1 files changed, 46 insertions, 0 deletions
diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/process/ExpressionEvaluationContextImpl.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/process/ExpressionEvaluationContextImpl.java
new file mode 100644
index 00000000..5a85487f
--- /dev/null
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/idp/process/ExpressionEvaluationContextImpl.java
@@ -0,0 +1,46 @@
+/*******************************************************************************
+ *******************************************************************************/
+package at.gv.egiz.eaaf.core.impl.idp.process;
+
+import java.io.Serializable;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+import at.gv.egiz.eaaf.core.api.idp.process.ExecutionContext;
+import at.gv.egiz.eaaf.core.api.idp.process.ExpressionEvaluationContext;
+
+/**
+ * Context implementation used for expression evaluation only.
+ * 
+ * @author tknall
+ * 
+ */
+public class ExpressionEvaluationContextImpl implements ExpressionEvaluationContext {
+
+	private static final long serialVersionUID = 1L;
+
+	private Map<String, Serializable> ctxData;
+
+	/**
+	 * Creates a new instance and initializes it with data from a given process instance.
+	 * 
+	 * @param processInstance
+	 *            The process instance.
+	 */
+	ExpressionEvaluationContextImpl(ProcessInstance processInstance) {
+		ExecutionContext executionContext = processInstance.getExecutionContext();
+		Set<String> keys = executionContext.keySet();
+		ctxData = Collections.synchronizedMap(new HashMap<String, Serializable>(keys.size()));
+		for (String key : keys) {
+			ctxData.put(key, executionContext.get(key));
+		}
+	}
+
+	@Override
+	public Map<String, Serializable> getCtx() {
+		return Collections.unmodifiableMap(ctxData);
+	}
+
+}