Expose completion future from WriteOperations

[mdsal.git] / dom / mdsal-dom-spi / src / main / java / org / opendaylight / mdsal / dom / spi / UncancellableListenableFuture.java

diff --git a/dom/mdsal-dom-spi/src/main/java/org/opendaylight/mdsal/dom/spi/UncancellableListenableFuture.java b/dom/mdsal-dom-spi/src/main/java/org/opendaylight/mdsal/dom/spi/UncancellableListenableFuture.java
new file mode 100644 (file)
index 0000000..d80634b
--- /dev/null
+++ b/dom/mdsal-dom-spi/src/main/java/org/opendaylight/mdsal/dom/spi/UncancellableListenableFuture.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2020 PANTHEON.tech, s.r.o. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.mdsal.dom.spi;
+
+import com.google.common.annotations.Beta;
+import com.google.common.util.concurrent.ForwardingListenableFuture.SimpleForwardingListenableFuture;
+import com.google.common.util.concurrent.ListenableFuture;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Beta
+public final class UncancellableListenableFuture<V> extends SimpleForwardingListenableFuture<V> {
+    private static final Logger LOG = LoggerFactory.getLogger(UncancellableListenableFuture.class);
+
+    public UncancellableListenableFuture(final ListenableFuture<V> delegate) {
+        super(delegate);
+    }
+
+    @Override
+    public boolean cancel(final boolean mayInterruptIfRunning) {
+        LOG.debug("Attempted to cancel future", new Throwable());
+        return false;
+    }
+}