diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DefaultTransactionContext.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DefaultTransactionContext.java
new file mode 100644
index 0000000..c8abc04
--- /dev/null
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DefaultTransactionContext.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.store.primitives.impl;
+
+import java.util.List;
+import java.util.Map;
+import java.util.function.Supplier;
+
+import static com.google.common.base.Preconditions.*;
+
+import org.onosproject.store.service.ConsistentMapBuilder;
+import org.onosproject.store.service.DatabaseUpdate;
+import org.onosproject.store.service.Serializer;
+import org.onosproject.store.service.Transaction;
+import org.onosproject.store.service.TransactionContext;
+import org.onosproject.store.service.TransactionalMap;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
+import com.google.common.util.concurrent.Futures;
+
+/**
+ * Default TransactionContext implementation.
+ */
+public class DefaultTransactionContext implements TransactionContext {
+    private static final String TX_NOT_OPEN_ERROR = "Transaction Context is not open";
+
+    @SuppressWarnings("rawtypes")
+    private final Map<String, DefaultTransactionalMap> txMaps = Maps.newConcurrentMap();
+    private boolean isOpen = false;
+    private final Database database;
+    private final long transactionId;
+    private final Supplier<ConsistentMapBuilder> mapBuilderSupplier;
+
+    public DefaultTransactionContext(long transactionId,
+            Database database,
+            Supplier<ConsistentMapBuilder> mapBuilderSupplier) {
+        this.transactionId = transactionId;
+        this.database = checkNotNull(database);
+        this.mapBuilderSupplier = checkNotNull(mapBuilderSupplier);
+    }
+
+    @Override
+    public long transactionId() {
+        return transactionId;
+    }
+
+    @Override
+    public void begin() {
+        checkState(!isOpen, "Transaction Context is already open");
+        isOpen = true;
+    }
+
+    @Override
+    public boolean isOpen() {
+        return isOpen;
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public <K, V> TransactionalMap<K, V> getTransactionalMap(String mapName,
+            Serializer serializer) {
+        checkState(isOpen, TX_NOT_OPEN_ERROR);
+        checkNotNull(mapName);
+        checkNotNull(serializer);
+        return txMaps.computeIfAbsent(mapName, name -> new DefaultTransactionalMap<>(
+                                name,
+                                mapBuilderSupplier.get().withName(name).withSerializer(serializer).build(),
+                                this,
+                                serializer));
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public boolean commit() {
+        // TODO: rework commit implementation to be more intuitive
+        checkState(isOpen, TX_NOT_OPEN_ERROR);
+        CommitResponse response = null;
+        try {
+            List<DatabaseUpdate> updates = Lists.newLinkedList();
+            txMaps.values().forEach(m -> updates.addAll(m.prepareDatabaseUpdates()));
+            Transaction transaction = new DefaultTransaction(transactionId, updates);
+            response = Futures.getUnchecked(database.prepareAndCommit(transaction));
+            return response.success();
+        } catch (Exception e) {
+            abort();
+            return false;
+        } finally {
+            isOpen = false;
+        }
+    }
+
+    @Override
+    public void abort() {
+        if (isOpen) {
+            try {
+                txMaps.values().forEach(m -> m.rollback());
+            } finally {
+                isOpen = false;
+            }
+        }
+    }
+}