| /* |
| * 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.batchee.test; |
| |
| import org.apache.batchee.container.jsl.ExecutionElement; |
| import org.apache.batchee.container.jsl.JobModelResolver; |
| import org.apache.batchee.container.services.loader.DefaultJobXMLLoaderService; |
| import org.apache.batchee.jaxb.Batchlet; |
| import org.apache.batchee.jaxb.Chunk; |
| import org.apache.batchee.jaxb.End; |
| import org.apache.batchee.jaxb.Fail; |
| import org.apache.batchee.jaxb.ItemProcessor; |
| import org.apache.batchee.jaxb.ItemReader; |
| import org.apache.batchee.jaxb.ItemWriter; |
| import org.apache.batchee.jaxb.JSLJob; |
| import org.apache.batchee.jaxb.JSLProperties; |
| import org.apache.batchee.jaxb.Next; |
| import org.apache.batchee.jaxb.Property; |
| import org.apache.batchee.jaxb.Step; |
| import org.apache.batchee.jaxb.Stop; |
| |
| import java.util.List; |
| |
| // impl is not a real builder (see immutability etc) |
| // but this is more to propose a nice and fluent API than anything else |
| public class StepBuilder { |
| public static Step extractFromXml(final String xml, final String name) { |
| final JSLJob job = new JobModelResolver().resolveModel(new DefaultJobXMLLoaderService().loadJSL(xml.replace(".xml", ""))); |
| if (name != null) { |
| for (final ExecutionElement step : job.getExecutionElements()) { |
| if (Step.class.isInstance(step) && name.equals(Step.class.cast(step).getId())) { |
| return Step.class.cast(step); |
| } |
| } |
| } |
| if (job.getExecutionElements().size() == 1) { |
| return Step.class.cast(job.getExecutionElements().iterator().next()); |
| } |
| throw new IllegalArgumentException("Step '" + name + "' nor found."); |
| } |
| |
| public static StepBuilder newStep() { |
| return new StepBuilder(); |
| } |
| |
| public static BatchletBuilder newBatchlet() { |
| return new StepBuilder().batchlet(); |
| } |
| |
| public static ChunkBuilder newChunk() { |
| return new StepBuilder().chunk(); |
| } |
| |
| private StepBuilder() { |
| // no-op |
| } |
| |
| private final Step step = new Step(); |
| |
| public BatchletBuilder batchlet() { |
| final Batchlet batchlet = new Batchlet(); |
| batchlet.setProperties(new JSLProperties()); |
| step.setBatchlet(batchlet); |
| return new BatchletBuilder(batchlet, this); |
| } |
| |
| public ChunkBuilder chunk() { |
| final Chunk chunk = new Chunk(); |
| step.setChunk(chunk); |
| return new ChunkBuilder(chunk, this); |
| } |
| |
| public StepBuilder property(final String key, final String value) { |
| addProperty(key, value, step.getProperties().getPropertyList()); |
| return this; |
| } |
| |
| public StepBuilder name(final String name) { |
| step.setId(name); |
| return this; |
| } |
| |
| public StepBuilder failOn(final String on) { |
| return failOn(on, null); |
| } |
| |
| public StepBuilder failOn(final String on, final String exitStatus) { |
| final Fail fail = new Fail(); |
| fail.setOn(on); |
| fail.setExitStatus(exitStatus); |
| step.getTransitionElements().add(fail); |
| return this; |
| } |
| |
| public StepBuilder endOn(final String on) { |
| return endOn(on, null); |
| } |
| |
| public StepBuilder endOn(final String on, final String exitStatus) { |
| final End end = new End(); |
| end.setOn(on); |
| end.setExitStatus(exitStatus); |
| step.getTransitionElements().add(end); |
| return this; |
| } |
| |
| public StepBuilder stopOn(final String on, final String restart) { |
| return stopOn(on, restart, null); |
| } |
| |
| public StepBuilder stopOn(final String on, final String restart, final String exitStatus) { |
| final Stop stop = new Stop(); |
| stop.setOn(on); |
| stop.setExitStatus(exitStatus); |
| stop.setRestart(restart); |
| step.getTransitionElements().add(stop); |
| return this; |
| } |
| |
| public StepBuilder nextOn(final String on, final String to) { |
| final Next next = new Next(); |
| next.setOn(on); |
| next.setTo(to); |
| step.getTransitionElements().add(next); |
| return this; |
| } |
| |
| public Step create() { |
| if (step.getId() == null) { |
| step.setId("batchee-test"); // can't be null |
| } |
| return step; |
| } |
| |
| public static class BatchletBuilder { |
| private final Batchlet toBuild; |
