From 256e07bed4d9dcd41b9ac66d2297b3ec8fd9ec08 Mon Sep 17 00:00:00 2001
From: Vladimir Krivosheev <vladimir.krivosheev@jetbrains.com>
Date: Fri, 30 Aug 2013 12:22:52 +0200
Subject: [PATCH] move ObsolescentAsyncResults to xdebugger

---
 .../xdebugger/ObsolescentAsyncResults.java    | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 platform/xdebugger-api/src/com/intellij/xdebugger/ObsolescentAsyncResults.java

diff --git a/platform/xdebugger-api/src/com/intellij/xdebugger/ObsolescentAsyncResults.java b/platform/xdebugger-api/src/com/intellij/xdebugger/ObsolescentAsyncResults.java
new file mode 100644
index 000000000000..452f95f646ba
--- /dev/null
+++ b/platform/xdebugger-api/src/com/intellij/xdebugger/ObsolescentAsyncResults.java
@@ -0,0 +1,38 @@
+package com.intellij.xdebugger;
+
+import com.intellij.openapi.util.AsyncResult;
+import com.intellij.util.Consumer;
+import com.intellij.util.PairConsumer;
+import org.jetbrains.annotations.NotNull;
+
+public final class ObsolescentAsyncResults {
+  @NotNull
+  public static <T> AsyncResult<T> consume(@NotNull final AsyncResult<T> result,
+                                           @NotNull final Obsolescent obsolescent,
+                                           @NotNull final Consumer<T> consumer) {
+    result.doWhenDone(new Runnable() {
+      @Override
+      public void run() {
+        if (!obsolescent.isObsolete()) {
+          consumer.consume(result.getResult());
+        }
+      }
+    });
+    return result;
+  }
+
+  @NotNull
+  public static <O extends Obsolescent, T> AsyncResult<T> consume(@NotNull final AsyncResult<T> result,
+                                                                  @NotNull final O obsolescent,
+                                                                  @NotNull final PairConsumer<T, O> consumer) {
+    result.doWhenDone(new Runnable() {
+      @Override
+      public void run() {
+        if (!obsolescent.isObsolete()) {
+          consumer.consume(result.getResult(), obsolescent);
+        }
+      }
+    });
+    return result;
+  }
+}
\ No newline at end of file