ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60

Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd

1 files changed, 92 insertions, 0 deletions

diff --git a/framework/src/onos/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/MutationUtil.java b/framework/src/onos/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/MutationUtil.java
new file mode 100644
index 00000000..00e7dbe8
--- /dev/null
+++ b/framework/src/onos/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/MutationUtil.java
@@ -0,0 +1,92 @@
+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);
+    }
+}