BUG-5280: implement transaction dispatch

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / databroker / actors / dds / FailedDataTreeModification.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/FailedDataTreeModification.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/FailedDataTreeModification.java
new file mode 100644 (file)
index 0000000..b21b46d
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/FailedDataTreeModification.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. 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.controller.cluster.databroker.actors.dds;
+
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import java.util.function.Supplier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModificationCursor;
+
+/**
+ * An implementation of DataTreeModification which throws a specified {@link RuntimeException} when any of its methods
+ * are invoked.
+ *
+ * @author Robert Varga
+ */
+final class FailedDataTreeModification implements DataTreeModification {
+    private final Supplier<? extends RuntimeException> supplier;
+
+    FailedDataTreeModification(final Supplier<? extends RuntimeException> supplier) {
+        this.supplier = Preconditions.checkNotNull(supplier);
+    }
+
+    @Override
+    public Optional<NormalizedNode<?, ?>> readNode(final YangInstanceIdentifier path) {
+        throw supplier.get();
+    }
+
+    @Override
+    public DataTreeModification newModification() {
+        throw supplier.get();
+    }
+
+    @Override
+    public void delete(final YangInstanceIdentifier path) {
+        throw supplier.get();
+    }
+
+    @Override
+    public void merge(final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
+        throw supplier.get();
+    }
+
+    @Override
+    public void write(final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
+        throw supplier.get();
+    }
+
+    @Override
+    public void ready() {
+        throw supplier.get();
+    }
+
+    @Override
+    public void applyToCursor(final DataTreeModificationCursor cursor) {
+        throw supplier.get();
+    }
+}