Pull cacheinvalidations code directory into chromium repo.

third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/ticl/SafeStorage.java

Index: third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/ticl/SafeStorage.java
diff --git a/third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/ticl/SafeStorage.java b/third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/ticl/SafeStorage.java
new file mode 100644
index 0000000000000000000000000000000000000000..55d754a4d6b45d98cb927ee6c7b149f3f6bd29c2
--- /dev/null
+++ b/third_party/cacheinvalidation/src/java/com/google/ipc/invalidation/ticl/SafeStorage.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.ipc.invalidation.ticl;
+
+import static com.google.ipc.invalidation.external.client.SystemResources.Scheduler.NO_DELAY;
+
+import com.google.ipc.invalidation.external.client.SystemResources;
+import com.google.ipc.invalidation.external.client.SystemResources.Scheduler;
+import com.google.ipc.invalidation.external.client.SystemResources.Storage;
+import com.google.ipc.invalidation.external.client.types.Callback;
+import com.google.ipc.invalidation.external.client.types.SimplePair;
+import com.google.ipc.invalidation.external.client.types.Status;
+import com.google.ipc.invalidation.util.NamedRunnable;
+import com.google.ipc.invalidation.util.Preconditions;
+
+/**
+ * An implementation of the Storage resource that schedules the callbacks on the given scheduler
+ * thread.
+ *
+ */
+public class SafeStorage implements Storage {
+
+  /** The delegate to which the calls are forwarded. */
+  private final Storage delegate;
+
+  /** The scheduler on which the callbacks are scheduled. */
+  private Scheduler scheduler;
+
+  SafeStorage(Storage delegate) {
+    this.delegate = Preconditions.checkNotNull(delegate);
+  }
+
+  @Override
+  public void setSystemResources(SystemResources resources) {
+    this.scheduler = resources.getInternalScheduler();
+  }
+
+  @Override
+  public void writeKey(String key, byte[] value, final Callback<Status> done) {
+    delegate.writeKey(key, value, new Callback<Status>() {
+      @Override
+      public void accept(final Status status) {
+        scheduler.schedule(NO_DELAY, new NamedRunnable("SafeStorage.writeKey") {
+          @Override
+          public void run() {
+            done.accept(status);
+          }
+        });
+      }
+    });
+  }
+
+  @Override
+  public void readKey(String key, final Callback<SimplePair<Status, byte[]>> done) {
+    delegate.readKey(key, new Callback<SimplePair<Status, byte[]>>() {
+      @Override
+      public void accept(final SimplePair<Status, byte[]> result) {
+        scheduler.schedule(NO_DELAY, new NamedRunnable("SafeStorage.readKey") {
+          @Override
+          public void run() {
+            done.accept(result);
+          }
+        });
+      }
+    });
+  }
+
+  @Override
+  public void deleteKey(String key, final Callback<Boolean> done) {
+    delegate.deleteKey(key, new Callback<Boolean>() {
+      @Override
+      public void accept(final Boolean success) {
+        scheduler.schedule(NO_DELAY, new NamedRunnable("SafeStorage.deleteKey") {
+          @Override
+          public void run() {
+            done.accept(success);
+          }
+        });
+      }
+    });
+  }
+
+  @Override
+  public void readAllKeys(final Callback<SimplePair<Status, String>> keyCallback) {
+    delegate.readAllKeys(new Callback<SimplePair<Status, String>>() {
+      @Override
+      public void accept(final SimplePair<Status, String> keyResult) {
+        scheduler.schedule(NO_DELAY, new NamedRunnable("SafeStorage.readAllKeys") {
+          @Override
+          public void run() {
+            keyCallback.accept(keyResult);
+          }
+        });
+      }
+    });
+  }
+}