| private final StepBuilder parent; |
| |
| private BatchletBuilder(final Batchlet batchlet, final StepBuilder stepBuilder) { |
| toBuild = batchlet; |
| parent = stepBuilder; |
| } |
| |
| public BatchletBuilder ref(final String ref) { |
| toBuild.setRef(ref); |
| return this; |
| } |
| |
| public BatchletBuilder property(final String key, final String value) { |
| addProperty(key, value, toBuild.getProperties().getPropertyList()); |
| return this; |
| } |
| |
| public StepBuilder up() { |
| return parent; |
| } |
| |
| public Step create() { |
| return up().create(); |
| } |
| } |
| |
| public static class WriterBuilder { |
| private final ItemWriter toBuild; |
| private final ChunkBuilder parent; |
| |
| private WriterBuilder(final ItemWriter batchlet, final ChunkBuilder stepBuilder) { |
| toBuild = batchlet; |
| parent = stepBuilder; |
| } |
| |
| public WriterBuilder ref(final String ref) { |
| toBuild.setRef(ref); |
| return this; |
| } |
| |
| public WriterBuilder property(final String key, final String value) { |
| addProperty(key, value, toBuild.getProperties().getPropertyList()); |
| return this; |
| } |
| |
| public ChunkBuilder up() { |
| return parent; |
| } |
| |
| public Step create() { |
| return up().up().create(); |
| } |
| } |
| |
| public static class ProcessorBuilder { |
| private final ItemProcessor toBuild; |
| private final ChunkBuilder parent; |
| |
| private ProcessorBuilder(final ItemProcessor batchlet, final ChunkBuilder stepBuilder) { |
| toBuild = batchlet; |
| parent = stepBuilder; |
| } |
| |
| public ProcessorBuilder ref(final String ref) { |
| toBuild.setRef(ref); |
| return this; |
| } |
| |
| public ProcessorBuilder property(final String key, final String value) { |
| addProperty(key, value, toBuild.getProperties().getPropertyList()); |
| return this; |
| } |
| |
| public WriterBuilder writer() { |
| return up().writer(); |
| } |
| |
| public ChunkBuilder up() { |
| return parent; |
| } |
| } |
| |
| public static class ReaderBuilder { |
| private final ItemReader toBuild; |
| private final ChunkBuilder parent; |
| |
| private ReaderBuilder(final ItemReader batchlet, final ChunkBuilder stepBuilder) { |
| toBuild = batchlet; |
| parent = stepBuilder; |
| } |
| |
| public ReaderBuilder ref(final String ref) { |
| toBuild.setRef(ref); |
| return this; |
| } |
| |
| public ReaderBuilder property(final String key, final String value) { |
| addProperty(key, value, toBuild.getProperties().getPropertyList()); |
| return this; |
| } |
| |
| public ProcessorBuilder processor() { |
| return up().processor(); |
| } |
| |
| public WriterBuilder writer() { |
| return up().writer(); |
| } |
| |
| public ChunkBuilder up() { |
| return parent; |
| } |
| } |
| |
| public static class ChunkBuilder { |
| private final StepBuilder parent; |
| private final Chunk toBuild; |
| |
| private ChunkBuilder(final Chunk chunk, final StepBuilder stepBuilder) { |
| toBuild = chunk; |
| parent = stepBuilder; |
| } |
| |
| public ReaderBuilder reader() { |
| final ItemReader reader = new ItemReader(); |
| reader.setProperties(new JSLProperties()); |
| toBuild.setReader(reader); |
| return new ReaderBuilder(reader, this); |
| } |
| |
| public ProcessorBuilder processor() { |
| final ItemProcessor processor = new ItemProcessor(); |
| processor.setProperties(new JSLProperties()); |
| toBuild.setProcessor(processor); |
| return new ProcessorBuilder(processor, this); |
| } |
| |
| public WriterBuilder writer() { |
| final ItemWriter writer = new ItemWriter(); |
| writer.setProperties(new JSLProperties()); |
| toBuild.setWriter(writer); |
| return new WriterBuilder(writer, this); |
| } |
| |
| public ChunkBuilder retryLimit(final int retry) { |
| toBuild.setRetryLimit(Integer.toString(retry)); |
| return this; |
| } |
| |
| public ChunkBuilder checkpointPolicy(final String policy) { |
| toBuild.setCheckpointPolicy(policy); |
| return this; |
| } |
| |
| public StepBuilder up() { |
| return parent; |
| } |
| } |
| |
| private static void addProperty(final String key, final String value, final List<Property> propertyList) { |
| final Property e = new Property(); |
| e.setName(key); |
| e.setValue(value); |
| propertyList.add(e); |
| } |
| } |