Remove TransactionContext.supportsDirectCommit method

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / LocalTransactionContext.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalTransactionContext.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalTransactionContext.java
index dd7c9194fde2cdd95b7f72be041c977ac7ad9739..55ff68e39f9d6e3626000efde345d7b4386db0fc 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalTransactionContext.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalTransactionContext.java
@@ -8,15 +8,16 @@
 package org.opendaylight.controller.cluster.datastore;
 
 import akka.actor.ActorSelection;
-import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 import com.google.common.util.concurrent.FutureCallback;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.SettableFuture;
 import org.opendaylight.controller.cluster.datastore.identifiers.TransactionIdentifier;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.controller.cluster.datastore.messages.AbstractRead;
+import org.opendaylight.controller.cluster.datastore.modification.AbstractModification;
+import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
+import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransaction;
+import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
 import scala.concurrent.Future;
 
 /**
@@ -25,92 +26,68 @@ import scala.concurrent.Future;
  *
  * @author Thomas Pantelis
  */
-final class LocalTransactionContext extends AbstractTransactionContext {
-    private final DOMStoreReadWriteTransaction delegate;
-    private final OperationCompleter completer;
+abstract class LocalTransactionContext extends AbstractTransactionContext {
+    private final DOMStoreTransaction txDelegate;
+    private final LocalTransactionReadySupport readySupport;
+    private Exception operationError;
 
-    LocalTransactionContext(TransactionIdentifier identifier, DOMStoreReadWriteTransaction delegate, OperationCompleter completer) {
+    LocalTransactionContext(DOMStoreTransaction txDelegate, TransactionIdentifier identifier,
+            LocalTransactionReadySupport readySupport) {
         super(identifier);
-        this.delegate = Preconditions.checkNotNull(delegate);
-        this.completer = Preconditions.checkNotNull(completer);
+        this.txDelegate = Preconditions.checkNotNull(txDelegate);
+        this.readySupport = readySupport;
     }
 
-    @Override
-    public void writeData(final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
-        delegate.write(path, data);
-        completer.onComplete(null, null);
-    }
+    protected abstract DOMStoreWriteTransaction getWriteDelegate();
 
-    @Override
-    public void mergeData(final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
-        delegate.merge(path, data);
-        completer.onComplete(null, null);
-    }
+    protected abstract DOMStoreReadTransaction getReadDelegate();
 
     @Override
-    public void deleteData(final YangInstanceIdentifier path) {
-        delegate.delete(path);
-        completer.onComplete(null, null);
-    }
-
-    @Override
-    public void readData(final YangInstanceIdentifier path, final SettableFuture<Optional<NormalizedNode<?, ?>>> proxyFuture) {
-
-        Futures.addCallback(delegate.read(path), new FutureCallback<Optional<NormalizedNode<?, ?>>>() {
-            @Override
-            public void onSuccess(Optional<NormalizedNode<?, ?>> result) {
-                proxyFuture.set(result);
-                completer.onComplete(null, null);
-            }
-
-            @Override
-            public void onFailure(Throwable t) {
-                proxyFuture.setException(t);
-                completer.onComplete(null, null);
+    public void executeModification(AbstractModification modification) {
+        incrementModificationCount();
+        if(operationError == null) {
+            try {
+                modification.apply(getWriteDelegate());
+            } catch (Exception e) {
+                operationError = e;
             }
-        });
+        }
     }
 
     @Override
-    public void dataExists(final YangInstanceIdentifier path, final SettableFuture<Boolean> proxyFuture) {
-        Futures.addCallback(delegate.exists(path), new FutureCallback<Boolean>() {
+    public <T> void executeRead(AbstractRead<T> readCmd, final SettableFuture<T> proxyFuture) {
+        Futures.addCallback(readCmd.apply(getReadDelegate()), new FutureCallback<T>() {
             @Override
-            public void onSuccess(Boolean result) {
+            public void onSuccess(final T result) {
                 proxyFuture.set(result);
-                completer.onComplete(null, null);
             }
 
             @Override
-            public void onFailure(Throwable t) {
+            public void onFailure(final Throwable t) {
                 proxyFuture.setException(t);
-                completer.onComplete(null, null);
             }
         });
     }
 
     private LocalThreePhaseCommitCohort ready() {
-        LocalThreePhaseCommitCohort ready = (LocalThreePhaseCommitCohort) delegate.ready();
-        completer.onComplete(null, null);
-        return ready;
+        logModificationCount();
+        return readySupport.onTransactionReady(getWriteDelegate(), operationError);
     }
 
     @Override
     public Future<ActorSelection> readyTransaction() {
-        return ready().initiateCoordinatedCommit();
+        final LocalThreePhaseCommitCohort cohort = ready();
+        return cohort.initiateCoordinatedCommit();
     }
 
     @Override
     public Future<Object> directCommit() {
-        return ready().initiateDirectCommit();
-    }
-
-    @Override
-    public boolean supportsDirectCommit() {
-        return true;
+        final LocalThreePhaseCommitCohort cohort = ready();
+        return cohort.initiateDirectCommit();
     }
 
     @Override
     public void closeTransaction() {
-        delegate.close();
+        txDelegate.close();
     }
 }