antville/helma
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* Implement negative result caching in getPrototypeName(Object).

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hns 2007-03-15 16:21:00 +00:00
parent 2b7e92d9f6
commit 4494d0bff5
1 changed files with 34 additions and 33 deletions
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67
src/helma/framework/core/Application.java
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@ -168,9 +168,11 @@ public final class Application implements Runnable {
Hashtable customCronJobs = null; Hashtable customCronJobs = null;
private ResourceComparator resourceComparator; private ResourceComparator resourceComparator;
private Resource currentCodeResource; private Resource currentCodeResource;
// Field to cache unmapped java classes
private final static String CLASS_NOT_MAPPED = "(unmapped)";
/** /**
* Simple constructor for dead application instances. * Simple constructor for dead application instances.
*/ */
@ -1315,41 +1317,40 @@ public final class Application implements Runnable {
public String getPrototypeName(Object obj) { public String getPrototypeName(Object obj) {
if (obj == null) { if (obj == null) {
return "global"; return "global";
} else if (obj instanceof IPathElement) {
// check if e implements the IPathElement interface
return ((IPathElement) obj).getPrototype();
} }
// check if e implements the IPathElement interface Class clazz = obj.getClass();
if (obj instanceof IPathElement) { String className = clazz.getName();
// e implements the getPrototype() method String protoName = classMapping.getProperty(className);
return ((IPathElement) obj).getPrototype(); if (protoName != null) {
} else { return protoName == CLASS_NOT_MAPPED ? null : protoName;
// look up prototype name by java class name
Class clazz = obj.getClass();
String protoname = classMapping.getProperty(clazz.getName());
if (protoname != null) {
return protoname;
}
// walk down superclass path
while ((clazz = clazz.getSuperclass()) != null) {
protoname = classMapping.getProperty(clazz.getName());
if (protoname != null) {
// cache the class name for the object so we run faster next time
classMapping.setProperty(obj.getClass().getName(), protoname);
return protoname;
}
}
// check interfaces, too
Class[] classes = obj.getClass().getInterfaces();
for (int i = 0; i < classes.length; i++) {
protoname = classMapping.getProperty(classes[i].getName());
if (protoname != null) {
// cache the class name for the object so we run faster next time
classMapping.setProperty(obj.getClass().getName(), protoname);
return protoname;
}
}
// nada
return null;
} }
// walk down superclass path
while ((clazz = clazz.getSuperclass()) != null) {
protoName = classMapping.getProperty(clazz.getName());
if (protoName != null) {
// cache the class name for the object so we run faster next time
classMapping.setProperty(className, protoName);
return protoName;
}
}
// check interfaces, too
Class[] classes = obj.getClass().getInterfaces();
for (int i = 0; i < classes.length; i++) {
protoName = classMapping.getProperty(classes[i].getName());
if (protoName != null) {
// cache the class name for the object so we run faster next time
classMapping.setProperty(className, protoName);
return protoName;
}
}
// not mapped - cache negative result
classMapping.setProperty(className, CLASS_NOT_MAPPED);
return null;
} }
public DocApplication getDoc() { public DocApplication getDoc() {