sandygao 2003/01/20 08:32:59
Modified: java/src/org/apache/xerces/impl/xs/traversers
XSDAbstractParticleTraverser.java
Log:
Small performance fix: if the number of particle is 0, we don't need to
always create an array of length 0.
Revision Changes Path
1.12 +9 -6
xml-xerces/java/src/org/apache/xerces/impl/xs/traversers/XSDAbstractParticleTraverser.java
Index: XSDAbstractParticleTraverser.java
===================================================================
RCS file:
/home/cvs/xml-xerces/java/src/org/apache/xerces/impl/xs/traversers/XSDAbstractParticleTraverser.java,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -r1.11 -r1.12
--- XSDAbstractParticleTraverser.java 26 Jul 2002 18:59:18 -0000 1.11
+++ XSDAbstractParticleTraverser.java 20 Jan 2003 16:32:59 -0000 1.12
@@ -381,11 +381,14 @@
// end the current context, and return an array of particles
XSParticleDecl[] popContext() {
int count = fPos[fContextCount] - fPos[fContextCount-1];
- XSParticleDecl[] array = new XSParticleDecl[count];
- System.arraycopy(fParticles, fPos[fContextCount-1], array, 0, count);
- // clear the particle array, to release memory
- for (int i = fPos[fContextCount-1]; i < fPos[fContextCount]; i++)
- fParticles[i] = null;
+ XSParticleDecl[] array = null;
+ if (count != 0) {
+ array = new XSParticleDecl[count];
+ System.arraycopy(fParticles, fPos[fContextCount-1], array, 0,
count);
+ // clear the particle array, to release memory
+ for (int i = fPos[fContextCount-1]; i < fPos[fContextCount]; i++)
+ fParticles[i] = null;
+ }
fContextCount--;
return array;
}
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