TransactionMessage.Builder (Exonum Java Binding: Common 0.6.0 API)

java.lang.Object
- com.exonum.binding.common.message.TransactionMessage.Builder

Enclosing interface:

TransactionMessage
```
public static class TransactionMessage.Builder
extends Object
```
Builder for the binary transaction message.

Method Summary

Modifier and Type	Method	Description
`TransactionMessage.Builder`	`payload(byte[] payload)`	Sets payload to the transaction message.
`TransactionMessage.Builder`	`payload(ByteBuffer payload)`	Sets payload to the transaction message.
`TransactionMessage.Builder`	`serviceId(short serviceId)`	Sets service identifier to the transaction message.
`TransactionMessage`	`sign(KeyPair keys, CryptoFunction crypto)`	Signs the message, creating a new signed binary transaction message.
`TransactionMessage.Builder`	`transactionId(short transactionId)`	Sets transaction identifier to the transaction message.

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

- Method Detail
  - serviceId
```
public TransactionMessage.Builder serviceId(short serviceId)
```
    Sets service identifier to the transaction message.
  - transactionId
```
public TransactionMessage.Builder transactionId(short transactionId)
```
    Sets transaction identifier to the transaction message.
  - payload
```
public TransactionMessage.Builder payload(byte[] payload)
```
    Sets payload to the transaction message.
  - payload
```
public TransactionMessage.Builder payload(ByteBuffer payload)
```
    Sets payload to the transaction message.
  - sign
```
public TransactionMessage sign(KeyPair keys,
                               CryptoFunction crypto)
```
    Signs the message, creating a new signed binary transaction message.
    
    Parameters:
    
    keys - key pair with private and public keys. Public key is used as an author key of the message and private key is used for signing the message.
    
    crypto - a cryptographic function to use
    
    Returns:
    
    a new signed binary transaction message
    
    Throws:
    
    NullPointerException - if serviceId or transactionId or payload weren't set
    
    IllegalArgumentException - if public key has wrong size