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Diffstat (limited to 'framework/src/onos/utils/misc/src/main/java/org/onlab/util/DefaultHashMap.java')
-rw-r--r-- | framework/src/onos/utils/misc/src/main/java/org/onlab/util/DefaultHashMap.java | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/framework/src/onos/utils/misc/src/main/java/org/onlab/util/DefaultHashMap.java b/framework/src/onos/utils/misc/src/main/java/org/onlab/util/DefaultHashMap.java deleted file mode 100644 index d6ddbd56..00000000 --- a/framework/src/onos/utils/misc/src/main/java/org/onlab/util/DefaultHashMap.java +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright 2015 Open Networking Laboratory - * - * 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 org.onlab.util; - -import java.util.HashMap; - -/** - * HashMap that returns a default value for unmapped keys. - */ -public final class DefaultHashMap<K, V> extends HashMap<K, V> { - - /** Default value to return when no key binding exists. */ - protected final V defaultValue; - - /** - * Constructs an empty map with the given default value. - * - * @param defaultValue the default value - */ - public DefaultHashMap(V defaultValue) { - this.defaultValue = defaultValue; - } - - @Override - public V get(Object k) { - return containsKey(k) ? super.get(k) : defaultValue; - } -}
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