From df7ff880bf842e5306a4cfa462d16427743ed6ab Mon Sep 17 00:00:00 2001
From: Jeanette Clark <jclark@nceas.ucsb.edu>
Date: Thu, 24 Aug 2023 13:14:44 -0700
Subject: [PATCH] make sure to close the jep interpreter once we are finished

---
 .../nceas/mdqengine/dispatch/Dispatcher.java  | 22 ++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/src/main/java/edu/ucsb/nceas/mdqengine/dispatch/Dispatcher.java b/src/main/java/edu/ucsb/nceas/mdqengine/dispatch/Dispatcher.java
index e253341f..3f15a9f1 100644
--- a/src/main/java/edu/ucsb/nceas/mdqengine/dispatch/Dispatcher.java
+++ b/src/main/java/edu/ucsb/nceas/mdqengine/dispatch/Dispatcher.java
@@ -179,6 +179,15 @@ public Result dispatch(Map<String, Object> variables, String code) throws Script
 		// harvest all other vars for downstream dispatchers
 		bindings = engine.getBindings(ScriptContext.ENGINE_SCOPE);
 
+		if (engine instanceof SharedInterpreter) {
+            SharedInterpreter jepInterpreter = (SharedInterpreter) engine;
+            try {
+				jepInterpreter.close(); // Call the shutdown() method for SharedInterpreter
+			} catch (JepException je) {
+				throw new RuntimeException("Unable to close jep SharedInterpreter");
+			}
+        } 
+
 		return dr;
 
 	}
@@ -354,7 +363,7 @@ public JepScriptEngine() {
 		 * @param script The python script as a string
 		 * 
 		 * @throws RuntimeException If an error occurs during script execution.
-		 * @see jep.Jep.SharedInterpreter#exec()
+		 * @see jep.SharedInterpreter#exec()
 		 * 
 		 */
 		@Override
@@ -374,7 +383,7 @@ public Object eval(String script) throws RuntimeException {
 		 * @param key The key representing the value to retrieve.
 		 * @return The value associated with the key, if found.
 		 * @throws RuntimeException If an error occurs during value retrieval.
-		 * @see jep.Jep.SharedInterpreter#getValue(String)
+		 * @see jep.SharedInterpreter#getValue(String)
 		 */
 		@Override
 		public Object get(String key) {
@@ -392,7 +401,7 @@ public Object get(String key) {
 		 * @param key   The key to set.
 		 * @param value The value to assign to the key.
 		 * @throws RuntimeException If an error occurs.
-		 * @see jep.Jep.SharedInterpreter#setValue(String)
+		 * @see jep.SharedInterpreter#set(String, Object)
 		 */
 		@Override
 		public void put(String key, Object value) {
@@ -440,6 +449,10 @@ public Bindings getBindings(int scope) {
 			return this.globalBindings;
 		}
 
+		public String getEngineName() {
+			return "python";
+		}
+
 		@Override
 		public void setBindings(Bindings bindings, int scope) {
 			throw new UnsupportedOperationException(
@@ -530,8 +543,7 @@ public List<String> getExtensions() {
 
 		@Override
 		public String getLanguageName() {
-			throw new UnsupportedOperationException(
-					"getLanguageName is not implemented for the JepScriptEngineFactory class");
+			return "python";
 		}
 
 		@Override