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1340970bab
For consistency with the rest of dart:ui, check required parameters with assert(param != null) rather than throwing ArgumentError. ArgumentError is typically reserved for checking the validity of non-null args -- e.g. that a list has the required number of elements.
43 lines
1.5 KiB
Dart
43 lines
1.5 KiB
Dart
// Copyright 2018 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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part of dart.ui;
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abstract class IsolateNameServer {
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// Looks up the [SendPort] associated with a given name. Returns null
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// if the name does not exist.
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//
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// `name` must not be null.
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static SendPort lookupPortByName(String name) {
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assert(name != null, "'name' cannot be null.");
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return _lookupPortByName(name);
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}
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// Registers a SendPort with a given name. Returns true if registration is
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// successful, false if the name entry already exists.
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//
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// `port` and `name` must not be null.
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static bool registerPortWithName(SendPort port, String name) {
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assert(port != null, "'port' cannot be null.");
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assert(name != null, "'name' cannot be null.");
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return _registerPortWithName(port, name);
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}
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// Removes a name to SendPort mapping given a name. Returns true if the
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// mapping was successfully removed, false if the mapping does not exist.
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//
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// `name` must not be null.
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static bool removePortNameMapping(String name) {
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assert(name != null, "'name' cannot be null.");
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return _removePortNameMapping(name);
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}
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static SendPort _lookupPortByName(String name)
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native 'IsolateNameServerNatives_LookupPortByName';
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static bool _registerPortWithName(SendPort port, String name)
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native 'IsolateNameServerNatives_RegisterPortWithName';
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static bool _removePortNameMapping(String name)
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native 'IsolateNameServerNatives_RemovePortNameMapping';
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}
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