org.springframework.boot.devtools.filewatch.StaticSnapshotStateRepository Maven / Gradle / Ivy
The newest version!
/*
* Copyright 2012-2020 the original author or authors.
*
* 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
*
* https://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.springframework.boot.devtools.filewatch;
/**
* {@link SnapshotStateRepository} that uses a single static instance.
*
* @author Phillip Webb
*/
class StaticSnapshotStateRepository implements SnapshotStateRepository {
static final StaticSnapshotStateRepository INSTANCE = new StaticSnapshotStateRepository();
private volatile Object state;
@Override
public void save(Object state) {
this.state = state;
}
@Override
public Object restore() {
return this.state;
}
}