Deprecate DOMDataTreeProducer-related classes
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / databroker / actors / dds / ClientTransaction.java
index 334ab71d585d2f4295b8d78b2e5094fff839973e..5a28e692aaadfb4f04a9ea41f88690df6fe6b2ee 100644 (file)
@@ -8,13 +8,15 @@
 package org.opendaylight.controller.cluster.databroker.actors.dds;
 
 import com.google.common.annotations.Beta;
-import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Iterables;
-import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.FluentFuture;
 import java.util.Collection;
+import java.util.Optional;
+import org.eclipse.jdt.annotation.NonNull;
 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
-import org.opendaylight.mdsal.common.api.ReadFailedException;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeCursor;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteCursor;
 import org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
@@ -50,27 +52,30 @@ import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  * @author Robert Varga
  */
 @Beta
-public final class ClientTransaction extends AbstractClientHandle<AbstractProxyTransaction> {
+public class ClientTransaction extends AbstractClientHandle<AbstractProxyTransaction> {
+
+    private ClientTransactionCursor cursor;
 
     ClientTransaction(final AbstractClientHistory parent, final TransactionIdentifier transactionId) {
         super(parent, transactionId);
     }
 
-
-    private AbstractProxyTransaction createProxy(final Long shard) {
-        return parent().createTransactionProxy(getIdentifier(), shard);
+    private AbstractProxyTransaction ensureTransactionProxy(final YangInstanceIdentifier path) {
+        return ensureProxy(path);
     }
 
-    private AbstractProxyTransaction ensureTransactionProxy(final YangInstanceIdentifier path) {
-        return ensureProxy(path, this::createProxy);
+    @Deprecated(forRemoval = true)
+    public DOMDataTreeWriteCursor openCursor() {
+        Preconditions.checkState(cursor == null, "Transaction %s has open cursor", getIdentifier());
+        cursor = new ClientTransactionCursor(this);
+        return cursor;
     }
 
-    public CheckedFuture<Boolean, ReadFailedException> exists(final YangInstanceIdentifier path) {
+    public FluentFuture<Boolean> exists(final YangInstanceIdentifier path) {
         return ensureTransactionProxy(path).exists(path);
     }
 
-    public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(
-            final YangInstanceIdentifier path) {
+    public FluentFuture<Optional<NormalizedNode<?, ?>>> read(final YangInstanceIdentifier path) {
         return ensureTransactionProxy(path).read(path);
     }
 
@@ -107,4 +112,15 @@ public final class ClientTransaction extends AbstractClientHandle<AbstractProxyT
 
         return parent().onTransactionReady(this, cohort);
     }
+
+    @Override
+    final AbstractProxyTransaction createProxy(final Long shard) {
+        return parent().createTransactionProxy(getIdentifier(), shard);
+    }
+
+    void closeCursor(final @NonNull DOMDataTreeCursor cursorToClose) {
+        if (cursorToClose.equals(this.cursor)) {
+            this.cursor = null;
+        }
+    }
 }