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IDEA-311645 Interned strings in the PathElement

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GitOrigin-RevId: 4bc245050c9d32a1363fc1e3bc99b2da646aeabb
This commit is contained in:
Alexandr Evstigneev
2023-02-02 22:43:49 +00:00
committed by intellij-monorepo-bot
parent d3c305e2a9
commit 1a46db7c1d
1 changed files with 28 additions and 7 deletions
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platform/platform-api/src/com/intellij/ide/util/treeView/TreeState.java
+28 -7
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@@ -14,6 +14,7 @@ import com.intellij.ui.tree.TreeVisitor;
import com.intellij.util.ExceptionUtil;
import com.intellij.util.SmartList;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.containers.Interner;
import com.intellij.util.ui.tree.TreeUtil;
import com.intellij.util.xmlb.XmlSerializer;
import com.intellij.util.xmlb.annotations.Attribute;
@@ -44,6 +45,8 @@ import java.util.function.Consumer;
* @see #applyTo(JTree, Object)
*/
public final class TreeState implements JDOMExternalizable {
private static final Interner<String> INTERNER = Interner.createStringInterner();
private static final Logger LOG = Logger.getInstance(TreeState.class);
public static final Key<WeakReference<ActionCallback>> CALLBACK = Key.create("Callback");
@@ -57,10 +60,8 @@ public final class TreeState implements JDOMExternalizable {
@Tag("item")
static final class PathElement {
@Attribute("name")
public String id;
@Attribute("type")
public String type;
String id;
String type;
transient Object userObject;
transient final int index;
@@ -70,11 +71,11 @@ public final class TreeState implements JDOMExternalizable {
}
PathElement(String itemId, String itemType, int itemIndex, Object userObject) {
id = itemId;
type = itemType;
setId(itemId);
setType(itemType);
index = itemIndex;
this.userObject = userObject;
this.userObject = userObject instanceof String stringObject ? INTERNER.intern(stringObject) : userObject;
}
@Override
@@ -94,6 +95,26 @@ public final class TreeState implements JDOMExternalizable {
return Objects.equals(id, calcId(userObject)) &&
Objects.equals(type, calcType(userObject)) ? Match.ID_TYPE : null;
}
@Attribute("name")
public void setId(String id) {
this.id = id == null ? null : INTERNER.intern(id);
}
@Attribute("name")
public String getId() {
return id;
}
@Attribute("type")
public void setType(String type) {
this.type = type == null ? null : INTERNER.intern(type);
}
@Attribute("type")
public String getType() {
return type;
}
}
@XCollection(style = XCollection.Style.v2)