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cache ReplacePathToMacroMap

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This commit is contained in:
Vladimir Krivosheev
2018-07-24 17:25:08 +02:00
parent ebfb2043c2
commit de1867c616
1 changed files with 16 additions and 3 deletions
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platform/projectModel-impl/src/com/intellij/openapi/components/impl/BasePathMacroManager.java
+16 -3
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@@ -1,4 +1,4 @@
// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
package com.intellij.openapi.components.impl;
import com.intellij.application.options.PathMacrosCollector;
@@ -30,6 +30,9 @@ public class BasePathMacroManager extends PathMacroManager {
private PathMacrosImpl myPathMacros;
private ReplacePathToMacroMap myReplacePathToMacroMap;
private long myPathMacrosModificationCount;
public BasePathMacroManager(@Nullable PathMacros pathMacros) {
myPathMacros = (PathMacrosImpl)pathMacros;
}
@@ -80,12 +83,22 @@ public class BasePathMacroManager extends PathMacroManager {
}
@NotNull
protected ReplacePathToMacroMap getReplacePathMap() {
protected synchronized ReplacePathToMacroMap getReplacePathMap() {
PathMacrosImpl pathMacros = getPathMacros();
long pathMacrosModificationCount = pathMacros.getModificationCount();
if (myReplacePathToMacroMap != null && pathMacrosModificationCount == myPathMacrosModificationCount) {
return myReplacePathToMacroMap;
}
ReplacePathToMacroMap result = new ReplacePathToMacroMap();
getPathMacros().addMacroReplacements(result);
pathMacros.addMacroReplacements(result);
for (Map.Entry<String, String> entry : PathMacroUtil.getGlobalSystemMacros().entrySet()) {
result.addMacroReplacement(entry.getValue(), entry.getKey());
}
myReplacePathToMacroMap = result;
myPathMacrosModificationCount = pathMacrosModificationCount;
return result;
}