| /* |
| * Copyright 2017 HugeGraph Authors |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with this |
| * work for additional information regarding copyright ownership. The ASF |
| * licenses this file to You 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 com.baidu.hugegraph.config; |
| |
| import java.util.function.Function; |
| |
| import com.baidu.hugegraph.util.E; |
| import com.google.common.base.Predicate; |
| |
| public class ConfigConvOption<T, R> extends TypedOption<T, R> { |
| |
| private final Function<T, R> converter; |
| |
| public ConfigConvOption(String name, String desc, Predicate<T> pred, |
| Function<T, R> convert, T value) { |
| this(name, false, desc, pred, convert, value); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public ConfigConvOption(String name, boolean required, String desc, |
| Predicate<T> pred, Function<T, R> convert, |
| T value) { |
| super(name, required, desc, pred, (Class<T>) value.getClass(), value); |
| E.checkNotNull(convert, "convert"); |
| this.converter = convert; |
| } |
| |
| @Override |
| public R convert(T value) { |
| return this.converter.apply(value); |
| } |
| } |