1 files changed, 69 insertions, 0 deletions
diff --git a/mso-api-handlers/mso-requests-db/src/main/java/org/onap/so/db/request/data/repository/QueryOperationType.java b/mso-api-handlers/mso-requests-db/src/main/java/org/onap/so/db/request/data/repository/QueryOperationType.java
new file mode 100644
index 0000000000..4aaa8d2cbe
--- /dev/null
+++ b/mso-api-handlers/mso-requests-db/src/main/java/org/onap/so/db/request/data/repository/QueryOperationType.java
@@ -0,0 +1,69 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.db.request.data.repository;
+
+import javax.persistence.criteria.CriteriaBuilder;
+import javax.persistence.criteria.Predicate;
+import javax.persistence.criteria.Root;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+public enum QueryOperationType {
+
+    EQ {
+        @Override
+        public <T> Predicate getPredicate(final CriteriaBuilder criteriaBuilder, final Root<T> tableRoot,
+                final String key, final String value) {
+            return criteriaBuilder.equal(tableRoot.get(key), value);
+        }
+
+    },
+    NEQ {
+
+        @Override
+        public <T> Predicate getPredicate(final CriteriaBuilder criteriaBuilder, final Root<T> tableRoot,
+                final String key, final String value) {
+            return criteriaBuilder.notEqual(tableRoot.get(key), value);
+        }
+
+    },
+    LIKE {
+
+        @Override
+        public <T> Predicate getPredicate(final CriteriaBuilder criteriaBuilder, final Root<T> tableRoot,
+                final String key, final String value) {
+            return criteriaBuilder.like(tableRoot.get(key), "%" + value + "%");
+        }
+    };
+
+    public static QueryOperationType getQueryOperationType(final String type) {
+        for (final QueryOperationType queryOperationType : QueryOperationType.values()) {
+            if (queryOperationType.name().equalsIgnoreCase(type)) {
+                return queryOperationType;
+            }
+        }
+        return QueryOperationType.EQ;
+    }
+
+    public abstract <T> Predicate getPredicate(final CriteriaBuilder criteriaBuilder, final Root<T> tableRoot,
+            final String key, final String value);
+
+}