org.tinylog.Supplier Maven / Gradle / Ivy
/*
* Copyright 2017 Martin Winandy
*
* 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.tinylog;
/**
* This lazy value supplier is identical to {@link java.util.function.Supplier}. It is used in {@link Logger} and
* {@link TaggedLogger} for lazy generation of messages and arguments. A message or argument can be provided as lambda
* expression and will be only generated, if the log entry is really output.
*
*
* tinylog provides its own supplier to ensure compatibility with Java prior to version 8.
* {@link java.util.function.Supplier} was introduced with Java 8.
*
*
* @param
* Type of generated value
*/
public interface Supplier {
/**
* Generates the value.
*
* @return Generated value
*/
T get();
}
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