Publish SnapshotBacked transactions

[controller.git] / opendaylight / md-sal / sal-dom-spi / src / main / java / org / opendaylight / controller / sal / core / spi / data / SnapshotBackedTransactions.java

diff --git a/opendaylight/md-sal/sal-dom-spi/src/main/java/org/opendaylight/controller/sal/core/spi/data/SnapshotBackedTransactions.java b/opendaylight/md-sal/sal-dom-spi/src/main/java/org/opendaylight/controller/sal/core/spi/data/SnapshotBackedTransactions.java
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+++ b/opendaylight/md-sal/sal-dom-spi/src/main/java/org/opendaylight/controller/sal/core/spi/data/SnapshotBackedTransactions.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2015 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.sal.core.spi.data;
+
+import com.google.common.annotations.Beta;
+import org.opendaylight.controller.sal.core.spi.data.SnapshotBackedWriteTransaction.TransactionReadyPrototype;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
+
+/**
+ * Public utility class for instantiating snapshot-backed transactions.
+ */
+@Beta
+public final class SnapshotBackedTransactions {
+    private SnapshotBackedTransactions() {
+        throw new UnsupportedOperationException("Utility class");
+    }
+
+    /**
+     * Creates a new read-only transaction.
+     *
+     * @param identifier Transaction Identifier
+     * @param debug Enable transaction debugging
+     * @param snapshot Snapshot which will be modified.
+     */
+    public static <T> SnapshotBackedReadTransaction<T> newReadTransaction(final T identifier, final boolean debug, final DataTreeSnapshot snapshot) {
+        return new SnapshotBackedReadTransaction<T>(identifier, debug, snapshot);
+    }
+
+    /**
+     * Creates a new read-write transaction.
+     *
+     * @param identifier transaction Identifier
+     * @param debug Enable transaction debugging
+     * @param snapshot Snapshot which will be modified.
+     * @param readyImpl Implementation of ready method.
+     */
+    public static <T> SnapshotBackedReadWriteTransaction<T> newReadWriteTransaction(final T identifier, final boolean debug,
+            final DataTreeSnapshot snapshot, final TransactionReadyPrototype<T> readyImpl) {
+        return new SnapshotBackedReadWriteTransaction<T>(identifier, debug, snapshot, readyImpl);
+    }
+
+    /**
+     * Creates a new write-only transaction.
+     *
+     * @param identifier transaction Identifier
+     * @param debug Enable transaction debugging
+     * @param snapshot Snapshot which will be modified.
+     * @param readyImpl Implementation of ready method.
+     */
+    public static <T> SnapshotBackedWriteTransaction<T> newWriteTransaction(final T identifier, final boolean debug,
+            final DataTreeSnapshot snapshot, final TransactionReadyPrototype<T> readyImpl) {
+        return new SnapshotBackedWriteTransaction<T>(identifier, debug, snapshot, readyImpl);
+    }
+}