GetLibraryRequest.java

package com.robonobo.midas.client;

import java.util.Date;

import com.robonobo.core.api.model.Library;
import com.robonobo.core.api.proto.CoreApi.LibraryMsg;
import com.robonobo.core.metadata.LibraryCallback;
import com.robonobo.midas.client.Params.Operation;

public class GetLibraryRequest implements Request {
	private MidasClientConfig cfg;
	private Long userId;
	private Date lastUpdated;
	private LibraryCallback handler;

	public GetLibraryRequest(MidasClientConfig cfg, long userId, Date lastUpdated, LibraryCallback handler) {
		this.cfg = cfg;
		this.userId = userId;
		this.lastUpdated = lastUpdated;
		this.handler = handler;
	}

	@Override
	public int remaining() {
		if (userId == null)
			return 0;
		return 1;
	}

	@Override
	public Params getNextParams() {
		Params p = new Params(Operation.Get, null, LibraryMsg.newBuilder(), cfg.getLibraryUrl(userId, lastUpdated), userId);
		userId = null;
		return p;
	}

	@Override
	public void success(Object obj) {
		LibraryMsg msg = (LibraryMsg) obj;
		if(handler != null)
			handler.success(new Library(msg));
	}

	@Override
	public void error(Params p, Exception e) {
		if(handler != null) {
			Long uid = (Long) p.obj;
			handler.error(uid, e);
		}
	}
}