@Retention(RUNTIME)
@Documented
@Constraint(validatedBy = CronExpressionValidator.class)
public @interface CronExpression {

    /**
     * The error message when validation fails.
     * @return the error message
     */
    String message() default "{org.lastaflute.validator.constraints.CronExpression.message}";

    /**
     * The validation groups this constraint belongs to.
     * @return the groups
     */

{"name":"Suggest Indexer","target":"all","cronExpression":"0 12 * * *","scriptType":"groovy","scriptData":"return container.getComponent(\"suggestJob\").logLevel(\"info\").sessionId(\"SUGGEST\").execute(executor);","jobLogging":true,"crawler":false,"available":true,"sortOrder":2,"createdBy":"system","createdTime":0,"updatedBy":"system","updatedTime":0}
{"index":{"_index":"fess_config.scheduled_job","_id":"log_aggregator"}}

    }

    public String getCronExpression() {
        checkSpecifiedProperty("cronExpression");
        return convertEmptyToNull(cronExpression);
    }

    public void setCronExpression(String value) {
        registerModifiedProperty("cronExpression");
        this.cronExpression = value;
    }

    public Boolean getJobLogging() {
        checkSpecifiedProperty("jobLogging");

     */
    @Required
    @Size(max = 100)
    public String target;

    /**
     * The cron expression defining when the job should run.
     */
    @Size(max = 100)
    @CronExpression
    public String cronExpression;

    /**
     * The type of script for the scheduled job.
     */
    @Required
    @Size(max = 100)
    public String scriptType;

    /**

/**
 * Validator implementation for the CronExpression constraint.
 */
public class CronExpressionValidator implements ConstraintValidator<CronExpression, String> {

    /**
     * Default constructor.
     */
    public CronExpressionValidator() {
        // Empty constructor
    }

    @Override
    public void initialize(final CronExpression constraintAnnotation) {
    }

    @Override

    @Override
    public String toString() {
        return "ScheduledJob [available=" + available + ", crawler=" + crawler + ", createdBy=" + createdBy + ", createdTime=" + createdTime
                + ", cronExpression=" + cronExpression + ", jobLogging=" + jobLogging + ", name=" + name + ", scriptData=" + scriptData
                + ", scriptType=" + scriptType + ", sortOrder=" + sortOrder + ", target=" + target + ", updatedBy=" + updatedBy

                                    <label for="cronExpression" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.scheduledjob_cronExpression"/></label>
                                    <div class="col-sm-9">
                                        <la:errors property="cronExpression"/>
                                        <la:text styleId="cronExpression" property="cronExpression"

        assertTrue(validator.determineValid("\t"));
        assertTrue(validator.determineValid("\n"));
    }

    public void test_initialize() {
        final CronExpression cronExpression = null;
        validator.initialize(cronExpression);
    }

    public void test_determineValid_invalidExpressions() {
        assertFalse(validator.determineValid("invalid"));

{
    "properties": {
      "name": {
        "type": "keyword"
      },
      "target": {
        "type": "keyword"
      },
      "cronExpression": {
        "type": "keyword"
      },
      "scriptType": {
        "type": "keyword"
      },
      "scriptData": {
        "type": "keyword"
      },
      "crawler": {
        "type": "boolean"
      },
      "jobLogging": {
        "type": "boolean"
      },

            "type" : "boolean"
          },
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },
          "cronExpression" : {
            "type" : "keyword"
          },
          "jobLogging" : {
            "type" : "boolean"
          },
          "name" : {
            "type" : "keyword"
          },