01: /*
02: * Copyright 2006, 2007 Odysseus Software GmbH
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package de.odysseus.el.tree;
17:
18: /**
19: * Function node interface.
20: *
21: * @author Christoph Beck
22: */
23: public interface FunctionNode extends Node {
24: /**
25: * Get the full function name
26: */
27: public String getName();
28:
29: /**
30: * Get the unique index of this identifier in the expression (e.g. preorder index)
31: */
32: public int getIndex();
33:
34: /**
35: * Get the number of parameters for this function
36: */
37: public int getParamCount();
38: }
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