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* replaced helma.util.CacheMap with java.util.WeakHashMap for wrapper caching

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* do wrapper caching for IPathElement (java object) wrappers
* only wrap instances of helma.util.SystemMap with MapWrappers
* do not wrap Strings.
This commit is contained in:
hns 2003-06-16 18:56:53 +00:00
parent 3691b6d977
commit 5f46bdf3a2
1 changed files with 30 additions and 19 deletions
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49
src/helma/scripting/rhino/RhinoCore.java
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@ -24,6 +24,8 @@ import helma.objectmodel.db.DbMapping;
import helma.objectmodel.db.Relation;
import helma.scripting.*;
import helma.util.CacheMap;
import helma.util.SystemMap;
import helma.util.SystemProperties;
import helma.util.Updatable;
import org.mozilla.javascript.*;
import java.io.*;
@ -40,7 +42,7 @@ public final class RhinoCore {
Scriptable global;
// caching table for JavaScript object wrappers
CacheMap wrappercache;
WeakHashMap wrappercache;
// table containing JavaScript prototypes
Hashtable prototypes;
@ -54,7 +56,8 @@ public final class RhinoCore {
*/
public RhinoCore(Application app) {
this.app = app;
wrappercache = new CacheMap(500, .75f);
// wrappercache = new CacheMap(500, .75f);
wrappercache = new WeakHashMap();
prototypes = new Hashtable();
Context context = Context.enter();
@ -510,24 +513,33 @@ public final class RhinoCore {
* interface, the getPrototype method will be used to retrieve the name of the prototype
* to use. Otherwise, a Java-Class-to-Script-Prototype mapping is consulted.
*/
public Scriptable getElementWrapper(Object e) {
// Gotta find out the prototype name to use for this object...
String prototypeName = app.getPrototypeName(e);
protected Scriptable getElementWrapper(Object e) {
Scriptable op = getPrototype(prototypeName);
Scriptable w = (Scriptable) wrappercache.get(e);
if (op == null) {
op = getPrototype("hopobject");
if (e == null) {
// Gotta find out the prototype name to use for this object...
String prototypeName = app.getPrototypeName(e);
Scriptable op = getPrototype(prototypeName);
if (op == null) {
op = getPrototype("hopobject");
}
w = new JavaObject(global, e, op, this);
wrappercache.put(e, w);
}
return new JavaObject(global, e, op, this);
return w;
}
/**
* Get a script wrapper for an instance of helma.objectmodel.INode
*/
public Scriptable getNodeWrapper(INode n) {
// FIXME: should this return ESNull.theNull?
protected Scriptable getNodeWrapper(INode n) {
// FIXME: is this needed? should this return ESNull.theNull?
if (n == null) {
return null;
}
@ -577,9 +589,9 @@ public final class RhinoCore {
* Register a new Node wrapper with the wrapper cache. This is used by the
* Node constructor.
*/
public void putNodeWrapper(INode n, Scriptable esn) {
/* public void putNodeWrapper(INode n, Scriptable esn) {
wrappercache.put(n, esn);
}
} */
private synchronized void evaluate(Prototype prototype, Object code) {
if (code instanceof FunctionFile) {
@ -664,10 +676,14 @@ public final class RhinoCore {
return getElementWrapper(obj);
}
if (obj instanceof Map) {
if (obj instanceof SystemMap) {
return new MapWrapper((Map) obj, RhinoCore.this);
}
if (obj instanceof String) {
return obj;
}
return super.wrap(cx, scope, obj, staticType);
}
@ -678,7 +694,6 @@ public final class RhinoCore {
public Scriptable wrapNewObject(Context cx, Scriptable scope, Object obj) {
// System.err.println ("N-Wrapping: "+obj);
if (obj instanceof INode) {
return getNodeWrapper((INode) obj);
}
@ -687,10 +702,6 @@ public final class RhinoCore {
return getElementWrapper(obj);
}
if (obj instanceof Map) {
return new MapWrapper((Map) obj, RhinoCore.this);
}
return super.wrapNewObject(cx, scope, obj);
}
}