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author | Egil Moeller <egil.moller@freecode.no> | 2010-03-22 00:16:53 +0100 |
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committer | Egil Moeller <egil.moller@freecode.no> | 2010-03-22 00:16:53 +0100 |
commit | fc00cfedd6c25d1634a1e0d28a7b7bc5f42e1cd7 (patch) | |
tree | 928419d6bfe794865e4b8f0634bd792f795c4b8a /trunk/infrastructure/net.appjet.oui/dynamicvar.scala | |
parent | 0fdab3db005c4fa31fb8306b573c0b35073d3e56 (diff) | |
parent | d56b9b3b82cdebcaeb00eec0fcb4326ad21adaa8 (diff) | |
download | etherpad-fc00cfedd6c25d1634a1e0d28a7b7bc5f42e1cd7.tar.gz etherpad-fc00cfedd6c25d1634a1e0d28a7b7bc5f42e1cd7.tar.xz etherpad-fc00cfedd6c25d1634a1e0d28a7b7bc5f42e1cd7.zip |
Merge branch 'master' into plugin-framework
Diffstat (limited to 'trunk/infrastructure/net.appjet.oui/dynamicvar.scala')
-rw-r--r-- | trunk/infrastructure/net.appjet.oui/dynamicvar.scala | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/trunk/infrastructure/net.appjet.oui/dynamicvar.scala b/trunk/infrastructure/net.appjet.oui/dynamicvar.scala deleted file mode 100644 index b1f8c2e..0000000 --- a/trunk/infrastructure/net.appjet.oui/dynamicvar.scala +++ /dev/null @@ -1,49 +0,0 @@ -/** - * Copyright 2009 Google Inc. - * - * 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 net.appjet.oui; - -class NoninheritedDynamicVariable[T](init: T) { - private val tl = new ThreadLocal[T] { - override def initialValue = init.asInstanceOf[T with AnyRef] - } - - /** Retrieve the current value */ - def value: T = tl.get.asInstanceOf[T] - - - /** Set the value of the variable while executing the specified - * thunk. - * - * @param newval The value to which to set the fluid - * @param thunk The code to evaluate under the new setting - */ - def withValue[S](newval: T)(thunk: =>S): S = { - val oldval = value - tl.set(newval) - - try { thunk } finally { - tl.set(oldval) - } - } - - /** Change the currently bound value, discarding the old value. - * Usually <code>withValue()</code> gives better semantics. - */ - def value_=(newval: T) = { tl.set(newval) } - - override def toString: String = "NoninheritedDynamicVariable(" + value +")" -} |