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clean up AstPath objects when no PSI is accessed, e.g. after project closing

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peter
2016-06-01 07:35:13 +02:00
parent c4176a20ca
commit 446b80077a
1 changed files with 12 additions and 0 deletions
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platform/core-impl/src/com/intellij/psi/impl/source/AstPathPsiMap.java
+12
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@@ -15,6 +15,7 @@
*/
package com.intellij.psi.impl.source;
import com.intellij.concurrency.JobScheduler;
import com.intellij.extapi.psi.StubBasedPsiElementBase;
import com.intellij.psi.impl.source.tree.AstPath;
import com.intellij.psi.impl.source.tree.CompositeElement;
@@ -26,6 +27,7 @@ import org.jetbrains.annotations.Nullable;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.WeakReference;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.TimeUnit;
/**
* A weak cache for all instantiated stub-based PSI to allow {@link CompositeElement#getPsi()} return it when AST is reloaded.<p/>
@@ -39,6 +41,16 @@ class AstPathPsiMap {
*/
private final ConcurrentMap<AstPath, MyReference> myMap = ContainerUtil.newConcurrentMap();
static {
JobScheduler.getScheduler().scheduleWithFixedDelay(new Runnable() {
@Override
public void run() {
// clean up AstPath objects when no PSI is accessed, e.g. after project closing
processQueue();
}
}, 5, 5, TimeUnit.SECONDS);
}
void invalidatePsi() {
processQueue();
for (MyReference reference : myMap.values()) {