1 /*
2 * Copyright 2016 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. You may obtain a copy of the License at:
7 *
8 * https://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package io.netty.channel;
17
18 import io.netty.util.IntSupplier;
19
20 /**
21 * Default select strategy.
22 */
23 final class DefaultSelectStrategy implements SelectStrategy {
24 static final SelectStrategy INSTANCE = new DefaultSelectStrategy();
25
26 private DefaultSelectStrategy() { }
27
28 @Override
29 public int calculateStrategy(IntSupplier selectSupplier, boolean hasTasks) throws Exception {
30 return hasTasks ? selectSupplier.get() : SelectStrategy.SELECT;
31 }
32 }