Hide CodecContextSupplier

[mdsal.git] / binding / mdsal-binding-dom-codec / src / main / java / org / opendaylight / mdsal / binding / dom / codec / impl / CommonDataObjectCodecPrototype.java

diff --git a/binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/CommonDataObjectCodecPrototype.java b/binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/CommonDataObjectCodecPrototype.java
index 24340e46527227816b59f5efb9a5d575a4d349f4..ec3a2ea64c5ae04ae74e0dc1d5148a9b714cadc1 100644 (file)
--- a/binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/CommonDataObjectCodecPrototype.java
+++ b/binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/CommonDataObjectCodecPrototype.java
@@ -9,36 +9,18 @@ package org.opendaylight.mdsal.binding.dom.codec.impl;
 
 import static java.util.Objects.requireNonNull;
 
-import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
-import java.lang.invoke.MethodHandles;
-import java.lang.invoke.VarHandle;
 import org.eclipse.jdt.annotation.NonNull;
 import org.opendaylight.mdsal.binding.runtime.api.CompositeRuntimeType;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.Item;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
 
-abstract sealed class CommonDataObjectCodecPrototype<T extends CompositeRuntimeType> implements CodecContextSupplier
+abstract sealed class CommonDataObjectCodecPrototype<T extends CompositeRuntimeType>
+        extends LazyCodecContextSupplier<CommonDataObjectCodecContext<?, T>>
         permits AugmentationCodecPrototype, DataObjectCodecPrototype {
-    private static final VarHandle INSTANCE;
-
-    static {
-        try {
-            INSTANCE = MethodHandles.lookup().findVarHandle(CommonDataObjectCodecPrototype.class,
-                "instance", CommonDataObjectCodecContext.class);
-        } catch (NoSuchFieldException | IllegalAccessException e) {
-            throw new ExceptionInInitializerError(e);
-        }
-    }
-
     private final @NonNull T type;
     private final @NonNull CodecContextFactory factory;
     private final @NonNull Item<?> bindingArg;
 
-    // Accessed via INSTANCE
-    @SuppressWarnings("unused")
-    @SuppressFBWarnings(value = "UUF_UNUSED_FIELD", justification = "https://github.com/spotbugs/spotbugs/issues/2749")
-    private volatile CommonDataObjectCodecContext<?, T> instance;
-
     CommonDataObjectCodecPrototype(final Item<?> bindingArg, final T type, final CodecContextFactory factory) {
         this.bindingArg = requireNonNull(bindingArg);
         this.type = requireNonNull(type);
@@ -62,19 +44,4 @@ abstract sealed class CommonDataObjectCodecPrototype<T extends CompositeRuntimeT
     }
 
     abstract @NonNull NodeIdentifier getYangArg();
-
-    @Override
-    public final CommonDataObjectCodecContext<?, T> get() {
-        final var existing = (CommonDataObjectCodecContext<?, T>) INSTANCE.getAcquire(this);
-        return existing != null ? existing : loadInstance();
-    }
-
-    private @NonNull CommonDataObjectCodecContext<?, T> loadInstance() {
-        final var tmp = createInstance();
-        final var witness = (CommonDataObjectCodecContext<?, T>) INSTANCE.compareAndExchangeRelease(this, null, tmp);
-        return witness == null ? tmp : witness;
-    }
-
-    // This method must allow concurrent loading, i.e. nothing in it may have effects outside of the loaded object
-    abstract @NonNull CommonDataObjectCodecContext<?, T> createInstance();
 }