BATCH-676: Added sample jobs for non sequential execution and decisions

spring-batch-samples/src/main/java/org/springframework/batch/sample/domain/nonSequential/internal/ErrorLogWriter.java

@@ -0,0 +1,26 @@
+package org.springframework.batch.sample.domain.nonSequential.internal;
+
+import javax.sql.DataSource;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.springframework.batch.core.ExitStatus;
+import org.springframework.batch.core.StepContribution;
+import org.springframework.batch.core.step.tasklet.Tasklet;
+import org.springframework.core.AttributeAccessor;
+import org.springframework.jdbc.core.simple.SimpleJdbcTemplate;
+
+public class ErrorLogWriter implements Tasklet {
+
+	protected final Log logger = LogFactory.getLog(getClass());
+	private SimpleJdbcTemplate simpleJdbcTemplate;
+
+	public ExitStatus execute(StepContribution contribution, AttributeAccessor attributes) throws Exception {
+		this.simpleJdbcTemplate.update("insert into ERROR_LOG values ('Some records were skipped!')");
+		return ExitStatus.FINISHED;
+	}
+
+	public void setDataSource(DataSource dataSource) {
+		this.simpleJdbcTemplate = new SimpleJdbcTemplate(dataSource);
+	}
+}

spring-batch-samples/src/main/java/org/springframework/batch/sample/domain/nonSequential/internal/SkipCheckingDecider.java

@@ -0,0 +1,18 @@
+package org.springframework.batch.sample.domain.nonSequential.internal;
+
+import org.springframework.batch.core.ExitStatus;
+import org.springframework.batch.core.JobExecution;
+import org.springframework.batch.core.StepExecution;
+import org.springframework.batch.core.job.flow.support.state.JobExecutionDecider;
+
+public class SkipCheckingDecider implements JobExecutionDecider {
+
+	public String decide(JobExecution jobExecution, StepExecution stepExecution) {
+		if (!stepExecution.getExitStatus().getExitCode().equals(ExitStatus.FAILED.getExitCode())
+				&& stepExecution.getSkipCount() > 0) {
+			return "COMPLETED WITH SKIPS";
+		} else {
+			return ExitStatus.FINISHED.getExitCode();
+		}
+	}
+}

spring-batch-samples/src/main/java/org/springframework/batch/sample/domain/nonSequential/internal/SkipCheckingListener.java

@@ -0,0 +1,20 @@
+package org.springframework.batch.sample.domain.nonSequential.internal;
+
+import org.springframework.batch.core.ExitStatus;
+import org.springframework.batch.core.StepExecution;
+import org.springframework.batch.core.StepExecutionListener;
+
+public class SkipCheckingListener implements StepExecutionListener {
+
+	public ExitStatus afterStep(StepExecution stepExecution) {
+		if (!stepExecution.getExitStatus().getExitCode().equals(ExitStatus.FAILED.getExitCode())
+				&& stepExecution.getSkipCount() > 0) {
+			return new ExitStatus(false, "COMPLETED WITH SKIPS");
+		} else {
+			return null;
+		}
+	}
+
+	public void beforeStep(StepExecution stepExecution) {
+	}
+}