AT&T 2.0.19 Code drop, stage 3

[aaf/authz.git] / auth / auth-cass / src / main / java / org / onap / aaf / auth / dao / DAO_RO.java

diff --git a/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/DAO_RO.java b/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/DAO_RO.java
new file mode 100644 (file)
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--- /dev/null
+++ b/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/DAO_RO.java
@@ -0,0 +1,70 @@
+/**
+ * ============LICENSE_START====================================================
+ * org.onap.aaf
+ * ===========================================================================
+ * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * ===========================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END====================================================
+ *
+ */
+
+package org.onap.aaf.auth.dao;
+
+import java.util.List;
+
+import org.onap.aaf.auth.layer.Result;
+import org.onap.aaf.misc.env.Trans;
+
+/**
+ * DataAccessObject - ReadOnly
+ * 
+ * It is useful to have a ReadOnly part of the interface for CachedDAO
+ * 
+ * Normal DAOs will implement full DAO
+ * 
+ * @author Jonathan
+ *
+ * @param <DATA>
+ */
+public interface DAO_RO<TRANS extends Trans,DATA> {
+       /**
+        * Get a List of Data given Key of Object Array
+        * @param objs
+        * @return
+        * @throws DAOException
+        */
+       public Result<List<DATA>> read(TRANS trans, Object ... key);
+
+       /**
+        * Get a List of Data given Key of DATA Object
+        * @param trans
+        * @param key
+        * @return
+        * @throws DAOException
+        */
+       public Result<List<DATA>> read(TRANS trans, DATA key);
+
+       /**
+        * close DAO
+        */
+       public void close(TRANS trans);
+
+       /**
+        * Return name of referenced Data
+        * @return
+        */
+       public String table();
+
+
+}