1 files changed, 107 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/MutationUtil.java b/framework/src/onos/protocols/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/MutationUtil.java
new file mode 100644
index 00000000..9ec62d31
--- /dev/null
+++ b/framework/src/onos/protocols/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/MutationUtil.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.ovsdb.rfc.utils;
+
+import org.onosproject.ovsdb.rfc.notation.Mutation;
+import org.onosproject.ovsdb.rfc.notation.Mutation.Mutator;
+
+public final class MutationUtil {
+
+    /**
+     * Constructs a MutationUtil object. Utility classes should not have a
+     * public or default constructor, otherwise IDE will compile unsuccessfully. This
+     * class should not be instantiated.
+     */
+    private MutationUtil() {
+    }
+
+    /**
+     * Returns a Mutation that means += .
+     * @param columnName column name
+     * @param data column value
+     * @return Mutation
+     */
+    public static Mutation sum(String columnName, Object data) {
+        Object value = TransValueUtil.getFormatData(data);
+        return new Mutation(columnName, Mutator.SUM, value);
+    }
+
+    /**
+     * Returns a Mutation that means -= .
+     * @param columnName column name
+     * @param data column value
+     * @return Mutation
+     */
+    public static Mutation difference(String columnName, Object data) {
+        Object value = TransValueUtil.getFormatData(data);
+        return new Mutation(columnName, Mutator.DIFFERENCE, value);
+    }
+
+    /**
+     * Returns a Mutation that means *= .
+     * @param columnName column name
+     * @param data column value
+     * @return Mutation
+     */
+    public static Mutation product(String columnName, Object data) {
+        Object value = TransValueUtil.getFormatData(data);
+        return new Mutation(columnName, Mutator.PRODUCT, value);
+    }
+
+    /**
+     * Returns a Mutation that means /= .
+     * @param columnName column name
+     * @param data column value
+     * @return Mutation
+     */
+    public static Mutation quotient(String columnName, Object data) {
+        Object value = TransValueUtil.getFormatData(data);
+        return new Mutation(columnName, Mutator.QUOTIENT, value);
+    }
+
+    /**
+     * Returns a Mutation that means %= .
+     * @param columnName column name
+     * @param data column value
+     * @return Mutation
+     */
+    public static Mutation remainder(String columnName, Object data) {
+        Object value = TransValueUtil.getFormatData(data);
+        return new Mutation(columnName, Mutator.REMAINDER, value);
+    }
+
+    /**
+     * Returns a Mutation that means insert .
+     * @param columnName column name
+     * @param data column value
+     * @return Mutation
+     */
+    public static Mutation insert(String columnName, Object data) {
+        Object value = TransValueUtil.getFormatData(data);
+        return new Mutation(columnName, Mutator.INSERT, value);
+    }
+
+    /**
+     * Returns a Mutation that means delete .
+     * @param columnName column name
+     * @param data column value
+     * @return Mutation
+     */
+    public static Mutation delete(String columnName, Object data) {
+        Object value = TransValueUtil.getFormatData(data);
+        return new Mutation(columnName, Mutator.DELETE, value);
+    }
+}