Update appc-dispatcher for >1 ansible servers

Change Transaction record update logic to handle null instance entry.

Issue-ID: APPC-1516

Change-Id: Ia87e08fbb61d4d0be38802e3e81b45773b1d9498
Signed-off-by: Dunietz, Irwin <irwin.dunietz@att.com>

4 files changed, 292 insertions, 74 deletions

diff --git a/appc-dispatcher/appc-dispatcher-common/transaction-recorder/pom.xml b/appc-dispatcher/appc-dispatcher-common/transaction-recorder/pom.xml
index ca1bfc678..6747c58f0 100644
--- a/appc-dispatcher/appc-dispatcher-common/transaction-recorder/pom.xml
+++ b/appc-dispatcher/appc-dispatcher-common/transaction-recorder/pom.xml
@@ -61,6 +61,11 @@
             <scope>test</scope>
             <type>pom</type>
         </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
 
     </dependencies>
 
diff --git a/appc-dispatcher/appc-dispatcher-common/transaction-recorder/src/main/java/org/onap/appc/transactionrecorder/TransactionRecorder.java b/appc-dispatcher/appc-dispatcher-common/transaction-recorder/src/main/java/org/onap/appc/transactionrecorder/TransactionRecorder.java
index 17e0e2575..40bd0a71d 100644
--- a/appc-dispatcher/appc-dispatcher-common/transaction-recorder/src/main/java/org/onap/appc/transactionrecorder/TransactionRecorder.java
+++ b/appc-dispatcher/appc-dispatcher-common/transaction-recorder/src/main/java/org/onap/appc/transactionrecorder/TransactionRecorder.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP : APPC
  * ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Copyright (C) 2017 Amdocs
  * =============================================================================
@@ -45,10 +45,12 @@ public interface TransactionRecorder {
     /**
      * This method is called when a particular row in transactions needs to be updated
      * @param key This is TransactionId which uniquely identifies the record.
+     * @param requestId
      * @param updateColumns Map containing names of updated columns and their values.
      * @throws APPCException
      */
-    void update(String key, Map<TransactionConstants.TRANSACTION_ATTRIBUTES, String> updateColumns) throws APPCException;
+    void update(String key, String requestId, Map<TransactionConstants.TRANSACTION_ATTRIBUTES, String> updateColumns)
+            throws APPCException;
 
     /**
      * Marks all records in Transactions table in non-terminal state as ABORTED. This method is to be called during
diff --git a/appc-dispatcher/appc-dispatcher-common/transaction-recorder/src/main/java/org/onap/appc/transactionrecorder/impl/TransactionRecorderImpl.java b/appc-dispatcher/appc-dispatcher-common/transaction-recorder/src/main/java/org/onap/appc/transactionrecorder/impl/TransactionRecorderImpl.java
index 5c5d8fc24..12a3457d0 100644
--- a/appc-dispatcher/appc-dispatcher-common/transaction-recorder/src/main/java/org/onap/appc/transactionrecorder/impl/TransactionRecorderImpl.java
+++ b/appc-dispatcher/appc-dispatcher-common/transaction-recorder/src/main/java/org/onap/appc/transactionrecorder/impl/TransactionRecorderImpl.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP : APPC
  * ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Copyright (C) 2017 Amdocs
  * ================================================================================
@@ -109,14 +109,29 @@ public class TransactionRecorderImpl implements TransactionRecorder {
     }
 
     @Override
-    public void update(String key, Map<TransactionConstants.TRANSACTION_ATTRIBUTES, String> updateColumns) throws
-        APPCException {
+    public void update(String key,
+                       String requestId,
+                       Map<TransactionConstants.TRANSACTION_ATTRIBUTES, String> updateColumns) throws APPCException {
+        logger.debug("Inside update in TransactionRecorderImpl");
+
+        if (appcInstanceId != null && checkIfNullInstanceEntryExist(key, requestId)) {
+            updateNullInstanceEntry(key, requestId, updateColumns);
+        } else {
+            updateTransactionEntry(key, updateColumns);
+        }
+        logger.trace("End of Update Transaction table.");
+    }
+
+    private void updateTransactionEntry(String key, Map<TRANSACTION_ATTRIBUTES, String> updateColumns)
+        throws APPCException {
         ArrayList<String> values = new ArrayList<>();
+        logger.debug("Inside updateTransactionEntry");
 
