spring FileSnapshot 源码
springboot FileSnapshot 代码
文件路径：/spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/filewatch/FileSnapshot.java
/*
* Copyright 2012-2022 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;
import java.io.File;
import org.springframework.util.Assert;
/**
* A snapshot of a File at a given point in time.
*
* @author Phillip Webb
*/
class FileSnapshot {
private final File file;
private final boolean exists;
private final long length;
private final long lastModified;
FileSnapshot(File file) {
Assert.notNull(file, "File must not be null");
Assert.isTrue(file.isFile() || !file.exists(), "File must not be a directory");
this.file = file;
this.exists = file.exists();
this.length = file.length();
this.lastModified = file.lastModified();
}
File getFile() {
return this.file;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (obj instanceof FileSnapshot other) {
boolean equals = this.file.equals(other.file);
equals = equals && this.exists == other.exists;
equals = equals && this.length == other.length;
equals = equals && this.lastModified == other.lastModified;
return equals;
}
return super.equals(obj);
}
@Override
public int hashCode() {
int hashCode = this.file.hashCode();
hashCode = 31 * hashCode + Boolean.hashCode(this.exists);
hashCode = 31 * hashCode + Long.hashCode(this.length);
hashCode = 31 * hashCode + Long.hashCode(this.lastModified);
return hashCode;
}
@Override
public String toString() {
return this.file.toString();
}
}
相关信息
相关文章
spring FileSystemWatcherFactory 源码
spring SnapshotStateRepository 源码
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- 所属分类： 后端技术
- 本文标签： Java Spring Spring Boot
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