey in interface Key

Returns:

partition key

compactionKey

public String compactionKey()

Description copied from interface: Key

Returns the part of the key that is used for message compaction, where a snapshot of a message log is taken by only keeping the latest message for every compaction-key.

Specified by:

compactionKey in interface Key

Returns:

compaction key

isCompoundKey

public boolean isCompoundKey()

Specified by:

isCompoundKey in interface Key

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object