# XReferenceType.java

    /*
     * 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.pdfbox.pdfparser.xref;

    import org.apache.pdfbox.pdfparser.PDFXRefStream;

    /**
     * An instance of this class represents a type for a {@link XReferenceEntry}, as it can be found in a PDF's
     * {@link PDFXRefStream}.
     *
     * @author Christian Appl
     */
    public enum XReferenceType
    {

        FREE(0), NORMAL(1), OBJECT_STREAM_ENTRY(2);

        private final int numericValue;

        /**
         * Represents a type for a {@link XReferenceEntry}, as it can be found in a PDF's {@link PDFXRefStream}.
         *
         * @param numericValue The numeric representation of this type.
         */
        XReferenceType(int numericValue)
        {
            this.numericValue = numericValue;
        }

        /**
         * Returns the numeric representation of this type.
         *
         * @return The numeric representation of this type.
         */
        public int getNumericValue()
        {
            return numericValue;
        }
    }