Logger.java

Go to the documentation of this file.

package com.navigine.idl.java;
 
import java.util.concurrent.atomic.AtomicBoolean;

public abstract class Logger {
    public abstract void subscribe(LogListener listener);
 
    public abstract void unsubscribe(LogListener listener);
 
    public static Logger getLogger()
    {
        return CppProxy.getLogger();
    }
 
    private static final class CppProxy extends Logger
    {
        private final long nativeRef;
        private final AtomicBoolean destroyed = new AtomicBoolean(false);
 
        private CppProxy(long nativeRef)
        {
            if (nativeRef == 0) throw new RuntimeException("nativeRef is zero");
            this.nativeRef = nativeRef;
        }
 
        private native void nativeDestroy(long nativeRef);
        public void _djinni_private_destroy()
        {
            boolean destroyed = this.destroyed.getAndSet(true);
            if (!destroyed) nativeDestroy(this.nativeRef);
        }
        protected void finalize() throws java.lang.Throwable
        {
            _djinni_private_destroy();
            super.finalize();
        }
 
        // Logger methods
 
        @Override
        public void subscribe(LogListener listener)
        {
            assert !this.destroyed.get() : "trying to use a destroyed object";
            native_subscribe(this.nativeRef, listener);
        }
        private native void native_subscribe(long _nativeRef, LogListener listener);
 
        @Override
        public void unsubscribe(LogListener listener)
        {
            assert !this.destroyed.get() : "trying to use a destroyed object";
            native_unsubscribe(this.nativeRef, listener);
        }
        private native void native_unsubscribe(long _nativeRef, LogListener listener);
 
        public static native Logger getLogger();
    }
}