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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
Node.java | - | - | - | - |
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1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.hivemind.conditional; | |
16 | ||
17 | /** | |
18 | * An AST node in the tree parsed from the conditional expression. Nodes form a binary tree, each | |
19 | * node may have a left and a right sub-node. | |
20 | * | |
21 | * @author Howard M. Lewis Ship | |
22 | * @since 1.1 | |
23 | */ | |
24 | public interface Node | |
25 | { | |
26 | public Node getLeft(); | |
27 | ||
28 | public Node getRight(); | |
29 | ||
30 | /** | |
31 | * Evaluates the nodes using the context to provide access to runtime information. | |
32 | */ | |
33 | public boolean evaluate(EvaluationContext context); | |
34 | } |
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