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/**
 * Copyright (C) 2019 Bonitasoft S.A.
 * Bonitasoft, 32 rue Gustave Eiffel - 38000 Grenoble
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation
 * version 2.1 of the License.
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA 02110-1301, USA.
 **/
package org.bonitasoft.engine.service;

import java.util.Objects;
import java.util.concurrent.TimeUnit;

/**
 * result of the execution of a task using the broadcast service
 *
 * @author Baptiste Mesta
 */
public class TaskResult {

    private Throwable throwable;

    private T result;

    private Long timeout;

    private TimeUnit timeunit;

    public TaskResult(final Throwable e) {
        this.throwable = e;
    }

    public TaskResult(final T result) {
        this.result = result;
    }

    public TaskResult(final Long timeout, final TimeUnit timeunit) {
        this.timeout = timeout;
        this.timeunit = timeunit;
    }

    public static  TaskResult error(final Throwable e) {
        return new TaskResult(e);
    }

    public static  TaskResult ok(final T result) {
        return new TaskResult(result);
    }

    public static  TaskResult timeout(final long timeout, final TimeUnit timeunit) {
        return new TaskResult(timeout, timeunit);
    }

    public boolean isError() {
        return throwable != null;
    }

    public boolean isOk() {
        return !isError() && !isTimeout();
    }

    public boolean isTimeout() {
        return timeout != null;
    }

    /**
     * @return the result
     */
    public T getResult() {
        return result;
    }

    /**
     * @return the throwable
     */
    public Throwable getThrowable() {
        return throwable;
    }

    /**
     * @return the timeout
     */
    public Long getTimeout() {
        return timeout;
    }

    /**
     * @return the time unit
     */
    public TimeUnit getTimeunit() {
        return timeunit;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;
        TaskResult that = (TaskResult) o;
        return Objects.equals(throwable, that.throwable) &&
                Objects.equals(result, that.result) &&
                Objects.equals(timeout, that.timeout) &&
                timeunit == that.timeunit;
    }

    @Override
    public int hashCode() {
        return Objects.hash(throwable, result, timeout, timeunit);
    }

    @Override
    public String toString() {
        return "TaskResult{" +
                "throwable=" + throwable +
                ", result=" + result +
                ", timeout=" + timeout +
                ", timeunit=" + timeunit +
                '}';
    }
}