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Diffstat (limited to 'test-runner/src/android/test/SimpleCache.java')
-rw-r--r-- | test-runner/src/android/test/SimpleCache.java | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test-runner/src/android/test/SimpleCache.java b/test-runner/src/android/test/SimpleCache.java new file mode 100644 index 0000000..44424ec --- /dev/null +++ b/test-runner/src/android/test/SimpleCache.java @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * 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 android.test; + +import java.util.HashMap; +import java.util.Map; + +abstract class SimpleCache<K, V> { + private Map<K, V> map = new HashMap<K, V>(); + + protected abstract V load(K key); + + final V get(K key) { + if (map.containsKey(key)) { + return map.get(key); + } + V value = load(key); + map.put(key, value); + return value; + } +} |