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authorThomas Knall <t.knall@datentechnik-innovation.com>2015-02-04 13:19:53 +0100
committerThomas Knall <t.knall@datentechnik-innovation.com>2015-02-04 13:19:53 +0100
commit215b326e807659b30c520478e8123a888df6d204 (patch)
treef821d0bf649202b7074dd59c2c807093011c9f2a /id/server/idserverlib/src
parenta22b7f1660560569701d086b4075192fa83ee6a8 (diff)
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Add comment to ProcessInstanceStore primary key field
Diffstat (limited to 'id/server/idserverlib/src')
-rw-r--r--id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/process/dao/ProcessInstanceStore.java9
1 files changed, 9 insertions, 0 deletions
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 582f50427..d690c37bf 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
@@ -19,6 +19,15 @@ import at.gv.egovernment.moa.id.process.ProcessInstanceState;
@Table(name = "processinstance")
public class ProcessInstanceStore {
+ /**
+ * A process instance identifier qualifies as natural primary key by satisfying these requirements
+ * ("unique, constant, required"):
+ * <ul>
+ * <li>unique value</li>
+ * <li>never changes (immutable)</li>
+ * <li>never {@code null}</li>
+ * </ul>
+ */
@Id
private String processInstanceId;