1 files changed, 0 insertions, 126 deletions
diff --git a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/TransactionManager.java b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/TransactionManager.java
deleted file mode 100644
index fc6e58d0..00000000
--- a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/TransactionManager.java
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * 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.consistent.impl;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.concurrent.CompletableFuture;
-import java.util.stream.Collectors;
-
-import org.onlab.util.KryoNamespace;
-import org.onosproject.store.serializers.KryoNamespaces;
-import org.onosproject.store.service.AsyncConsistentMap;
-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.Versioned;
-import org.onosproject.store.service.Transaction.State;
-
-import com.google.common.collect.ImmutableList;
-
-/**
- * Agent that runs the two phase commit protocol.
- */
-public class TransactionManager {
-
-    private static final KryoNamespace KRYO_NAMESPACE = KryoNamespace.newBuilder()
-            .register(KryoNamespaces.BASIC)
-            .nextId(KryoNamespace.FLOATING_ID)
-            .register(Versioned.class)
-            .register(DatabaseUpdate.class)
-            .register(DatabaseUpdate.Type.class)
-            .register(DefaultTransaction.class)
-            .register(Transaction.State.class)
-            .build();
-
-    private final Serializer serializer = Serializer.using(Arrays.asList(KRYO_NAMESPACE));
-    private final Database database;
-    private final AsyncConsistentMap<Long, Transaction> transactions;
-
-    /**
-     * Constructs a new TransactionManager for the specified database instance.
-     *
-     * @param database database
-     * @param mapBuilder builder for ConsistentMap instances
-     */
-    public TransactionManager(Database database, ConsistentMapBuilder<Long, Transaction> mapBuilder) {
-        this.database = checkNotNull(database, "database cannot be null");
-        this.transactions = mapBuilder.withName("onos-transactions")
-                                      .withSerializer(serializer)
-                                      .buildAsyncMap();
-    }
-
-    /**
-     * Executes the specified transaction by employing a two phase commit protocol.
-     *
-     * @param transaction transaction to commit
-     * @return transaction result. Result value true indicates a successful commit, false
-     * indicates abort
-     */
-    public CompletableFuture<CommitResponse> execute(Transaction transaction) {
-        // clean up if this transaction in already in a terminal state.
-        if (transaction.state() == Transaction.State.COMMITTED ||
-                transaction.state() == Transaction.State.ROLLEDBACK) {
-            return transactions.remove(transaction.id()).thenApply(v -> CommitResponse.success(ImmutableList.of()));
-        } else if (transaction.state() == Transaction.State.COMMITTING) {
-            return commit(transaction);
-        } else if (transaction.state() == Transaction.State.ROLLINGBACK) {
-            return rollback(transaction).thenApply(v -> CommitResponse.success(ImmutableList.of()));
-        } else {
-            return prepare(transaction).thenCompose(v -> v ? commit(transaction) : rollback(transaction));
-        }
-    }
-
-
-    /**
-     * Returns all transactions in the system.
-     *
-     * @return future for a collection of transactions
-     */
-    public CompletableFuture<Collection<Transaction>> getTransactions() {
-        return transactions.values().thenApply(c -> {
-            Collection<Transaction> txns = c.stream().map(v -> v.value()).collect(Collectors.toList());
-            return txns;
-        });
-    }
-
-    private CompletableFuture<Boolean> prepare(Transaction transaction) {
-        return transactions.put(transaction.id(), transaction)
-                .thenCompose(v -> database.prepare(transaction))
-                .thenCompose(status -> transactions.put(
-                            transaction.id(),
-                            transaction.transition(status ? State.COMMITTING : State.ROLLINGBACK))
-                .thenApply(v -> status));
-    }
-
-    private CompletableFuture<CommitResponse> commit(Transaction transaction) {
-        return database.commit(transaction)
-                .whenComplete((r, e) -> transactions.put(
-                            transaction.id(),
-                            transaction.transition(Transaction.State.COMMITTED)));
-    }
-
-    private CompletableFuture<CommitResponse> rollback(Transaction transaction) {
-        return database.rollback(transaction)
-                .thenCompose(v -> transactions.put(
-                            transaction.id(),
-                            transaction.transition(Transaction.State.ROLLEDBACK)))
-                .thenApply(v -> CommitResponse.failure());
-    }
-}