001 package org.apache.oozie.executor.jpa; 002 003 import javax.persistence.EntityManager; 004 import javax.persistence.Query; 005 006 import org.apache.oozie.ErrorCode; 007 import org.apache.oozie.util.ParamChecker; 008 009 /** 010 * Load the number of actions for a bundle job. 011 */ 012 public class BundleActionsCountForJobGetJPAExecutor implements JPAExecutor<Integer> { 013 014 private String bundleJobId = null; 015 016 public BundleActionsCountForJobGetJPAExecutor(String bundleJobId) { 017 ParamChecker.notNull(bundleJobId, "bundleJobId"); 018 this.bundleJobId = bundleJobId; 019 } 020 021 @Override 022 public String getName() { 023 return "BundleActionsCountForJobGetJPAExecutor"; 024 } 025 026 @Override 027 public Integer execute(EntityManager em) throws JPAExecutorException { 028 try { 029 Query q = em.createNamedQuery("GET_BUNDLE_ACTIONS_COUNT_BY_JOB"); 030 031 q.setParameter("bundleId", bundleJobId); 032 Long count = (Long) q.getSingleResult(); 033 return Integer.valueOf(count.intValue()); 034 } 035 catch (Exception e) { 036 throw new JPAExecutorException(ErrorCode.E0603, e); 037 } 038 } 039 040 }