Examples with HL7QueryLexer org.apache.nifi.hl7.query.antlr.HL7QueryLexer used on opensource projects

Example 1 with HL7QueryLexer

use of org.apache.nifi.hl7.query.antlr.HL7QueryLexer in project nifi by apache.

the class HL7Query method createTokenStream.

private static CommonTokenStream createTokenStream(final String expression) throws HL7QueryParsingException {
    final CharStream input = new ANTLRStringStream(expression);
    final HL7QueryLexer lexer = new HL7QueryLexer(input);
    return new CommonTokenStream(lexer);
}