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- /*
- Copyright (c) 2018 James Ahlborn
-
- 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 com.healthmarketscience.jackcess.expr;
-
- /**
- * A FunctionLookup provides a source for {@link Function} instances used
- * during expression evaluation.
- *
- * @author James Ahlborn
- */
- public interface FunctionLookup
- {
- /**
- * @return the function for the given function name, or {@code null} if none
- * exists. Note that Access function names are treated in a case
- * insensitive manner.
- */
- public Function getFunction(String name);
- }
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