xUtils源码阅读（4）-MemCacheKey

该类通过图片的url和显示参数，生成hashcode以供使用。

功能简单，单一。

源码：

/**
* Created by wyouflf on 15/10/20.
*/
/*package*/ final class MemCacheKey {
public final String url;
public final ImageOptions options;

public MemCacheKey(String url, ImageOptions options) {
this.url = url;
this.options = options;
}

@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;

MemCacheKey that = (MemCacheKey) o;

if (!url.equals(that.url)) return false;
return options.equals(that.options);

}

@Override
public int hashCode() {
int result = url.hashCode();
result = 31 * result + options.hashCode();
return result;
}

@Override
public String toString() {
return url + options.toString();
}
}