         StringBuilder queryBuilder = new StringBuilder("UPDATE TRANSACTIONS SET ");
         for (Map.Entry<TransactionConstants.TRANSACTION_ATTRIBUTES, String> entry : updateColumns.entrySet()) {
             queryBuilder.append(entry.getKey().getColumnName() + " = ? ,");
             values.add(entry.getValue());
+            logger.debug("Value for " + entry.getKey().getColumnName() + " in Transaction table: " + entry.getValue());
         }
         queryBuilder.deleteCharAt(queryBuilder.lastIndexOf(","));
         queryBuilder.append(WHERE + TRANSACTION_ID.getColumnName() + " = ?");
@@ -124,9 +139,16 @@ public class TransactionRecorderImpl implements TransactionRecorder {
 
         String query = queryBuilder.toString();
         try {
-            dbLibService.writeData(query, values, SCHEMA);
+            if (logger.isDebugEnabled()) {
+                logger.debug("Before updating Transaction table the Query is: " + query);
+                for (String value : values) {
+                    logger.debug("Value for Transaction table: " + value);
+                }
+            }
+            Boolean result = dbLibService.writeData(query, values, SCHEMA);
+            logger.debug("Transactions table data update, writeData() result: " + result);
         } catch (SQLException e) {
-            logger.error("Error in updating records " + e);
+            logger.error("Error in updating records in updateTransactionEntry " + e);
             throw new APPCException(ERROR_ACCESSING_DATABASE, e);
         }
         if (logger.isTraceEnabled()) {
@@ -135,6 +157,70 @@ public class TransactionRecorderImpl implements TransactionRecorder {
 
     }
 
+    private void updateNullInstanceEntry(String key,
+                                         String requestId,
+                                         Map<TRANSACTION_ATTRIBUTES, String> updateColumns) throws APPCException {
+        logger.debug("Inside updateNullInstanceEntry");
+
+        ArrayList<String> values = new ArrayList<>();
+        StringBuilder queryBuilder = new StringBuilder("UPDATE TRANSACTIONS SET ");
+        for (Map.Entry<TransactionConstants.TRANSACTION_ATTRIBUTES, String> entry : updateColumns.entrySet()) {
+            queryBuilder.append(entry.getKey().getColumnName() + " = ? ,");
+            values.add(entry.getValue());
+        }
+        // queryBuilder.deleteCharAt(queryBuilder.lastIndexOf(","));
+        queryBuilder.append(TRANSACTION_ID.getColumnName() + " = ?");
+        queryBuilder.append(WHERE + TRANSACTION_ID.getColumnName() + " = ? AND "
+                            + REQUEST_ID.getColumnName() + " = ? ");
+        values.add(appcInstanceId + "~" + key);
+        values.add(null + "~" + key);
+        values.add(requestId);
+        String query = queryBuilder.toString();
+        try {
+            if (logger.isDebugEnabled()) {
+                logger.debug("Before updating Transaction table the Query is: " + query);
+                for (String value : values) {
+                        logger.debug("Value for Transaction table: " + value);
+                }
+            }
+            Boolean result = dbLibService.writeData(query, values, SCHEMA);
+            logger.debug("Transactions table data update, writeData() result: " + result);
+
+        } catch (SQLException e) {
+            logger.error("Error in updating records in updateNullInstanceEntry " + e);
+            throw new APPCException(ERROR_ACCESSING_DATABASE, e);
+        }
+
+    }
+
+    private boolean checkIfNullInstanceEntryExist(String key, String requestId) throws APPCException {
+        logger.debug("Entered checkIfNullInstanceEntryExist");
+        String nullInstanceCheckQuery = new String("SELECT COUNT(*) as ROWS  FROM " +
+            TransactionConstants.TRANSACTIONS + WHERE +
+            TRANSACTION_ID.getColumnName() + " = ? AND " +
+            REQUEST_ID.getColumnName() + " = ? ");
+
+        ArrayList<String> nullInstanceCheckParams = new ArrayList<>();
+        nullInstanceCheckParams.add(null + "~" + key);
+        nullInstanceCheckParams.add(requestId);
+
+        try{
+            CachedRowSet rowSet = dbLibService.getData(nullInstanceCheckQuery, nullInstanceCheckParams, SCHEMA);
+            int noRows = 0;
+            if (rowSet != null && rowSet.first()) {
+                noRows = rowSet.getInt("ROWS");
+                logger.info("No of Rows in Transactions Table with TRANSACTION_ID: " +
+                            null + "~" + key + " and REQUEST_ID " + requestId + " is: " + noRows);
+            }
+            if(noRows > 0)
+                return true;
+        } catch (SQLException e) {
+            logger.error("Error in checkIfNullInstanceEntryExist in the transaction table", e);
+            throw new APPCException(ERROR_ACCESSING_DATABASE, e);
+        }
+        return false;
+    }
+
     @Override
     public void markTransactionsAborted(String appcInstanceId) {
         if (logger.isTraceEnabled()) {
diff --git a/appc-dispatcher/appc-dispatcher-common/transaction-recorder/src/test/java/org/onap/appc/transactionrecorder/impl/TransactionRecorderImplTest.java b/appc-dispatcher/appc-dispatcher-common/transaction-recorder/src/test/java/org/onap/appc/transactionrecorder/impl/TransactionRecorderImplTest.java
index 8d30ef302..36cf26bb7 100644
--- a/appc-dispatcher/appc-dispatcher-common/transaction-recorder/src/test/java/org/onap/appc/transactionrecorder/impl/TransactionRecorderImplTest.java
+++ b/appc-dispatcher/appc-dispatcher-common/transaction-recorder/src/test/java/org/onap/appc/transactionrecorder/impl/TransactionRecorderImplTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP : APPC
  * ================================================================================
- * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Copyright (C) 2017 Amdocs
  * ================================================================================
@@ -145,7 +145,7 @@ public class TransactionRecorderImplTest {
     }
 
