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Altering the if/else logic of HashCodeBuilder.append(Object) as per LANG-345 to get 20->40% speed improvements. This is because the code no longer uses Class.isArray() on every invocation. Many thanks to Venkatesh Prasad Ranganath for offering this improvement.

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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@564070 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Henri Yandell 2007-08-09 01:58:11 +00:00
parent 7fc38e82ec
commit 486740b60a
1 changed files with 3 additions and 7 deletions
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10
src/java/org/apache/commons/lang/builder/HashCodeBuilder.java
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@ -855,11 +855,6 @@ public HashCodeBuilder append(Object object) {
if (object == null) {
iTotal = iTotal * iConstant;
} else {
if (object.getClass().isArray() == false) {
// the simple case, not an array, just the element
iTotal = iTotal * iConstant + object.hashCode();
} else {
// 'Switch' on type of array, to dispatch to the correct handler
// This handles multi dimensional arrays
@ -879,10 +874,11 @@ public HashCodeBuilder append(Object object) {
append((float[]) object);
} else if (object instanceof boolean[]) {
append((boolean[]) object);
} else {
} else if (object instanceof Object[]) {
// Not an array of primitives
append((Object[]) object);
}
} else {
iTotal = iTotal * iConstant + object.hashCode();
}
}
return this;