tokendata.java

来自「real-time design patterns in Real-time j」· Java 代码 · 共 28 行

package designPatterns.TokenObserver;

import rtComm.CmdProtocol;
import designPatterns.Data;

public class TokenData extends Data {

	public long tokenId;
	
	public TokenData(long initialValue) {
		tokenId = initialValue;
	}
	
	public TokenData(TokenData td) {
		tokenId = td.tokenId;
	}

	public void copyValue(Data src) {
		TokenData srcTokenData = (TokenData) src;
		tokenId = srcTokenData.tokenId;
	}

	public void nullOut() {
		tokenId = CmdProtocol.ARG_NULL;
	}
	
}