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SirixDB is a hybrid on-disk and in-memory document oriented, versioned database system. It has a lightweight buffer manager, stores everything in a huge persistent and durable tree and allows efficient reconstruction of every revision. Furthermore, SirixDB implements change tracking, diffing and supports time travel queries.

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package io.sirix.index.cas.xml;

import io.sirix.access.DatabaseType;
import io.sirix.api.PageTrx;
import io.sirix.api.xml.XmlNodeReadOnlyTrx;
import io.sirix.index.IndexDef;
import io.sirix.index.cas.CASIndexBuilderFactory;
import io.sirix.index.cas.CASIndexListenerFactory;
import io.sirix.index.path.summary.PathSummaryReader;

public final class XmlCASIndexImpl implements XmlCASIndex {

  private final CASIndexBuilderFactory casIndexBuilderFactory;

  private final CASIndexListenerFactory casIndexListenerFactory;

  public XmlCASIndexImpl() {
    casIndexBuilderFactory = new CASIndexBuilderFactory(DatabaseType.XML);
    casIndexListenerFactory = new CASIndexListenerFactory(DatabaseType.XML);
  }

  @Override
  public XmlCASIndexBuilder createBuilder(XmlNodeReadOnlyTrx rtx,
      PageTrx pageTrx, PathSummaryReader pathSummaryReader,
      IndexDef indexDef) {
    final var indexBuilderDelegate = casIndexBuilderFactory.create(pageTrx, pathSummaryReader, indexDef);
    return new XmlCASIndexBuilder(indexBuilderDelegate, rtx);
  }

  @Override
  public XmlCASIndexListener createListener(PageTrx pageTrx,
      PathSummaryReader pathSummaryReader, IndexDef indexDef) {
    final var indexListenerDelegate = casIndexListenerFactory.create(pageTrx, pathSummaryReader, indexDef);
    return new XmlCASIndexListener(indexListenerDelegate);
  }
}