dorkbox/Utilities
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Changed hashcode to be lazy inited

Browse Source
This commit is contained in:
nathan 2014-09-30 01:41:12 +02:00
parent 5ae80d45bc
commit 6bc474615f
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
Dorkbox-Util/src/dorkbox/util/bytes/ByteArrayWrapper.java
View File

@ -7,7 +7,7 @@ import java.util.Arrays;
*/
public final class ByteArrayWrapper {
private final byte[] data;
private final int hashCode;
private Integer hashCode;
/**
* Makes a safe copy of the byte array, so that changes to the original do not affect the wrapper.
@ -44,7 +44,6 @@ public final class ByteArrayWrapper {
} else {
this.data = data;
}
this.hashCode = Arrays.hashCode(this.data);
}
public byte[] getBytes() {
@ -63,12 +62,17 @@ public final class ByteArrayWrapper {
@Override
public int hashCode() {
// CANNOT be null, so we don't have to null check!
return this.hashCode;
// might be null for a thread because it's stale. who cares, get the value again
Integer hashCode = this.hashCode;
if (hashCode == null) {
hashCode = Arrays.hashCode(this.data);
this.hashCode = hashCode;
}
return hashCode;
}
@Override
public String toString() {
return "ByteArrayWrapper [" + java.util.Arrays.toString(this.data) + "]";
return "ByteArrayWrapper " + java.util.Arrays.toString(this.data);
}
}