GraphEdge.java

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

public abstract class GraphEdge {
    public abstract float getWeight();

    public abstract int getDst();

    public abstract int getSrc();

    public abstract int getWeightCoef();
 
    private static final class CppProxy extends GraphEdge
    {
        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();
        }
 
        // GraphEdge methods
 
        @Override
        public float getWeight()
        {
            assert !this.destroyed.get() : "trying to use a destroyed object";
            return native_getWeight(this.nativeRef);
        }
        private native float native_getWeight(long _nativeRef);
 
        @Override
        public int getDst()
        {
            assert !this.destroyed.get() : "trying to use a destroyed object";
            return native_getDst(this.nativeRef);
        }
        private native int native_getDst(long _nativeRef);
 
        @Override
        public int getSrc()
        {
            assert !this.destroyed.get() : "trying to use a destroyed object";
            return native_getSrc(this.nativeRef);
        }
        private native int native_getSrc(long _nativeRef);
 
        @Override
        public int getWeightCoef()
        {
            assert !this.destroyed.get() : "trying to use a destroyed object";
            return native_getWeightCoef(this.nativeRef);
        }
        private native int native_getWeightCoef(long _nativeRef);
    }
}