     /**
-     * Verify the transactionRecorderImpl.sore() store the TransactionRecord correctly in the database.
+     * Verify the transactionRecorderImpl.store() store the TransactionRecord correctly in the database.
      */
     @Test
     public void testStore() throws Exception {
@@ -274,9 +274,13 @@ public class TransactionRecorderImplTest {
         insertRecord(input);
         Map<TransactionConstants.TRANSACTION_ATTRIBUTES, String> updateColumns = new HashMap<>();
         updateColumns.put(TransactionConstants.TRANSACTION_ATTRIBUTES.TARGET_TYPE, "Firewall");
+        Mockito.when(dbLibService.getData(anyString(), anyObject(), anyString())).thenAnswer(invocation ->
+                returnResult(invocation.getArguments()));
         Mockito.when(dbLibService.writeData(anyString(), anyObject(), anyString())).thenAnswer(invocation ->
                 testUpdateInMemory(invocation.getArguments()));
-        transactionRecorderImpl.update(input.getTransactionId(), updateColumns);
+        transactionRecorderImpl.update(input.getTransactionId(), input.getRequestId(), updateColumns);
+        Mockito.verify(dbLibService).getData(anyString(), anyObject(), anyString());
+        Mockito.verify(dbLibService).writeData(anyString(), anyObject(), anyString());
     }
 
