How to use

isMetadataIndex

method

in

org.dspace.browse.BrowseIndex

/**
 * @return Returns the number of metadata fields for this index
 */
public int getMetadataCount() {
  if (isMetadataIndex()) {
    return metadata.length;
  }
  return 0;
}

/**
 * @param idx index
 * @return Returns the mdBits.
 */
public String[] getMdBits(int idx) {
  if (isMetadataIndex()) {
    return mdBits[idx];
  }
  return null;
}

/**
 * Populate the internal array containing the bits of metadata, for
 * ease of use later
 */
public void generateMdBits() {
  try {
    if (isMetadataIndex()) {
      mdBits = new String[metadata.length][];
      for (int i = 0; i < metadata.length; i++) {
        mdBits[i] = interpretField(metadata[i], null);
      }
    }
  } catch (IOException e) {
    // it's not obvious what we really ought to do here
    //log.error("caught exception: ", e);
  }
}

/**
 * Get the field for sorting associated with this index.
 *
 * @param isSecondLevel whether second level browse
 * @return sort field
 * @throws BrowseException if browse error
 */
public String getSortField(boolean isSecondLevel) throws BrowseException {
  String focusField;
  if (isMetadataIndex() && !isSecondLevel) {
    focusField = "sort_value";
  } else {
    if (sortOption != null) {
      focusField = "sort_" + sortOption.getNumber();
    } else {
      focusField = "sort_1";  // Use the first sort column
    }
  }
  return focusField;
}

/**
 * Convert the value into an offset into the table for this browse
 *
 * @param value value
 * @return the focus value to use
 * @throws BrowseException if browse error
 */
private int getOffsetForDistinctValue(String value)
  throws BrowseException {
  if (!browseIndex.isMetadataIndex()) {
    throw new IllegalArgumentException("getOffsetForDistinctValue called when not a metadata index");
  }
  // now get the DAO to do the query for us, returning the highest
  // string value in the given column in the given table for the
  // item (I think)
  return dao.doDistinctOffsetQuery("sort_value", value, scope.isAscending());
}

displayType = matcher.group(2);
if (isMetadataIndex()) {
  metadataAll = matcher.group(3);
  datatype = matcher.group(4);

    sb.append(" sort column focus: ").append(focus);
} else if (browseIndex.isMetadataIndex()) {
  sb.append("Listing single column: ").append(browseIndex.getMetadata());
  if (isStartsWith()) {
if (browseIndex.isMetadataIndex() && !isSecondLevel()) {
  sb.append(valueListingString());
} else if (browseIndex.isItemIndex() || isSecondLevel()) {

/**
 * Perform a standard browse, which will return a BrowseInfo
 * object that represents the results for the current page, the
 * total number of results, the range, and information to construct
 * previous and next links on any web page
 *
 * @param bs the scope of the browse
 * @return the results of the browse
 * @throws BrowseException if browse error
 */
public BrowseInfo browse(BrowserScope bs)
  throws BrowseException {
  log.debug(LogManager.getHeader(context, "browse", ""));
  // first, load the browse scope into the object
  this.scope = bs;
  // since we use it so much, get the browse index out of the
  // scope and store as a member
  browseIndex = scope.getBrowseIndex();
  // now make the decision as to how to browse
  if (browseIndex.isMetadataIndex() && !scope.isSecondLevel()) {
    // this is a single value browse type that has not gone to
    // the second level (i.e. authors, not items by a given author)
    return browseByValue(scope);
  } else {
    // this is the full browse type or a browse that has gone to
    // the second level
    return browseByItem(scope);
  }
}

if (bi.isMetadataIndex() && !scope.isSecondLevel())

if (bi.isMetadataIndex()) {

if (bi != null && bi.isMetadataIndex() && scope.isSecondLevel() && scope.getSortBy() <= 0)

if (sortBy <= 0 && browseIndex.isMetadataIndex()) {

if (bix.isMetadataIndex())

if (bix.isMetadataIndex())

if (bix.isMetadataIndex())

if (bix.isMetadataIndex())