From 2e27b939251017882b323b6478c345439d486494 Mon Sep 17 00:00:00 2001
From: Christian Wagner <c.wagner@datentechnik-innovation.com>
Date: Mon, 2 Feb 2015 12:45:40 +0100
Subject: fix process instance persistence

---
 .../moa/id/process/ProcessInstance.java            | 26 ++++++++++------------
 .../moa/id/process/dao/ProcessInstanceStore.java   |  3 +++
 2 files changed, 15 insertions(+), 14 deletions(-)

(limited to 'id/server/idserverlib')

diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/ProcessInstance.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/ProcessInstance.java
index ef69451eb..a6cf3b57f 100644
--- a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/ProcessInstance.java
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/ProcessInstance.java
@@ -5,6 +5,8 @@ import java.util.Date;
 
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.commons.lang3.time.DurationFormatUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import at.gv.egovernment.moa.id.process.api.ExecutionContext;
 import at.gv.egovernment.moa.id.process.model.ProcessDefinition;
@@ -27,21 +29,12 @@ public class ProcessInstance implements Serializable {
 	private ExecutionContext executionContext;
 	private ProcessInstanceState state = ProcessInstanceState.NOT_STARTED;
 
-	/**
-	 * Creates a new process instance, based on a given process definition.<p/>
-	 * An execution context will be created internally.
-	 * 
-	 * @param processDefinition
-	 *            The process definition.
-	 */
-	ProcessInstance(ProcessDefinition processDefinition) {
-		this(processDefinition, null);
-	}
+	private Logger log = LoggerFactory.getLogger(getClass());
 
 	/**
 	 * Creates a new process instance, based on a given process definition and a
 	 * given execution context. If the given execution context is {@code null} a new execution context will be created.<p/>
-	 * The process instance id of the execution context will automatically be set (and overwritten if already set).
+	 * The process instance id of the execution context will be newly generated if it is {@code null} in the execution context.
 	 * 
 	 * @param processDefinition
 	 *            The process definition.
@@ -51,12 +44,17 @@ public class ProcessInstance implements Serializable {
 	ProcessInstance(ProcessDefinition processDefinition, ExecutionContext executionContext) {
 		this.processDefinition = processDefinition;
 		nextId = processDefinition.getStartEvent().getId();
-		String pdIdLocalPart = RandomStringUtils.random(RND_ID_LENGTH, 0, 0, true, true, null,
-				SecureRandomHolder.getInstance());
 		if (executionContext == null) {
 			executionContext = new ExecutionContextImpl();
 		}
-		executionContext.setProcessInstanceId(this.processDefinition.getId() + "-" + pdIdLocalPart);
+		if (executionContext.getProcessInstanceId() == null) {
+			String pdIdLocalPart = RandomStringUtils.random(RND_ID_LENGTH, 0, 0, true, true, null,
+					SecureRandomHolder.getInstance());
+			executionContext.setProcessInstanceId(this.processDefinition.getId() + "-" + pdIdLocalPart);
+		} else {
+			log.debug("Using process instance id from execution context.");
+		}
+		log.debug("Creating process instance with id '{}'.", executionContext.getProcessInstanceId());
 		this.executionContext = executionContext;
 		touch();
 	}
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 c86d0de3d..010f8d984 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
@@ -4,9 +4,11 @@ import java.io.Serializable;
 import java.util.Map;
 
 import javax.persistence.Column;
+import javax.persistence.ElementCollection;
 import javax.persistence.Entity;
 import javax.persistence.EnumType;
 import javax.persistence.Enumerated;
+import javax.persistence.FetchType;
 import javax.persistence.Id;
 import javax.persistence.Lob;
 import javax.persistence.Table;
@@ -36,6 +38,7 @@ public class ProcessInstanceStore {
 
 	@Column(name = "executionContextData", nullable = false)
 	@Lob
+	@ElementCollection(fetch=FetchType.EAGER)
 	private Map<String, Serializable> executionContextData;
 
 	public String getProcessInstanceId() {
-- 
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