REOPENED - issue BATCH-640: FieldSetMapper.mapLine() should contain the line number

spring-batch-core/src/main/java/org/springframework/batch/core/explore/BatchMetaDataExplorer.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2006-2007 the original author or authors.
+ *
+ * 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 org.springframework.batch.core.explore;
+
+import java.util.Collection;
+import java.util.Date;
+import java.util.EnumSet;
+
+import org.springframework.batch.core.BatchStatus;
+import org.springframework.batch.core.JobExecution;
+import org.springframework.batch.core.JobInstance;
+
+/**
+ * @author Dave Syer
+ * 
+ */
+public interface BatchMetaDataExplorer {
+
+	int countJobExecutionsByStatus(EnumSet<BatchStatus> statuses);
+
+	/**
+	 * @param statuses the status values to search
+	 * @param start the start record (defaults to 0)
+	 * @param count the maximum number of objects to return 
+	 * @return the {@link JobExecution} objects that have the provided status,
+	 * sorted in reverse order by start time.
+	 */
+	Collection<JobExecution> findJobExecutionsByStatus(EnumSet<BatchStatus> statuses, int start, int count);
+	
+	int countJobExecutionsByDate(Date from, Date to);
+
+	Collection<JobExecution> findJobExecutionsByDate(Date from, Date to, int start, int count);
+
+	Collection<JobInstance> findJobInstancesByJobName(String jobName);
+
+	Collection<JobExecution> getJobExecutionsForJobInstance(JobInstance jobInstance);
+
+}