Initial commit of OSGi Shell contribution. (FELIX-946)
git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@783826 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/gogo/src/org/osgi/service/command/Function.java b/gogo/src/org/osgi/service/command/Function.java
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+++ b/gogo/src/org/osgi/service/command/Function.java
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+/*
+ * 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.
+ */
+package org.osgi.service.command;
+
+import java.util.*;
+
+/**
+ * A Function is a a block of code that can be executed with a set of arguments,
+ * it returns the result object of executing the script.
+ */
+public interface Function {
+ /**
+ * Execute this function and return the result.
+ *
+ * @return the result from the execution.
+ *
+ * @throws Exception
+ * if anything goes terribly wrong
+ */
+ Object execute(CommandSession session, List<Object> arguments)
+ throws Exception;
+}