Java tutorial
/* * Copyright 2015-2016 EMBL - European Bioinformatics Institute * * Licensed 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 uk.ac.ebi.eva.pipeline.jobs; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.batch.core.Job; import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing; import org.springframework.batch.core.configuration.annotation.JobBuilderFactory; import org.springframework.batch.core.job.builder.FlowJobBuilder; import org.springframework.batch.core.job.builder.JobBuilder; import org.springframework.batch.core.job.flow.Flow; import org.springframework.batch.core.launch.support.RunIdIncrementer; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Import; import uk.ac.ebi.eva.pipeline.jobs.steps.VariantLoaderStep; import javax.annotation.PostConstruct; /** * Complete pipeline workflow for aggregated VCF. * Aggregated statistics are provided in the VCF instead of the genotypes. * * transform ---> load --> (optionalAnnotationFlow: variantsAnnotGenerateInput --> (annotationCreate --> annotationLoad)) * * Steps in () are optional */ @Configuration @EnableBatchProcessing @Import({ VariantLoaderStep.class, AnnotationJob.class }) public class AggregatedVcfJob extends CommonJobStepInitialization { private static final Logger logger = LoggerFactory.getLogger(AggregatedVcfJob.class); private static final String jobName = "load-aggregated-vcf"; //job default settings private static final boolean INCLUDE_SAMPLES = false; private static final boolean COMPRESS_GENOTYPES = false; private static final boolean CALCULATE_STATS = true; private static final boolean INCLUDE_STATS = true; @PostConstruct public void configureDefaultVariantOptions() { getJobOptions().configureGenotypesStorage(INCLUDE_SAMPLES, COMPRESS_GENOTYPES); getJobOptions().configureStatisticsStorage(CALCULATE_STATS, INCLUDE_STATS); } @Autowired private JobBuilderFactory jobBuilderFactory; @Autowired private Flow optionalAnnotationFlow; @Autowired private VariantLoaderStep variantLoaderStep; @Bean @Qualifier("aggregatedJob") public Job aggregatedJob() { logger.debug("Building variant aggregated job"); JobBuilder jobBuilder = jobBuilderFactory.get(jobName).incrementer(new RunIdIncrementer()); FlowJobBuilder builder = jobBuilder.flow(normalize()).next(load(variantLoaderStep)) .next(optionalAnnotationFlow).end(); return builder.build(); } }