netty5/common/src/main/java/io/netty/util/UncheckedBooleanSupplier.java
田欧 6222101924 migrate java8: use lambda and method reference (#8781)
Motivation:

We can use lambdas now as we use Java8.

Modification:

use lambda function for all package, #8751 only migrate transport package.

Result:

Code cleanup.
2019-01-29 14:06:05 +01:00

39 lines
1.2 KiB
Java

/*
* Copyright 2017 The Netty Project
*
* The Netty Project 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 io.netty.util;
/**
* Represents a supplier of {@code boolean}-valued results which doesn't throw any checked exceptions.
*/
public interface UncheckedBooleanSupplier extends BooleanSupplier {
/**
* Gets a boolean value.
* @return a boolean value.
*/
@Override
boolean get();
/**
* A supplier which always returns {@code false} and never throws.
*/
UncheckedBooleanSupplier FALSE_SUPPLIER = () -> false;
/**
* A supplier which always returns {@code true} and never throws.
*/
UncheckedBooleanSupplier TRUE_SUPPLIER = () -> true;
}