     @Test
@@ -289,7 +293,97 @@ public class TransactionRecorderImplTest {
         expectedEx.expect(APPCException.class);
         expectedEx.expectMessage(TransactionConstants.ERROR_ACCESSING_DATABASE);
         expectedEx.expectCause(isA(SQLException.class));
-        transactionRecorderImpl.update(input.getTransactionId(), updateColumns);
+        transactionRecorderImpl.update(input.getTransactionId(), input.getRequestId(), updateColumns);
+    }
+
+    @Test
+    public void testUpdatewithNullInstance() throws APPCException, SQLException {
+        TransactionRecord input = prepareTransactionsInput();
+        Map<TransactionConstants.TRANSACTION_ATTRIBUTES, String> updateColumns = new HashMap<>();
+        updateColumns.put(TransactionConstants.TRANSACTION_ATTRIBUTES.TARGET_TYPE, "Firewall");
+        Mockito.when(dbLibService.getData(anyString(), anyObject(), anyString())).thenAnswer(invocation ->
+                returnPositiveResult(invocation.getArguments()));
+        Mockito.when(dbLibService.writeData(anyString(), anyObject(), anyString())).thenAnswer(invocation ->
+                testUpdateInMemory(invocation.getArguments()));
+
+        transactionRecorderImpl.update(input.getTransactionId(), input.getRequestId(), updateColumns);
+        Mockito.verify(dbLibService).getData(anyString(), anyObject(), anyString());
+        Mockito.verify(dbLibService).writeData(anyString(), anyObject(), anyString());
+    }
+
+    private Object returnPositiveResult(Object[] obj) throws Exception {
+        String query = (String) obj[0];
+        ArrayList<String> args = (ArrayList<String>) obj[1];
+        System.out.println("returnPositiveResult: Query: " + query + "\nArgs: " + args);
+
+        insertNullInstanceData(args.get(0));
+
+        try (
+             Connection con = dbConnectionPool.getConnection();
+             PreparedStatement ps_second = con.prepareStatement(query)
+             ) {
+            for (int i = 1; i <= args.size(); i++) {
+                ps_second.setString(i, args.get(i - 1));
+            }
+            CachedRowSet rowSet = new CachedRowSetImpl();
+            rowSet.populate(ps_second.executeQuery());
+            return rowSet;
+        }
+    }
+
+    private void insertNullInstanceData(String transactionId) throws Exception {
+        final String nullInstanceQuery = (TransactionConstants.INSERT_INTO + TransactionConstants.TRANSACTIONS +
+                                          " values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)");
+        try (
+             Connection con = dbConnectionPool.getConnection();
+             PreparedStatement ps = con.prepareStatement(nullInstanceQuery)
+             ) {
+            ArrayList<String> input = new ArrayList<String>();
+            input.add(transactionId);
+            input.add(dateToStringConverterMillis(Instant.parse("2017-09-12T00:00:01.00Z")));
+            input.add("REQUEST_ID");
+            input.add("SUB_REQUEST_ID");
+            input.add("ORIGINATOR_ID");
+            input.add(dateToStringConverterMillis(Instant.parse("2018-09-12T00:00:02.00Z")));
+            input.add(dateToStringConverterMillis(Instant.parse("2018-09-12T20:00:02.00Z")));
+            input.add("TARGET_ID");
+            input.add("TARGET_TYPE");
+            input.add("Audit");
+            input.add(String.valueOf(200));
+            input.add("SERVICE_INSTANCE_ID");
+            input.add("ACCEPTED");
+            input.add("DESCRIPTION");
+            input.add("test");
+            input.add("test");
+            input.add("test");
+            input.add("EXCLUSIVE");
+
+            for (int i = 1; i <= input.size(); i++) {
+                ps.setString(i, input.get(i-1));
+            }
+            ps.execute();
+
+            if (checkIfRowIsPresent(input.get(0))) {
+                System.out.println("RECORD INSERTED " + input.get(0));
+            }
+        }
+    }
+
+    private ResultSet returnResult(Object[] obj) throws Exception {
+        String query = (String) obj[0];
+        ArrayList<String> args = (ArrayList<String>) obj[1];
+        System.out.println("Query: " + query + "\nArgs: " + args);
+        try (
+             Connection con = dbConnectionPool.getConnection();
+             PreparedStatement ps = con.prepareStatement(query)
+             ) {
+            for (int i = 1; i <= args.size(); i++) {
+                ps.setString(i, args.get(i - 1));
+            }
+            CachedRowSet rowSet = new CachedRowSetImpl();
+            rowSet.populate(ps.executeQuery());
+            return rowSet;
+        }
     }
 
