Init PossibleFound

src/SkyWalking.Abstractions/Dictionary/PossibleFound.cs

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ *
+ */
+
+using System;
+
+namespace SkyWalking.Dictionarys
+{
+    public abstract class PossibleFound
+    {
+        private bool _found;
+        private int _value;
+
+        protected PossibleFound(int value)
+        {
+            _found = true;
+            _value = value;
+        }
+
+        protected PossibleFound()
+        {
+            _found = false;
+        }
+
+        public virtual void InCondition(Action<int> foundCondition, Action notFoundCondition)
+        {
+            if (_found)
+            {
+                foundCondition?.Invoke(_value);
+            }
+            else
+            {
+                notFoundCondition?.Invoke();
+            }
+        }
+
+        public virtual object InCondition(Func<int, object> foundCondition, Func<object> notFoundCondition)
+        {
+            return _found ? foundCondition?.Invoke(_value) : notFoundCondition?.Invoke();
+        }
+    }
+}
\ No newline at end of file

src/SkyWalking.Core/Dictionary/Found.cs

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ *
+ */
+
+using SkyWalking.Dictionarys;
+
+namespace SkyWalking.Dictionary
+{
+    public class Found : PossibleFound
+    {
+        public Found(int value)
+            : base(value)
+        {
+        }
+    }
+}
\ No newline at end of file

src/SkyWalking.Core/Dictionary/NotFound.cs

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ *
+ */
+
+using SkyWalking.Dictionarys;
+
+namespace SkyWalking.Dictionary
+{
+    public class NotFound : PossibleFound
+    {
+        public NotFound()
+            : base()
+        {
+        }
+
+        public static readonly PossibleFound Instance = new NotFound();
+    }
+}
\ No newline at end of file