| /* |
| * 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); |
| } |
| } |