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From jburwell <>
Subject [GitHub] cloudstack pull request: CLOUDSTACK-8832 : Update Nuage VSP plugin...
Date Mon, 12 Oct 2015 16:54:59 GMT
Github user jburwell commented on a diff in the pull request:
    --- Diff: plugins/network-elements/nuage-vsp/src/com/cloud/agent/api/
    @@ -0,0 +1,60 @@
    +// Licensed to the Apache Software Foundation (ASF) under one
    +// or more contributor license agreements.  See the NOTICE file
    +// distributed with this work for additional information
    +// regarding copyright ownership.  The ASF licenses this file
    +// to you 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
    +// Unless required by applicable law or agreed to in writing,
    +// software distributed under the License is distributed on an
    +// KIND, either express or implied.  See the License for the
    +// specific language governing permissions and limitations
    +// under the License.
    +import java.util.Collections;
    +import java.util.Map;
    +public class UpdateNuageVspDeviceCommand extends Command {
    +    private final Map<String, String> _parametersToBeUpdated;
    +    public UpdateNuageVspDeviceCommand(Map<String, String> parametersToBeUpdated)
    +        super();
    +        this._parametersToBeUpdated = parametersToBeUpdated;
    --- End diff --
    To prevent the impact of side-effects from changes to the ``parametersToBeUpdated`` in
post construction behavior, copy the ``Map`` and wrap it in an unmodifiable as follows:
    this._parametersToBeUpdated = Collections.unmodifiableMap(new HashMap<String, String>(parametersToBeUpdated));
    This change will allow the return of the parameter in ``getParametersToBeUpdated`` without
    An alternative, cleaner approach (which I prefer, but not commonly used in the CloudStack
codebase) is to use Guava's ``ImmutableMap``.

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