From 036c31a1dcff04784946159c2612e48bf2ec9e0e Mon Sep 17 00:00:00 2001
From: Thomas Knall <t.knall@datentechnik-innovation.com>
Date: Mon, 2 Feb 2015 14:03:17 +0100
Subject: Fix persistence.

---
 .../moa/id/process/dao/ProcessInstanceStore.java     |  3 ++-
 .../id/process/dao/ProcessInstanceStoreDAOImpl.java  | 20 +++++++++++++-------
 2 files changed, 15 insertions(+), 8 deletions(-)

(limited to 'id')

diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/dao/ProcessInstanceStore.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/dao/ProcessInstanceStore.java
index 010f8d984..625199cd2 100644
--- a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/dao/ProcessInstanceStore.java
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/dao/ProcessInstanceStore.java
@@ -1,6 +1,7 @@
 package at.gv.egovernment.moa.id.process.dao;
 
 import java.io.Serializable;
+import java.util.HashMap;
 import java.util.Map;
 
 import javax.persistence.Column;
@@ -39,7 +40,7 @@ public class ProcessInstanceStore {
 	@Column(name = "executionContextData", nullable = false)
 	@Lob
 	@ElementCollection(fetch=FetchType.EAGER)
-	private Map<String, Serializable> executionContextData;
+	private Map<String, Serializable> executionContextData = new HashMap<>();
 
 	public String getProcessInstanceId() {
 		return processInstanceId;
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/dao/ProcessInstanceStoreDAOImpl.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/dao/ProcessInstanceStoreDAOImpl.java
index e9e977d53..0a50afc6c 100644
--- a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/dao/ProcessInstanceStoreDAOImpl.java
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/dao/ProcessInstanceStoreDAOImpl.java
@@ -67,6 +67,11 @@ public class ProcessInstanceStoreDAOImpl implements ProcessInstanceStoreDAO {
 				MOASessionDBUtils.closeSession();
 			}
 		}
+		if (result != null) {
+			log.debug("Found process instance store for instance '{}'.", processInstanceId);
+		} else {
+			log.debug("Unable to find process instance store for instance '{}'.", processInstanceId);
+		}
 		return result;
 	}
 
@@ -74,14 +79,15 @@ public class ProcessInstanceStoreDAOImpl implements ProcessInstanceStoreDAO {
 	public void remove(String processInstanceId) throws MOADatabaseException {
 
 		log.debug("Delete the ProcessInstanceStore for id='{}' from the database.", processInstanceId);
-
 		ProcessInstanceStore toBeDeleted = load(processInstanceId);
-		boolean deleted = MOASessionDBUtils.delete(toBeDeleted);
-		if (!deleted) {
-			log.warn("Could not delete the ProcessInstanceStore with process instance id '{}'", processInstanceId);
-			throw new MOADatabaseException("Could not delete the ProcessInstanceStore with process instance id '"
-					+ processInstanceId + "'.");
-		}
+		if (toBeDeleted != null) {
+			if (!MOASessionDBUtils.delete(toBeDeleted)) {
+				log.warn("Could not delete the ProcessInstanceStore with process instance id '{}'", processInstanceId);
+				throw new MOADatabaseException("Could not delete the ProcessInstanceStore with process instance id '"
+						+ processInstanceId + "'.");
+			}
+		} else 
+			log.trace("ProcessInstanceStore for id='{}' was not found and could therefore not be deleted.", processInstanceId);
 	}
 
 }
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