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NIFI-957 Added the possibility to use DefaultSchedule annotation in reporting tasks 

This closes #1400
This commit is contained in:
Pierre Villard 2017-01-05 23:14:37 +01:00 committed by Oleg Zhurakousky
parent 67e2459660
commit 89f1bd3189
4 changed files with 70 additions and 5 deletions
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5
nifi-api/src/main/java/org/apache/nifi/annotation/configuration/DefaultSchedule.java
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@ -28,8 +28,9 @@ import java.lang.annotation.Inherited;
/**
* <p>
* Marker interface that a Processor can use to configure the schedule strategy, the period and the number of concurrent tasks.
* Note that the number of Concurrent tasks will be ignored if the annotion @TriggerSerialy is used
* Marker interface that a Processor can use to configure default settings for the schedule strategy, the period and the number of concurrent tasks.
* Marker interface that a ReportingTask can use to configure default settings the schedule strategy and the period.
* Note that the number of Concurrent tasks will be ignored if the annotation @TriggerSerialy is used
* </p>
*/
@Documented

24
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/reporting/AbstractReportingTaskNode.java
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@ -16,6 +16,7 @@
*/
package org.apache.nifi.controller.reporting;
import org.apache.nifi.annotation.configuration.DefaultSchedule;
import org.apache.nifi.components.ValidationResult;
import org.apache.nifi.controller.AbstractConfiguredComponent;
import org.apache.nifi.controller.ConfigurationContext;
@ -40,8 +41,14 @@ import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.annotation.AnnotationUtils;
public abstract class AbstractReportingTaskNode extends AbstractConfiguredComponent implements ReportingTaskNode {
private static final Logger LOG = LoggerFactory.getLogger(AbstractReportingTaskNode.class);
private final ReportingTask reportingTask;
private final ProcessScheduler processScheduler;
private final ControllerServiceLookup serviceLookup;
@ -72,6 +79,23 @@ public abstract class AbstractReportingTaskNode extends AbstractConfiguredCompon
this.reportingTask = reportingTask;
this.processScheduler = processScheduler;
this.serviceLookup = controllerServiceProvider;
final Class<?> reportingClass = reportingTask.getClass();
DefaultSchedule dsc = AnnotationUtils.findAnnotation(reportingClass, DefaultSchedule.class);
if(dsc != null) {
try {
this.setSchedulingStrategy(dsc.strategy());
} catch (Throwable ex) {
LOG.error(String.format("Error while setting scheduling strategy from DefaultSchedule annotation: %s", ex.getMessage()), ex);
}
try {
this.setSchedulingPeriod(dsc.period());
} catch (Throwable ex) {
this.setSchedulingStrategy(SchedulingStrategy.TIMER_DRIVEN);
LOG.error(String.format("Error while setting scheduling period from DefaultSchedule annotation: %s", ex.getMessage()), ex);
}
}
}
@Override

34
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/test/java/org/apache/nifi/controller/DummyScheduledReportingTask.java Normal file
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@ -0,0 +1,34 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.nifi.controller;
import org.apache.nifi.annotation.configuration.DefaultSchedule;
import org.apache.nifi.reporting.AbstractReportingTask;
import org.apache.nifi.reporting.ReportingContext;
import org.apache.nifi.scheduling.SchedulingStrategy;
/**
* Dummy reporting task to test @DefaultSchedule annotation
*/
@DefaultSchedule(strategy = SchedulingStrategy.CRON_DRIVEN, period = "0 0 0 1/1 * ?")
public class DummyScheduledReportingTask extends AbstractReportingTask {
@Override
public void onTrigger(ReportingContext context) {
}
}

10
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/test/java/org/apache/nifi/controller/TestFlowController.java
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@ -333,7 +333,7 @@ public class TestFlowController {
}
@Test
public void testProcessorDefaultScheduleAnnotation() throws ProcessorInstantiationException,ClassNotFoundException,InstantiationException,IllegalAccessException {
public void testProcessorDefaultScheduleAnnotation() throws ProcessorInstantiationException {
ProcessorNode p_scheduled = controller.createProcessor(DummyScheduledProcessor.class.getName(),"1234-ScheduledProcessor");
assertEquals(5,p_scheduled.getMaxConcurrentTasks());
assertEquals(SchedulingStrategy.CRON_DRIVEN,p_scheduled.getSchedulingStrategy());
@ -344,8 +344,14 @@ public class TestFlowController {
}
@Test
public void testProcessorDefaultSettingsAnnotation() throws ProcessorInstantiationException,ClassNotFoundException {
public void testReportingTaskDefaultScheduleAnnotation() throws ReportingTaskInstantiationException {
ReportingTaskNode p_scheduled = controller.createReportingTask(DummyScheduledReportingTask.class.getName());
assertEquals(SchedulingStrategy.CRON_DRIVEN,p_scheduled.getSchedulingStrategy());
assertEquals("0 0 0 1/1 * ?",p_scheduled.getSchedulingPeriod());
}
@Test
public void testProcessorDefaultSettingsAnnotation() throws ProcessorInstantiationException {
ProcessorNode p_settings = controller.createProcessor(DummySettingsProcessor.class.getName(),"1234-SettingsProcessor");
assertEquals("5 sec",p_settings.getYieldPeriod());
assertEquals("1 min",p_settings.getPenalizationPeriod());