Remove unused class: BatchWrite

Change-Id: I334bf328213881dc44e94524d5a54151f1cba8d4

-/*
- * Copyright 2014 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.net.intent;
-
-import com.google.common.base.MoreObjects;
-import com.google.common.collect.ImmutableList;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-public final class BatchWrite {
-
-    public enum OpType {
-        CREATE_INTENT,
-        REMOVE_INTENT,
-        SET_STATE,
-        SET_INSTALLABLE,
-        REMOVE_INSTALLED
-    }
-
-    List<Operation> operations = new ArrayList<>();
-
-    private BatchWrite() {}
-
-    /**
-     * Returns a new empty batch write operation builder.
-     *
-     * @return BatchWrite
-     */
-    public static BatchWrite newInstance() {
-        return new BatchWrite();
-    }
-
-    public List<Operation> operations() {
-        return Collections.unmodifiableList(operations);
-    }
-
-    public boolean isEmpty() {
-        return operations.isEmpty();
-    }
-
-    public BatchWrite createIntent(Intent intent) {
-        operations.add(Operation.of(OpType.CREATE_INTENT,
-                ImmutableList.of(intent)));
-        return this;
-    }
-
-    public BatchWrite removeIntent(IntentId intentId) {
-        operations.add(Operation.of(OpType.REMOVE_INTENT,
-                ImmutableList.of(intentId)));
-        return this;
-    }
-
-    public BatchWrite setState(Intent intent, IntentState newState) {
-        operations.add(Operation.of(OpType.SET_STATE,
-                ImmutableList.of(intent, newState)));
-        return this;
-    }
-
-    public BatchWrite setInstallableIntents(IntentId intentId, List<Intent> installableIntents) {
-        operations.add(Operation.of(OpType.SET_INSTALLABLE,
-                ImmutableList.of(intentId, installableIntents)));
-        return this;
-    }
-
-    public BatchWrite removeInstalledIntents(IntentId intentId) {
-        operations.add(Operation.of(OpType.REMOVE_INSTALLED,
-                ImmutableList.of(intentId)));
-        return this;
-    }
-
-    @Override
-    public String toString() {
-        return MoreObjects.toStringHelper(getClass())
-                .add("operations", operations)
-                .toString();
-    }
-
-    public static final class Operation {
-        final OpType type;
-        final ImmutableList<Object> args;
-
-        public static Operation of(OpType type, List<Object> args) {
-            return new Operation(type, args);
-        }
-
-        private Operation(OpType type, List<Object> args) {
-            this.type = checkNotNull(type);
-            this.args = ImmutableList.copyOf(args);
-        }
-
-        public OpType type() {
-            return type;
-        }
-
-        public ImmutableList<Object> args() {
-            return args;
-        }
-
-        @SuppressWarnings("unchecked")
-        public <T> T arg(int i) {
-            return (T) args.get(i);
-        }
-
-        @Override
-        public String toString() {
-            return MoreObjects.toStringHelper(getClass())
-                    .add("type", type)
-                    .add("args", args)
-                    .toString();
-        }
-    }
-}