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%2Fdatastore%2FAbstractTransactionContext.java;h=571899ba14343f7b8f189571e18f708b397fc86b;hb=refs%2Fchanges%2F55%2F20755%2F14;hp=933e87ace2588388a624783960788a7a3c01bbd5;hpb=37f0504d391efd8b7d61403759fcc22a6dd3a093;p=controller.git

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractTransactionContext.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractTransactionContext.java
index 933e87ace2..571899ba14 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractTransactionContext.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractTransactionContext.java
@@ -7,22 +7,78 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
-import com.google.common.collect.Lists;
-import java.util.List;
+import com.google.common.base.Preconditions;
+import javax.annotation.Nonnull;
 import org.opendaylight.controller.cluster.datastore.identifiers.TransactionIdentifier;
-import scala.concurrent.Future;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 abstract class AbstractTransactionContext implements TransactionContext {
+    private static final Logger LOG = LoggerFactory.getLogger(AbstractTransactionContext.class);
+    private final OperationLimiter limiter;
+    private long modificationCount = 0;
+    private boolean handoffComplete;
 
-    protected final TransactionIdentifier identifier;
-    protected final List<Future<Object>> recordedOperationFutures = Lists.newArrayList();
+    protected AbstractTransactionContext(final OperationLimiter limiter) {
+        this.limiter = Preconditions.checkNotNull(limiter);
+    }
+
+    /**
+     * Get the transaction identifier associated with this context.
+     *
+     * @return Transaction identifier.
+     */
+    @Nonnull protected final TransactionIdentifier getIdentifier() {
+        return limiter.getIdentifier();
+    }
+
+    /**
+     * Return the operation limiter associated with this context.
+     * @return Operation limiter.
+     */
+    @Nonnull protected final OperationLimiter getLimiter() {
+        return limiter;
+    }
+
+    /**
+     * Indicate whether all operations have been handed off by the {@link TransactionContextWrapper}.
+     *
+     * @return True if this context is responsible for throttling.
+     */
+    protected final boolean isOperationHandoffComplete() {
+        return handoffComplete;
+    }
+
+    /**
+     * Acquire operation from the limiter if the handoff has completed. If
+     * the handoff is still ongoing, this method does nothing.
+     */
+    protected final void acquireOperation() {
+        if (handoffComplete) {
+            limiter.acquire();
+        }
+    }
+
+    /**
+     * Acquire operation from the limiter if the handoff has NOT completed. If
+     * the handoff has completed, this method does nothing.
+     */
+    protected final void releaseOperation() {
+        if (!handoffComplete) {
+            limiter.release();
+        }
+    }
+
+    protected final void incrementModificationCount() {
+        modificationCount++;
+    }
 
-    AbstractTransactionContext(TransactionIdentifier identifier) {
-        this.identifier = identifier;
+    protected final void logModificationCount() {
+        LOG.debug("Total modifications on Tx {} = [ {} ]", getIdentifier(), modificationCount);
     }
 
     @Override
-    public List<Future<Object>> getRecordedOperationFutures() {
-        return recordedOperationFutures;
+    public final void operationHandoffComplete() {
+        handoffComplete = true;
     }
-}
\ No newline at end of file
+}