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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.renderscript;
import android.util.Log;
/**
* @hide
*
* BaseObj is the base class for interfacing with native renderscript objects.
* It primarly contains code for tracking the native object ID and forcably
* disconecting the object from the native allocation for early cleanup.
*
**/
class BaseObj {
BaseObj(int id, RenderScript rs) {
rs.validate();
mRS = rs;
mID = id;
mDestroyed = false;
}
void setID(int id) {
if (mID != 0) {
throw new RSRuntimeException("Internal Error, reset of object ID.");
}
mID = id;
}
public int getID() {
if (mDestroyed) {
throw new RSInvalidStateException("using a destroyed object.");
}
return mID;
}
private int mID;
private boolean mDestroyed;
private String mName;
RenderScript mRS;
public void setName(String s) {
if(s.length() < 1) {
throw new RSIllegalArgumentException("setName does not accept a zero length string.");
}
if(mName != null) {
throw new RSIllegalArgumentException("setName object already has a name.");
}
try {
byte[] bytes = s.getBytes("UTF-8");
mRS.nAssignName(mID, bytes);
mName = s;
} catch (java.io.UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
protected void finalize() throws Throwable {
if (!mDestroyed) {
if(mID != 0 && mRS.isAlive()) {
mRS.nObjDestroy(mID);
}
mRS = null;
mID = 0;
mDestroyed = true;
//Log.v(RenderScript.LOG_TAG, getClass() +
// " auto finalizing object without having released the RS reference.");
}
super.finalize();
}
synchronized public void destroy() {
if(mDestroyed) {
throw new RSInvalidStateException("Object already destroyed.");
}
mDestroyed = true;
mRS.nObjDestroy(mID);
}
// If an object came from an a3d file, java fields need to be
// created with objects from the native layer
void updateFromNative() {
mRS.validate();
mName = mRS.nGetName(getID());
}
}
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