Speed up DatastoreContextIntrospector a bit

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalTransactionChain.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalTransactionChain.java
index 93e09db32a90a05bddbb3d08bbeebb7ab78057e3..c995e1150df974d7dfdd1b1c7d9dcaa589be0d14 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalTransactionChain.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LocalTransactionChain.java
@@ -7,16 +7,20 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Objects.requireNonNull;
+
 import akka.actor.ActorSelection;
-import com.google.common.base.Preconditions;
-import org.opendaylight.controller.cluster.datastore.identifiers.TransactionIdentifier;
-import org.opendaylight.controller.sal.core.spi.data.AbstractSnapshotBackedTransactionChain;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
-import org.opendaylight.controller.sal.core.spi.data.SnapshotBackedWriteTransaction;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
+import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
+import org.opendaylight.mdsal.dom.spi.store.AbstractSnapshotBackedTransactionChain;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction;
+import org.opendaylight.mdsal.dom.spi.store.SnapshotBackedWriteTransaction;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.ReadOnlyDataTree;
 
 /**
  * Transaction chain instantiated on top of a locally-available DataTree. It does not instantiate
@@ -27,15 +31,16 @@ final class LocalTransactionChain extends AbstractSnapshotBackedTransactionChain
     private static final Throwable ABORTED = new Throwable("Transaction aborted");
     private final TransactionChainProxy parent;
     private final ActorSelection leader;
-    private final DataTree tree;
+    private final ReadOnlyDataTree tree;
 
-    LocalTransactionChain(final TransactionChainProxy parent, final ActorSelection leader, final DataTree tree) {
-        this.parent = Preconditions.checkNotNull(parent);
-        this.leader = Preconditions.checkNotNull(leader);
-        this.tree = Preconditions.checkNotNull(tree);
+    LocalTransactionChain(final TransactionChainProxy parent, final ActorSelection leader,
+            final ReadOnlyDataTree tree) {
+        this.parent = requireNonNull(parent);
+        this.leader = requireNonNull(leader);
+        this.tree = requireNonNull(tree);
     }
 
-    DataTree getDataTree() {
+    ReadOnlyDataTree getDataTree() {
         return tree;
     }
 
@@ -55,22 +60,66 @@ final class LocalTransactionChain extends AbstractSnapshotBackedTransactionChain
     }
 
     @Override
-    protected DOMStoreThreePhaseCommitCohort createCohort(final SnapshotBackedWriteTransaction<TransactionIdentifier> transaction, final DataTreeModification modification) {
-        return new LocalThreePhaseCommitCohort(parent.getActorContext(), leader, transaction, modification) {
-            @Override
-            protected void transactionAborted(final SnapshotBackedWriteTransaction<TransactionIdentifier> transaction) {
-                onTransactionFailed(transaction, ABORTED);
-            }
-
-            @Override
-            protected void transactionCommitted(final SnapshotBackedWriteTransaction<TransactionIdentifier> transaction) {
-                onTransactionCommited(transaction);
-            }
-        };
+    protected DOMStoreThreePhaseCommitCohort createCohort(
+            final SnapshotBackedWriteTransaction<TransactionIdentifier> transaction,
+            final DataTreeModification modification,
+            final Exception operationError) {
+        return new LocalChainThreePhaseCommitCohort(transaction, modification, operationError);
+    }
+
+    @Override
+    public DOMStoreReadTransaction newReadOnlyTransaction(TransactionIdentifier identifier) {
+        return super.newReadOnlyTransaction(identifier);
     }
 
     @Override
     public DOMStoreReadWriteTransaction newReadWriteTransaction(TransactionIdentifier identifier) {
         return super.newReadWriteTransaction(identifier);
     }
+
+    @Override
+    public DOMStoreWriteTransaction newWriteOnlyTransaction(TransactionIdentifier identifier) {
+        return super.newWriteOnlyTransaction(identifier);
+    }
+
+    @SuppressWarnings({"unchecked", "checkstyle:IllegalCatch"})
+    @Override
+    public LocalThreePhaseCommitCohort onTransactionReady(DOMStoreWriteTransaction tx, Exception operationError) {
+        checkArgument(tx instanceof SnapshotBackedWriteTransaction);
+        if (operationError != null) {
+            return new LocalChainThreePhaseCommitCohort((SnapshotBackedWriteTransaction<TransactionIdentifier>)tx,
+                    operationError);
+        }
+
+        try {
+            return (LocalThreePhaseCommitCohort) tx.ready();
+        } catch (Exception e) {
+            // Unfortunately we need to cast to SnapshotBackedWriteTransaction here as it's required by
+            // LocalThreePhaseCommitCohort and the base class.
+            return new LocalChainThreePhaseCommitCohort((SnapshotBackedWriteTransaction<TransactionIdentifier>)tx, e);
+        }
+    }
+
+    private class LocalChainThreePhaseCommitCohort extends LocalThreePhaseCommitCohort {
+
+        protected LocalChainThreePhaseCommitCohort(SnapshotBackedWriteTransaction<TransactionIdentifier> transaction,
+                DataTreeModification modification, Exception operationError) {
+            super(parent.getActorUtils(), leader, transaction, modification, operationError);
+        }
+
+        protected LocalChainThreePhaseCommitCohort(SnapshotBackedWriteTransaction<TransactionIdentifier> transaction,
+                Exception operationError) {
+            super(parent.getActorUtils(), leader, transaction, operationError);
+        }
+
+        @Override
+        protected void transactionAborted(SnapshotBackedWriteTransaction<TransactionIdentifier> transaction) {
+            onTransactionFailed(transaction, ABORTED);
+        }
+
+        @Override
+        protected void transactionCommitted(SnapshotBackedWriteTransaction<TransactionIdentifier> transaction) {
+            onTransactionCommited(transaction);
+        }
+    }
 }