X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatabroker%2Factors%2Fdds%2FClientTransaction.java;h=b2ff5d5184d58753fa76bf90df457abfe6e685f0;hb=f40e99a51cd3fc2c9be3ac8aa0772bdb6b6ce479;hp=f5855c279a9e4e9f648b93a047c1d9cdc3c4a1cc;hpb=27e0cf91aaba3d2a9f9e3f33e31f0faece502cd4;p=controller.git

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/ClientTransaction.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/ClientTransaction.java
index f5855c279a..b2ff5d5184 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/ClientTransaction.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/ClientTransaction.java
@@ -12,10 +12,15 @@ import static com.google.common.base.Preconditions.checkState;
 import com.google.common.annotations.Beta;
 import com.google.common.util.concurrent.FluentFuture;
 import java.util.Collection;
+import java.util.Map;
 import java.util.Optional;
+import org.eclipse.jdt.annotation.NonNull;
 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
+import org.opendaylight.controller.cluster.datastore.utils.RootScatterGather;
 import org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 
 /**
@@ -54,49 +59,76 @@ public class ClientTransaction extends AbstractClientHandle<AbstractProxyTransac
         super(parent, transactionId);
     }
 
-    private AbstractProxyTransaction ensureTransactionProxy(final YangInstanceIdentifier path) {
-        return ensureProxy(path);
-    }
-
     public FluentFuture<Boolean> exists(final YangInstanceIdentifier path) {
-        return ensureTransactionProxy(path).exists(path);
+        return ensureProxy(path).exists(path);
     }
 
     public FluentFuture<Optional<NormalizedNode>> read(final YangInstanceIdentifier path) {
-        return ensureTransactionProxy(path).read(path);
+        return path.isEmpty() ? readRoot() : ensureProxy(path).read(path);
+    }
+
+    private FluentFuture<Optional<NormalizedNode>> readRoot() {
+        return RootScatterGather.gather(parent().actorUtils(), ensureAllProxies()
+            .map(proxy -> proxy.read(YangInstanceIdentifier.of())));
     }
 
     public void delete(final YangInstanceIdentifier path) {
-        ensureTransactionProxy(path).delete(path);
+        if (path.isEmpty()) {
+            ensureAllProxies().forEach(proxy -> proxy.delete(YangInstanceIdentifier.of()));
+        } else {
+            ensureProxy(path).delete(path);
+        }
     }
 
     public void merge(final YangInstanceIdentifier path, final NormalizedNode data) {
-        ensureTransactionProxy(path).merge(path, data);
+        if (path.isEmpty()) {
+            mergeRoot(RootScatterGather.castRootNode(data));
+        } else {
+            ensureProxy(path).merge(path, data);
+        }
+    }
+
+    private void mergeRoot(final @NonNull ContainerNode rootData) {
+        if (!rootData.isEmpty()) {
+            RootScatterGather.scatterTouched(rootData, this::ensureProxy).forEach(
+                scattered -> scattered.shard().merge(YangInstanceIdentifier.of(), scattered.container()));
+        }
     }
 
     public void write(final YangInstanceIdentifier path, final NormalizedNode data) {
-        ensureTransactionProxy(path).write(path, data);
+        if (path.isEmpty()) {
+            writeRoot(RootScatterGather.castRootNode(data));
+        } else {
+            ensureProxy(path).write(path, data);
+        }
+    }
+
+    private void writeRoot(final @NonNull ContainerNode rootData) {
+        RootScatterGather.scatterAll(rootData, this::ensureProxy, ensureAllProxies()).forEach(
+            scattered -> scattered.shard().write(YangInstanceIdentifier.of(), scattered.container()));
+    }
+
+    private AbstractProxyTransaction ensureProxy(final PathArgument childId) {
+        return ensureProxy(YangInstanceIdentifier.of(childId));
     }
 
     public DOMStoreThreePhaseCommitCohort ready() {
-        final Collection<AbstractProxyTransaction> toReady = ensureClosed();
-        checkState(toReady != null, "Attempted to submit a closed transaction %s", this);
+        final Map<Long, AbstractProxyTransaction> participants = ensureClosed();
+        checkState(participants != null, "Attempted to submit a closed transaction %s", this);
 
+        final Collection<AbstractProxyTransaction> toReady = participants.values();
         toReady.forEach(AbstractProxyTransaction::seal);
-        final AbstractTransactionCommitCohort cohort;
-        switch (toReady.size()) {
-            case 0:
-                cohort = new EmptyTransactionCommitCohort(parent(), getIdentifier());
-                break;
-            case 1:
-                cohort = new DirectTransactionCommitCohort(parent(), getIdentifier(), toReady.iterator().next());
-                break;
-            default:
-                cohort = new ClientTransactionCommitCohort(parent(), getIdentifier(), toReady);
-                break;
-        }
 
-        return parent().onTransactionReady(this, cohort);
+        final TransactionIdentifier txId = getIdentifier();
+        final AbstractClientHistory parent = parent();
+        parent.onTransactionShardsBound(txId, participants.keySet());
+
+        final AbstractTransactionCommitCohort cohort = switch (toReady.size()) {
+            case 0 -> new EmptyTransactionCommitCohort(parent, txId);
+            case 1 -> new DirectTransactionCommitCohort(parent, txId, toReady.iterator().next());
+            default -> new ClientTransactionCommitCohort(parent, txId, toReady);
+        };
+        return parent.onTransactionReady(this, cohort);
     }
 
     @Override