private void startPdx(Attributes atts) {
    String readSerialized = atts.getValue(READ_SERIALIZED);
    if (readSerialized != null) {
      cache.setPdxReadSerialized(Boolean.parseBoolean(readSerialized));
    }
    String ignoreUnreadFields = atts.getValue(IGNORE_UNREAD_FIELDS);
    if (ignoreUnreadFields != null) {
      cache.setPdxIgnoreUnreadFields(Boolean.parseBoolean(ignoreUnreadFields));
    }
    String persistent = atts.getValue(PERSISTENT);
    if (persistent != null) {
      cache.setPdxPersistent(Boolean.parseBoolean(persistent));
    }
    String diskStoreName = atts.getValue(DISK_STORE_NAME);
    if (diskStoreName != null) {
      cache.setPdxDiskStore(diskStoreName);
    }
  }
Get delegate {@link XmlParser} for the given <code>namespaceUri</code>

@param namespaceUri to find {@link XmlParser} for.
@return {@link XmlParser} if found, otherwise null.
@since GemFire 8.1
geode-core/src/main/java/org/apache/geode/internal/cache/xmlcache/CacheXmlParser.java