package com.atlassian.scheduler.core.status;
   
   import com.atlassian.scheduler.config.JobId;
   import com.atlassian.scheduler.config.JobRunnerKey;
   import com.atlassian.scheduler.config.RunMode;
   import com.atlassian.scheduler.config.Schedule;
   import com.atlassian.scheduler.status.JobDetails;
   
   import javax.annotation.Nonnull;
  import javax.annotation.Nullable;
  import java.util.Date;
  
  import static com.atlassian.scheduler.util.Safe.copy;
  import static com.atlassian.util.concurrent.Assertions.notNull;
  
  /**
   * Base implementation for {@link JobDetails}.
   *
   * @since v1.0
   */
  public abstract class AbstractJobDetails implements JobDetails {
      protected final JobId jobId;
      protected final JobRunnerKey jobRunnerKey;
      protected final RunMode runMode;
      protected final Schedule schedule;
  
      private final Date nextRunTime;
      private final byte[] rawParameters;
  
      protected AbstractJobDetails(JobId jobId, JobRunnerKey jobRunnerKey, RunMode runMode,
                                   Schedule schedule, @Nullable Date nextRunTime, @Nullable byte[] rawParameters) {
          this.jobId = notNull("jobId", jobId);
          this.jobRunnerKey = notNull("jobRunnerKey", jobRunnerKey);
          this.runMode = notNull("runMode", runMode);
          this.schedule = notNull("schedule", schedule);
          this.nextRunTime = copy(nextRunTime);
          this.rawParameters = copy(rawParameters);
      }
  
      @Nonnull
      public final JobId getJobId() {
          return jobId;
      }
  
      @Nonnull
      public final JobRunnerKey getJobRunnerKey() {
          return jobRunnerKey;
      }
  
      @Nonnull
      public final RunMode getRunMode() {
          return runMode;
      }
  
      @Nonnull
      public Schedule getSchedule() {
          return schedule;
      }
  
      @Nullable
      public Date getNextRunTime() {
          return copy(nextRunTime);
      }
  
      /**
       * Returns the raw bytes from the job's parameters.
       * <p>
       * This is not part of the public API.  It is intended for the persistence layer to use for accessing the raw
       * parameters and/or a troubleshooting tool for a management interface to use.  For example, it might try to
       * deserialize the map with the application's class loader or read the raw serialization data to show the
       * administrator whatever information can be pulled out of it.
       * </p>
       *
       * @return a copy of the raw bytes that encode the job's parameters, or {@code null} if the parameter map
       * was empty.
       */
      @Nullable
      public final byte[] getRawParameters() {
          return copy(rawParameters);
      }
  
      @Override
      public final String toString() {
          final StringBuilder sb = new StringBuilder(128).append(getClass().getSimpleName())
                  .append("[jobId=").append(jobId)
                  .append(",jobRunnerKey=").append(jobRunnerKey)
                  .append(",runMode=").append(runMode)
                  .append(",schedule=").append(schedule)
                  .append(",nextRunTime=").append(nextRunTime)
                  .append(",rawParameters=(");
          if (rawParameters == null) {
              sb.append("null)");
          } else {
              sb.append(rawParameters.length).append(" bytes)");
          }
          appendToStringDetails(sb);
          return sb.append(']').toString();
      }
  
     protected abstract void appendToStringDetails(final StringBuilder sb);
 }