MessageId (drasyl: General-Purpose Overlay Network Framework - Core Package 0.4.1 API)

java.lang.Object
- org.drasyl.remote.protocol.MessageId

```
public final class MessageId
extends Object
```
A AddressedEnvelope is uniquely identified by its MESSAGE_ID_LENGTH bytes identifier.
This is an immutable object.

Field Summary

Fields
Modifier and Type Field Description

static int MESSAGE_ID_LENGTH

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`byte[]`	`byteArrayValue()`
`boolean`	`equals(Object o)`
`int`	`hashCode()`
`static boolean`	`isValidMessageId(byte[] id)`	Checks if `id` is a valid identifier.
`long`	`longValue()`
`static MessageId`	`of(byte[] id)`
`static MessageId`	`of(long id)`
`static MessageId`	`of(String id)`
`static MessageId`	`randomMessageId()`	Static factory to retrieve a randomly generated `MessageId`.
`String`	`toString()`

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

Field Detail
- MESSAGE_ID_LENGTH
```
public static final int MESSAGE_ID_LENGTH
```
  See Also:
  
  Constant Field Values

Method Detail

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

hashCode in class Object

equals
```
public boolean equals(Object o)
```
Overrides:

equals in class Object

toString
```
public String toString()
```
Overrides:

toString in class Object

byteArrayValue
```
public byte[] byteArrayValue()
```

longValue
```
public long longValue()
```

randomMessageId
```
public static MessageId randomMessageId()
```
Static factory to retrieve a randomly generated MessageId.

Returns:

A randomly generated MessageId

isValidMessageId
```
public static boolean isValidMessageId(byte[] id)
```
Checks if id is a valid identifier.

Parameters:

id - string to be validated

Returns:

true if valid. Otherwise false

of

public static MessageId of(@NonNull
                           byte[] id)

Throws:: NullPointerException - if id is null

of

public static MessageId of(@NonNull
                           String id)

Throws:: NullPointerException - if id is null

of

public static MessageId of(long id)