modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/wal/serializer/RecordSerializerFactory.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.ignite.internal.processors.cache.persistence.wal.serializer;

import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.internal.pagemem.wal.WALPointer;
import org.apache.ignite.internal.pagemem.wal.record.FilteredRecord;
import org.apache.ignite.internal.pagemem.wal.record.MarshalledRecord;
import org.apache.ignite.internal.pagemem.wal.record.WALRecord;
import org.apache.ignite.lang.IgniteBiPredicate;

/**
 * Factory for creating {@link RecordSerializer}.
 */
public interface RecordSerializerFactory {
    /**
     * Factory method for creation {@link RecordSerializer}.
     *
     * @param ver Serializer version.
     * @return record serializer.
     */
    public RecordSerializer createSerializer(int ver) throws IgniteCheckedException;

    /**
     * TODO: This flag was added under IGNITE-6029, but still unused. Should be either handled or removed.
     *
     * @param writePointer Write pointer flag.
     */
    public RecordSerializerFactory writePointer(boolean writePointer);

    /**
     * Specifies deserialization filter. Created serializer will read bulk {@link FilteredRecord} instead of actual
     * record if record type/pointer doesn't satisfy filter.
     *
     * @param readTypeFilter Read type filter.
     */
    public RecordSerializerFactory recordDeserializeFilter(IgniteBiPredicate<WALRecord.RecordType, WALPointer> readTypeFilter);

    /**
     * If marshalledMode is on, created serializer will read {@link MarshalledRecord} with raw binary data instead of
     * actual record.
     * Useful for copying binary data from WAL.
     *
     * @param marshalledMode Marshalled mode.
     */
    public RecordSerializerFactory marshalledMode(boolean marshalledMode);

    /**
     * If skipPositionCheck is true, created serializer won't check that actual position of record in file is equal to
     * position in saved record's WALPointer.
     * Must be true if we are reading from compacted WAL segment.
     *
     * @param skipPositionCheck Skip position check.
     */
    public RecordSerializerFactory skipPositionCheck(boolean skipPositionCheck);
}