feeyo-flatbuffers

An extension based on Google flatbuffers

Usage

  <dependency>
	<groupId>com.github.variflight</groupId>
	<artifactId>feeyo-flatbuffers</artifactId>
	<version>0.1.0</version>
  </dependency>
	
	
  public static class User extends BaseModel {
	private int id;
	private String name;
		
	public User(){}
	
	public User(int id, String name) {
		this.id = id;
		this.name = name;
	}
	
	public int getId() {	
		return getInt(0);
	}
	
	public String getName() {
		return getString(1);
	}
		
	@Override
	public int flattenToBuffer(FlatBufferBuilder flatBufferBuilder) {
		int nameOffset = flatBufferBuilder.createString(name);
		flatBufferBuilder.startTable(2);
		flatBufferBuilder.addInt(0, id, 0);
		flatBufferBuilder.addOffset(1, nameOffset, 0);
		int end = flatBufferBuilder.endTable();
		flatBufferBuilder.finish(end);
		return end;
	}
  }
	
  ...

  FlatBufferBuilder flatBufferBuilder = new FlatBufferBuilder(128);
  List<User> userList = new ArrayList<>();
  userList.add( new User(1, "x1") );
  userList.add( new User(2, "x2") );
  userList.add( new User(3, "x3") );
  userList.add( new User(4, "x4") );
  userList.add( new User(5, "x5") );
  userList.add( new User(6, "x6") );
  
  FlattenableHelper.flattenToBuffer(flatBufferBuilder, userList);
  ByteBuffer buffer = flatBufferBuilder.dataBuffer();
  byte[] bb = new byte[ buffer.capacity() - buffer.position() ]; 
  for(int i=0; i< bb.length; i++) {
	bb[i] = buffer.get();
  }
  System.out.println(ByteUtil.dump(bb, 0, bb.length));