| package edu.uci.ics.asterix.aql.context; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import edu.uci.ics.asterix.om.functions.AsterixFunction; |
| |
| public class FunctionSignatures { |
| private final Map<String, FunctionExpressionMap> functionMap; |
| |
| public FunctionSignatures() { |
| functionMap = new HashMap<String, FunctionExpressionMap>(); |
| } |
| |
| public AsterixFunction get(String name, int arity) { |
| FunctionExpressionMap possibleFD = functionMap.get(name); |
| if (possibleFD == null) { |
| return null; |
| } else { |
| return possibleFD.get(arity); |
| } |
| } |
| |
| public void put(AsterixFunction fd, boolean varargs) { |
| String name = fd.getFunctionName(); |
| FunctionExpressionMap func = functionMap.get(name); |
| if (func == null) { |
| func = new FunctionExpressionMap(varargs); |
| functionMap.put(name, func); |
| } |
| func.put(fd.getArity(), fd); |
| } |
| } |