     @Test
@@ -334,74 +428,94 @@ public class TransactionRecorderImplTest {
     private ResultSet inMemoryExecutionWithResultSet(Object[] obj) throws Exception {
         String query = (String) obj[0];
         ArrayList<String> args = (ArrayList<String>) obj[1];
-        Connection con = dbConnectionPool.getConnection();
-        PreparedStatement ps = con.prepareStatement(query);
-        for (int i = 1; i <= args.size(); i++) {
-            ps.setString(i, args.get(i - 1));
+        // System.out.println("Query: " + query + "\nArgs: " + args);
+        try (
+             Connection con = dbConnectionPool.getConnection();
+             PreparedStatement ps = con.prepareStatement(query)
+             ) {
+            for (int i = 1; i <= args.size(); i++) {
+                ps.setString(i, args.get(i - 1));
+            }
+            CachedRowSet rowSet = new CachedRowSetImpl();
+            rowSet.populate(ps.executeQuery());
+            return rowSet;
         }
-        CachedRowSet rowSet = new CachedRowSetImpl();
-        rowSet.populate(ps.executeQuery());
-        return rowSet;
     }
 
     private boolean testMarkAbortedInMemory(Object[] obj) throws Exception {
         String query = (String) obj[0];
         ArrayList<String> args = (ArrayList<String>) obj[1];
-        Connection con = dbConnectionPool.getConnection();
-        PreparedStatement ps = con.prepareStatement(query);
-        for (int i = 1; i <= args.size(); i++) {
-            ps.setString(i, args.get(i - 1));
+        try (
+             Connection con = dbConnectionPool.getConnection();
+             PreparedStatement ps = con.prepareStatement(query)
+             ) {
+            for (int i = 1; i <= args.size(); i++) {
+                ps.setString(i, args.get(i - 1));
+            }
+            ps.execute();
+            return isTransactionAborted();
         }
-        ps.execute();
-        return isTransactionAborted();
     }
 
     private boolean isTransactionAborted() throws Exception {
         String query = "SELECT COUNT(*) FROM  TRANSACTIONS WHERE STATE = ?";
-        Connection con = dbConnectionPool.getConnection();
-        PreparedStatement ps = con.prepareStatement(query);
-        ps.setString(1, RequestStatus.ABORTED.toString());
-        ResultSet rs = ps.executeQuery();
-        while (rs.next()) {
-            int value = rs.getInt(1);
-            if (value == 1) {
-                System.out.println("Non terminal Transactions are aborted");
-                return true;
+        try (
+             Connection con = dbConnectionPool.getConnection();
+             PreparedStatement ps = con.prepareStatement(query)
+             ) {
+            ps.setString(1, RequestStatus.ABORTED.toString());
+            try (
+                 ResultSet rs = ps.executeQuery()
+                 ) {
+                while (rs.next()) {
+                    int value = rs.getInt(1);
+                    if (value == 1) {
+                        System.out.println("Non terminal Transactions are aborted");
+                        return true;
+                    }
+                }
+                throw new Exception("Transactions are not aborted");
             }
         }
-        throw new Exception("Transactions are not aborted");
     }
 
     private boolean testUpdateInMemory(Object[] obj) throws Exception {
         String query = (String) obj[0];
         ArrayList<String> args = (ArrayList<String>) obj[1];
-        Connection con = dbConnectionPool.getConnection();
-        PreparedStatement ps = con.prepareStatement(query);
-        for (int i = 1; i <= args.size(); i++) {
-            ps.setString(i, args.get(i - 1));
-        }
-        ps.execute();
-        String updatedValue = checkIfValueIsUpdated(args.get(1));
-        System.out.println("updated Value is " + updatedValue);
-        if (updatedValue.equals("Firewall")) {
-            return true;
+        try (
+             Connection con = dbConnectionPool.getConnection();
+             PreparedStatement ps = con.prepareStatement(query)
+             ) {
+            for (int i = 1; i <= args.size(); i++) {
+                System.out.println("Value at " + i + ": " + args.get(i - 1));
+                ps.setString(i, args.get(i - 1));
+            }
+            ps.execute();
+            String updatedValue = checkIfValueIsUpdated(args.get(1));
+            System.out.println("updated Value is " + updatedValue);
+            if (updatedValue.equals("Firewall")) {
+                return true;
+            }
+            throw new Exception("Not Updated");
         }
-        throw new Exception("Not Updated");
     }
 
