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memory, cleanup

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This commit is contained in:
Alexey Kudravtsev
2012-10-03 14:16:10 +04:00
parent b2c9c70793
commit 02dc830604
1 changed files with 17 additions and 17 deletions
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platform/testFramework/src/com/intellij/testFramework/LeakHunter.java
+17 -17
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@@ -30,6 +30,7 @@ import gnu.trove.THashMap;
import gnu.trove.THashSet;
import gnu.trove.TObjectHashingStrategy;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.TestOnly;
import javax.swing.*;
@@ -44,25 +45,25 @@ import java.util.Set;
* User: cdr
*/
public class LeakHunter {
private static final Map<Class, List<Field>> allFields = new THashMap<Class, List<Field>>();
private static List<Field> getAllFields(Class aClass) {
List<Field> cached = allFields.get(aClass);
private static final Map<Class, Field[]> allFields = new THashMap<Class, Field[]>();
private static Field[] getAllFields(@NotNull Class aClass) {
Field[] cached = allFields.get(aClass);
if (cached == null) {
Field[] declaredFields = aClass.getDeclaredFields();
cached =new ArrayList<Field>(declaredFields.length + 5);
List<Field> fields = new ArrayList<Field>(declaredFields.length + 5);
for (Field declaredField : declaredFields) {
declaredField.setAccessible(true);
cached.add(declaredField);
fields.add(declaredField);
}
Class superclass = aClass.getSuperclass();
if (superclass != null) {
for (Field sup : getAllFields(superclass)) {
if (!cached.contains(sup)) {
cached.add(sup);
if (!fields.contains(sup)) {
fields.add(sup);
}
}
}
((ArrayList)cached).trimToSize();
cached = fields.toArray(new Field[fields.size()]);
allFields.put(aClass, cached);
}
return cached;
@@ -75,7 +76,7 @@ public class LeakHunter {
private final Field field;
private final BackLink backLink;
private BackLink(Class aClass, Object value, Field field, BackLink backLink) {
private BackLink(@NotNull Class aClass, @NotNull Object value, Field field, BackLink backLink) {
this.aClass = aClass;
this.value = value;
this.field = field;
@@ -84,15 +85,14 @@ public class LeakHunter {
}
private static final Stack<BackLink> toVisit = new Stack<BackLink>();
private static void walkObjects(Processor<BackLink> leakProcessor, Class lookFor) {
private static void walkObjects(@NotNull Class lookFor, @NotNull Processor<BackLink> leakProcessor) {
while (true) {
if (toVisit.isEmpty()) return;
BackLink backLink = toVisit.pop();
Object root = backLink.value;
if (!visited.add(root)) continue;
Class rootClass = backLink.aClass;
List<Field> fields = getAllFields(rootClass);
for (Field field : fields) {
for (Field field : getAllFields(rootClass)) {
String fieldName = field.getName();
if (root instanceof Reference && "referent".equals(fieldName)) continue; // do not follow weak/soft refs
Object value;
@@ -138,7 +138,7 @@ public class LeakHunter {
}
private static final Key<Boolean> IS_NOT_A_LEAK = Key.create("IS_NOT_A_LEAK");
public static void markAsNotALeak(UserDataHolder object) {
public static void markAsNotALeak(@NotNull UserDataHolder object) {
object.putUserData(IS_NOT_A_LEAK, Boolean.TRUE);
}
private static boolean isReallyLeak(Field field, String fieldName, Object value, Class valueClass) {
@@ -167,7 +167,7 @@ public class LeakHunter {
private static final Key<Boolean> REPORTED_LEAKED = Key.create("REPORTED_LEAKED");
@TestOnly
public static void checkProjectLeak(Object root) throws Exception {
public static void checkProjectLeak(@NotNull Object root) throws Exception {
checkLeak(root, ProjectImpl.class);
}
@TestOnly
@@ -175,7 +175,7 @@ public class LeakHunter {
checkLeak(root, suspectClass, null);
}
@TestOnly
public static <T> void checkLeak(@NotNull Object root, @NotNull Class<T> suspectClass, final Processor<T> isReallyLeak) throws AssertionError {
public static <T> void checkLeak(@NotNull Object root, @NotNull Class<T> suspectClass, @Nullable final Processor<T> isReallyLeak) throws AssertionError {
if (SwingUtilities.isEventDispatchThread()) {
UIUtil.dispatchAllInvocationEvents();
}
@@ -187,7 +187,7 @@ public class LeakHunter {
visited.clear();
toVisit.push(new BackLink(root.getClass(), root, null,null));
try {
walkObjects(new Processor<BackLink>() {
walkObjects(suspectClass, new Processor<BackLink>() {
@Override
public boolean process(BackLink backLink) {
UserDataHolder leaked = (UserDataHolder)backLink.value;
@@ -212,7 +212,7 @@ public class LeakHunter {
}
return true;
}
}, suspectClass);
});
}
finally {
visited.clear();