| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| package com.google.protobuf.kotlin |
| |
| /** |
| * A simple wrapper around a [Map] with an extra generic parameter that can be used to disambiguate |
| * extension methods. |
| * |
| * <p>This class is used by Kotlin protocol buffer extensions, and its constructor is public only |
| * because generated message code is in a different compilation unit. Others should not use this |
| * class directly in any way. |
| */ |
| @Suppress("unused") // the unused type parameter |
| class DslMap<K, V, P : DslProxy> @OnlyForUseByGeneratedProtoCode constructor( |
| private val delegate: Map<K, V> |
| ) : Map<K, V> by delegate { |
| // We allocate the wrappers on calls to get, not with lazy {...}, because lazy allocates |
| // a few objects up front, and any kind of query operation on this object should be rare. |
| |
| override val entries: Set<Map.Entry<K, V>> |
| get() = UnmodifiableMapEntries(delegate.entries) |
| override val keys: Set<K> |
| get() = UnmodifiableSet(delegate.keys) |
| override val values: Collection<V> |
| get() = UnmodifiableCollection(delegate.values) |
| |
| override fun equals(other: Any?): Boolean = delegate == other |
| |
| override fun hashCode(): Int = delegate.hashCode() |
| |
| override fun toString(): String = delegate.toString() |
| } |
| |
| // TODO(lowasser): investigate making this an inline class |
