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ARQ is a SPARQL 1.1 query engine for Apache Jena

There is a newer version: 5.1.0

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.jena.riot.tokens;

import java.util.Iterator ;

import org.apache.jena.atlas.lib.Closeable ;

public interface Tokenizer extends Iterator, Closeable
{
    /** Is there another token? */
    @Override
    public boolean hasNext() ;

    /** Move to next token */
    @Override
    public Token next() ;
    
    /** Peek next token : null for no token. */
    public Token peek() ;
    
    /** End of tokens? */
    public boolean eof() ;

    public long getLine() ;
    public long getColumn() ;
}