org.apache.lucene.codecs.FieldInfosFormat.java Source code

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Here is the source code for org.apache.lucene.codecs.FieldInfosFormat.java

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/*
 * 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.lucene.codecs;

import java.io.IOException;

import org.apache.lucene.index.FieldInfos; // javadocs
import org.apache.lucene.index.SegmentInfo;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.IOContext;

/**
 * Encodes/decodes {@link FieldInfos}
 * @lucene.experimental
 */
public abstract class FieldInfosFormat {
    /** Sole constructor. (For invocation by subclass 
     *  constructors, typically implicit.) */
    protected FieldInfosFormat() {
    }

    /** Read the {@link FieldInfos} previously written with {@link #write}. */
    public abstract FieldInfos read(Directory directory, SegmentInfo segmentInfo, String segmentSuffix,
            IOContext iocontext) throws IOException;

    /** Writes the provided {@link FieldInfos} to the
     *  directory. */
    public abstract void write(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, FieldInfos infos,
            IOContext context) throws IOException;
}