}
    }

    public abstract String getType();

    public abstract PagingList<T> selectList(int offset, int size);

    public abstract OptionalEntity<T> get(long id);

    public abstract void insert(T item);

    public abstract void update(T item);

    public abstract void delete(T item);

    public static class PagingList<E> implements List<E> {
        private final List<E> parent;

import javax.annotation.Resource;

import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.pager.ProtwordsPager;
import org.codelibs.fess.dict.DictionaryFile.PagingList;
import org.codelibs.fess.dict.DictionaryManager;
import org.codelibs.fess.dict.protwords.ProtwordsFile;
import org.codelibs.fess.dict.protwords.ProtwordsItem;
import org.codelibs.fess.mylasta.direction.FessConfig;

import javax.annotation.Resource;

import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.pager.StopwordsPager;
import org.codelibs.fess.dict.DictionaryFile.PagingList;
import org.codelibs.fess.dict.DictionaryManager;
import org.codelibs.fess.dict.stopwords.StopwordsFile;
import org.codelibs.fess.dict.stopwords.StopwordsItem;
import org.codelibs.fess.mylasta.direction.FessConfig;

        }
        return OptionalEntity.empty();
    }

    @Override
    public synchronized PagingList<KuromojiItem> selectList(final int offset, final int size) {
        if (kuromojiItemList == null) {
            reload(null);
        }

        if (offset >= kuromojiItemList.size() || offset < 0) {
            return new PagingList<>(Collections.<KuromojiItem> emptyList(), offset, size, kuromojiItemList.size());
        }

        }
        return OptionalEntity.empty();
    }

    @Override
    public synchronized PagingList<StopwordsItem> selectList(final int offset, final int size) {
        if (stopwordsItemList == null) {
            reload(null);
        }

        if (offset >= stopwordsItemList.size() || offset < 0) {
            return new PagingList<>(Collections.<StopwordsItem> emptyList(), offset, size, stopwordsItemList.size());
        }

        }
        return OptionalEntity.empty();
    }

    @Override
    public synchronized PagingList<CharMappingItem> selectList(final int offset, final int size) {
        if (mappingItemList == null) {
            reload(null);
        }

        if (offset >= mappingItemList.size() || offset < 0) {
            return new PagingList<>(Collections.<CharMappingItem> emptyList(), offset, size, mappingItemList.size());
        }