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Distributed Job Scheduler - Common Libraries
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package com.github.ddth.djs.bo.log;

import java.util.Date;

import org.apache.commons.lang3.ArrayUtils;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.github.ddth.dao.BaseBo;
import com.github.ddth.djs.utils.DjsConstants;
import com.github.ddth.djs.utils.DjsUtils;

/**
 * Task log entry.
 * 
 * @author Thanh Nguyen 
 * @since 0.1.0
 */
public class TaskLogBo extends BaseBo {

	public final static TaskLogBo[] EMPTY_ARRAY = new TaskLogBo[0];

	public static TaskLogBo newInstance() {
		String id = DjsUtils.IDGEN.generateId128Hex();
		TaskLogBo bo = new TaskLogBo();
		bo.setId(id).setTimestampCreate(new Date()).setStatus(DjsConstants.TASK_STATUS_NEW);
		return bo;
	}

	public static TaskLogBo newInstance(TaskLogBo clone) {
		TaskLogBo bo = new TaskLogBo();
		bo.fromJson(clone.toJson());
		return bo;
	}

	/*----------------------------------------------------------------------*/

	private final static String ATTR_ID = "id";
	private final static String ATTR_JOB_ID = "jid";
	private final static String ATTR_STATUS = "status";
	private final static String ATTR_MESSAGE = "msg";
	private final static String ATTR_ERROR = "error";
	private final static String ATTR_OUTPUT = "output";
	private final static String ATTR_TIMESTAMP_CREATE = "tcreate";
	private final static String ATTR_NODE_CREATE = "ncreate";
	private final static String ATTR_TIMESTAMP_PICKUP = "tpickup";
	private final static String ATTR_DURATION_PICKUP = "dpickup";
	private final static String ATTR_NODE_PICKUP = "npickup";
	private final static String ATTR_TIMESTAMP_FINISH = "tfinish";
	private final static String ATTR_DURATION_FINISH = "dfinish";

	@JsonIgnore
	public String getId() {
		return getAttribute(ATTR_ID, String.class);
	}

	public TaskLogBo setId(String id) {
		return (TaskLogBo) setAttribute(ATTR_ID, id != null ? id.trim().toLowerCase() : null);
	}

	@JsonIgnore
	public String getJobId() {
		return getAttribute(ATTR_JOB_ID, String.class);
	}

	public TaskLogBo setJobId(String jobId) {
		return (TaskLogBo) setAttribute(ATTR_JOB_ID, jobId != null ? jobId.trim().toLowerCase() : null);
	}

	@JsonIgnore
	public int getStatus() {
		Integer value = getAttribute(ATTR_STATUS, Integer.class);
		return value != null ? value.intValue() : DjsConstants.TASK_STATUS_DEFAULT;
	}

	public TaskLogBo setStatus(int status) {
		return (TaskLogBo) setAttribute(ATTR_STATUS, status);
	}

	@JsonIgnore
	public String getMessage() {
		return getAttribute(ATTR_MESSAGE, String.class);
	}

	public TaskLogBo setMessage(String message) {
		return (TaskLogBo) setAttribute(ATTR_MESSAGE, message != null ? message.trim() : null);
	}

	@JsonIgnore
	public String getError() {
		return getAttribute(ATTR_ERROR, String.class);
	}

	public TaskLogBo setError(String error) {
		return (TaskLogBo) setAttribute(ATTR_ERROR, error != null ? error.trim() : null);
	}

	@JsonIgnore
	public byte[] getOutput() {
		return getAttribute(ATTR_OUTPUT, byte[].class);
	}

	public String getOutputAsString() {
		byte[] output = getOutput();
		return output != null ? new String(output, DjsConstants.UTF8) : "";
	}

	public TaskLogBo setOutput(byte[] output) {
		return (TaskLogBo) setAttribute(ATTR_OUTPUT, output != null ? output : ArrayUtils.EMPTY_BYTE_ARRAY);
	}

	public TaskLogBo setOutput(String output) {
		return setOutput(output != null ? output.trim().getBytes(DjsConstants.UTF8) : null);
	}

	@JsonIgnore
	public Date getTimestampCreate() {
		return getAttribute(ATTR_TIMESTAMP_CREATE, Date.class);
	}

	public TaskLogBo setTimestampCreate(Date timestamp) {
		return (TaskLogBo) setAttribute(ATTR_TIMESTAMP_CREATE, timestamp != null ? timestamp : new Date());
	}

	@JsonIgnore
	public String getNodeCreate() {
		return getAttribute(ATTR_NODE_CREATE, String.class);
	}

	public TaskLogBo setNodeCreate(String nodeName) {
		return (TaskLogBo) setAttribute(ATTR_NODE_CREATE, nodeName != null ? nodeName.trim() : "");
	}

	@JsonIgnore
	public Date getTimestampPickup() {
		return getAttribute(ATTR_TIMESTAMP_PICKUP, Date.class);
	}

	public TaskLogBo setTimestampPickup(Date timestamp) {
		if (timestamp == null) {
			timestamp = new Date();
		}
		setAttribute(ATTR_TIMESTAMP_PICKUP, timestamp);
		Date timestampCreate = getTimestampCreate();
		long duration = timestampCreate != null ? timestamp.getTime() - timestampCreate.getTime() : 0;
		setAttribute(ATTR_DURATION_PICKUP, duration);
		return this;
	}

	@JsonIgnore
	public String getNodePickup() {
		return getAttribute(ATTR_NODE_PICKUP, String.class);
	}

	public TaskLogBo setNodePickup(String nodeName) {
		return (TaskLogBo) setAttribute(ATTR_NODE_PICKUP, nodeName != null ? nodeName.trim() : "");
	}

	@JsonIgnore
	public int getDurationPickup() {
		Integer duration = getAttribute(ATTR_DURATION_PICKUP, Integer.class);
		return duration != null ? duration.intValue() : 0;
	}

	@JsonIgnore
	public Date getTimestampFinish() {
		return getAttribute(ATTR_TIMESTAMP_FINISH, Date.class);
	}

	public TaskLogBo setTimestampFinish(Date timestamp) {
		if (timestamp == null) {
			timestamp = new Date();
		}
		setAttribute(ATTR_TIMESTAMP_FINISH, timestamp);
		Date timestampPickup = getTimestampPickup();
		long duration = timestampPickup != null ? timestamp.getTime() - timestampPickup.getTime() : 0;
		setAttribute(ATTR_DURATION_FINISH, duration);
		return this;
	}

	@JsonIgnore
	public int getDurationFinish() {
		Integer duration = getAttribute(ATTR_DURATION_FINISH, Integer.class);
		return duration != null ? duration.intValue() : 0;
	}

}