Key

java.lang.Object
- akka.cluster.ddata.Key<T>

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

FlagKey, GCounterKey, GSetKey, LWWMapKey, LWWRegisterKey, ORMapKey, ORMultiMapKey, ORSetKey, PNCounterKey, PNCounterMapKey
```
public abstract class Key<T extends ReplicatedData>
extends java.lang.Object
implements java.io.Serializable
```
Key for the key-value data in Replicator. The type of the data value is defined in the key. Keys are compared equal if the id strings are equal, i.e. use unique identifiers.
Specific classes are provided for the built in data types, e.g. ORSetKey, and you can create your own keys.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

Key(java.lang.String id)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(java.lang.Object o)`
`int`	`hashCode()`
`java.lang.String`	`id()`
`java.lang.String`	`toString()`
`static scala.Option<java.lang.String>`	`unapply(Key<?> k)`	Extract the `id()`.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail
- Key
```
public Key(java.lang.String id)
```

Method Detail

unapply

public static scala.Option<java.lang.String> unapply(Key<?> k)

Extract the id().

id
```
public java.lang.String id()
```

equals

public final boolean equals(java.lang.Object o)

Overrides:: equals in class java.lang.Object

hashCode
```
public final int hashCode()
```
Overrides:

hashCode in class java.lang.Object

toString
```
public java.lang.String toString()
```
Overrides:

toString in class java.lang.Object