     private boolean testStoreInMemory(Object[] obj) throws Exception {
         String query = (String) obj[0];
         ArrayList<String> args = (ArrayList<String>) obj[1];
-        Connection con = dbConnectionPool.getConnection();
-        PreparedStatement ps = con.prepareStatement(query);
-        for (int i = 1; i <= args.size(); i++) {
-            ps.setString(i, args.get(i - 1));
-        }
-        ps.execute();
-        if (checkIfRowIsPresent(args.get(0))) {
-            return true;
+        try (
+             Connection con = dbConnectionPool.getConnection();
+             PreparedStatement ps = con.prepareStatement(query)
+             ) {
+            for (int i = 1; i <= args.size(); i++) {
+                ps.setString(i, args.get(i - 1));
+            }
+            ps.execute();
+            if (checkIfRowIsPresent(args.get(0))) {
+                return true;
+            }
+            throw new Exception("Failed to update");
         }
-        throw new Exception("Failed to update");
     }
 
     private TransactionRecord prepareTransactionsInput() {
@@ -426,19 +540,21 @@ public class TransactionRecorderImplTest {
     private void insertRecord(TransactionRecord input) throws SQLException {
         final String STORE_DATE_QUERY = TransactionConstants.INSERT_INTO + TransactionConstants.TRANSACTIONS +
                 " values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
-        Connection con = dbConnectionPool.getConnection();
-        PreparedStatement ps = con.prepareStatement(STORE_DATE_QUERY);
-        ArrayList<String> args = prepareArguments(input);
-        args.remove(0);
-        args.add(0, "123~" + input.getTransactionId());
-        for (int i = 1; i <= 18; i++) {
-            ps.setString(i, args.get(i - 1));
-        }
-        ps.execute();
-        if (checkIfRowIsPresent(args.get(0))) {
-            System.out.println("RECORD INSERTED " + args.get(0));
+        try (
+             Connection con = dbConnectionPool.getConnection();
+             PreparedStatement ps = con.prepareStatement(STORE_DATE_QUERY)
+             ) {
+            ArrayList<String> args = prepareArguments(input);
+            args.remove(0);
+            args.add(0, "123~" + input.getTransactionId());
+            for (int i = 1; i <= 18; i++) {
+                ps.setString(i, args.get(i - 1));
+            }
+            ps.execute();
+            if (checkIfRowIsPresent(args.get(0))) {
+                System.out.println("RECORD INSERTED " + args.get(0));
+            }
         }
-
     }
 
     private ArrayList<String> prepareArguments(TransactionRecord input) {
@@ -498,15 +614,24 @@ public class TransactionRecorderImplTest {
     }
 
     private String checkIfValueIsUpdated(String key) throws Exception {
-        Connection con = dbConnectionPool.getConnection();
-        PreparedStatement ps = con.prepareStatement("SELECT TARGET_TYPE FROM  TRANSACTIONS WHERE TRANSACTION_ID = ?");
-        ps.setString(1, key);
-        ResultSet rs = ps.executeQuery();
-        while (rs.next()) {
-            String value = rs.getString("TARGET_TYPE");
-            return value;
+        try (
+             Connection con = dbConnectionPool.getConnection();
+             PreparedStatement ps = con.prepareStatement("SELECT TARGET_TYPE,TRANSACTION_ID FROM TRANSACTIONS" +
+                                                         " WHERE TRANSACTION_ID = ?")
+             ) {
+            ps.setString(1, key);
+            try (
+                 ResultSet rs = ps.executeQuery()
+                 ) {
+               while (rs.next()) {
+                   String value = rs.getString("TARGET_TYPE");
+                   String transactionId = rs.getString("TRANSACTION_ID");
+                   System.out.println("Updated data: TRANSACTION_ID: " + transactionId + " TARGET_TYPE: " + value);
+                   return value;
+               }
+               throw new Exception("Value not found");
+            }
         }
-        throw new Exception("Value not found");
     }