How to use

getSelectorName

method

in

org.apache.jackrabbit.oak.query.ast.SelectorImpl

@Override
public String[] getSelectorNames() {
  String[] list = new String[selectors.size()];
  for (int i = 0; i < list.length; i++) {
    list[i] = selectors.get(i).getSelectorName();
  }
  // reverse names to that for xpath, 
  // the first selector is the same as the node iterator
  Collections.reverse(Arrays.asList(list));
  return list;
}

@Override
public String[] getSelectorNames() {
  String[] list = new String[selectors.size()];
  for (int i = 0; i < list.length; i++) {
    list[i] = selectors.get(i).getSelectorName();
  }
  // reverse names to that for xpath, 
  // the first selector is the same as the node iterator
  Collections.reverse(Arrays.asList(list));
  return list;
}

@Override
public String[] getSelectorNames() {
  String[] list = new String[selectors.size()];
  for (int i = 0; i < list.length; i++) {
    list[i] = selectors.get(i).getSelectorName();
  }
  // reverse names to that for xpath, 
  // the first selector is the same as the node iterator
  Collections.reverse(Arrays.asList(list));
  return list;
}

/**
 * Get the selector name if only one selector exists in the query.
 * If more than one selector exists, an exception is thrown.
 *
 * @return the selector name
 */
private String getOnlySelectorName() throws ParseException {
  if (selectors.size() > 1) {
    throw getSyntaxError("Need to specify the selector name because the query contains more than one selector.");
  }
  return selectors.values().iterator().next().getSelectorName();
}

@Override
public boolean visit(SelectorImpl node) {
  String name = node.getSelectorName();
  if (selectorIndexes.put(name, selectors.size()) != null) {
    throw new IllegalArgumentException("Two selectors with the same name: " + name);
  }
  selectors.add(node);
  node.setQuery(query);
  return true;
}

  @Override
  protected Map<String, Long> getSelectorScanCount() {
    Map<String, Long> selectorReadCounts = Maps.newHashMap();
    for (SelectorImpl selector : selectors) {
      selectorReadCounts.put(selector.getSelectorName(), selector.getScanCount());
    }
    return  selectorReadCounts;
  }
};

/**
 * Get the selector name if only one selector exists in the query.
 * If more than one selector exists, an exception is thrown.
 *
 * @return the selector name
 */
private String getOnlySelectorName() throws ParseException {
  if (selectors.size() > 1) {
    throw getSyntaxError("Need to specify the selector name because the query contains more than one selector.");
  }
  return selectors.values().iterator().next().getSelectorName();
}

  @Override
  protected Map<String, Long> getSelectorScanCount() {
    Map<String, Long> selectorReadCounts = Maps.newHashMap();
    for (SelectorImpl selector : selectors) {
      selectorReadCounts.put(selector.getSelectorName(), selector.getScanCount());
    }
    return  selectorReadCounts;
  }
};

@Override
public boolean visit(SelectorImpl node) {
  String name = node.getSelectorName();
  if (selectorIndexes.put(name, selectors.size()) != null) {
    throw new IllegalArgumentException("Two selectors with the same name: " + name);
  }
  selectors.add(node);
  node.setQuery(query);
  return true;
}

@Override
public boolean visit(SelectorImpl node) {
  String name = node.getSelectorName();
  if (selectorIndexes.put(name, selectors.size()) != null) {
    throw new IllegalArgumentException("Two selectors with the same name: " + name);
  }
  selectors.add(node);
  node.setQuery(query);
  return true;
}

  @Override
  protected Map<String, Long> getSelectorScanCount() {
    Map<String, Long> selectorReadCounts = Maps.newHashMap();
    for (SelectorImpl selector : selectors) {
      selectorReadCounts.put(selector.getSelectorName(), selector.getScanCount());
    }
    return  selectorReadCounts;
  }
};

/**
 * Get the selector name if only one selector exists in the query.
 * If more than one selector exists, an exception is thrown.
 *
 * @return the selector name
 */
private String getOnlySelectorName() throws ParseException {
  if (selectors.size() > 1) {
    throw getSyntaxError("Need to specify the selector name because the query contains more than one selector.");
  }
  return selectors.values().iterator().next().getSelectorName();
}

@Override
public String[] getColumnSelectorNames() {
  ArrayList<String> list = new ArrayList<String>();
  for (ColumnImpl c : query.getColumns()) {
    SelectorImpl selector = c.getSelector();
    String name = selector == null ? null : selector.getSelectorName();
    if (!list.contains(name)) {
      list.add(name);
    }
  }
  return list.toArray(new String[list.size()]);
}

@Override
public String[] getColumnSelectorNames() {
  ArrayList<String> list = new ArrayList<String>();
  for (ColumnImpl c : query.getColumns()) {
    SelectorImpl selector = c.getSelector();
    String name = selector == null ? null : selector.getSelectorName();
    if (!list.contains(name)) {
      list.add(name);
    }
  }
  return list.toArray(new String[list.size()]);
}

@Override
public String[] getColumnSelectorNames() {
  ArrayList<String> list = new ArrayList<String>();
  for (ColumnImpl c : query.getColumns()) {
    SelectorImpl selector = c.getSelector();
    String name = selector == null ? null : selector.getSelectorName();
    if (!list.contains(name)) {
      list.add(name);
    }
  }
  return list.toArray(new String[list.size()]);
}

private void addWildcardColumns(
    Collection<ColumnImpl> columns, SelectorImpl selector) {
  String selectorName = selector.getSelectorName();
  for (String propertyName : selector.getWildcardColumns()) {
    if (namePathMapper != null) {
      propertyName = namePathMapper.getJcrName(propertyName);
    }
    String columnName;
    if (includeSelectorNameInWildcardColumns) {
      columnName = selectorName + "." + propertyName;
    } else {
      columnName = propertyName;
    }
    columns.add(factory.column(selectorName, propertyName, columnName));
  }
  if (columns.isEmpty()) {
    // OAK-1354, inject the selector name
    columns.add(factory
        .column(selectorName, selectorName, selectorName));
  }
}

private void addWildcardColumns(
    Collection<ColumnImpl> columns, SelectorImpl selector) {
  String selectorName = selector.getSelectorName();
  for (String propertyName : selector.getWildcardColumns()) {
    if (namePathMapper != null) {
      propertyName = namePathMapper.getJcrName(propertyName);
    }
    String columnName;
    if (includeSelectorNameInWildcardColumns) {
      columnName = selectorName + "." + propertyName;
    } else {
      columnName = propertyName;
    }
    columns.add(factory.column(selectorName, propertyName, columnName));
  }
  if (columns.isEmpty()) {
    // OAK-1354, inject the selector name
    columns.add(factory
        .column(selectorName, selectorName, selectorName));
  }
}

@Override
public void restrictPushDown(SelectorImpl s) {
  // both properties may not be null
  if (s.equals(selector1)) {
    PropertyExistenceImpl ex = new PropertyExistenceImpl(s.getSelectorName(), property1Name);
    ex.bindSelector(s);
    s.restrictSelector(ex);
  } else if (s.equals(selector2)) {
    PropertyExistenceImpl ex = new PropertyExistenceImpl(s.getSelectorName(), property2Name);
    ex.bindSelector(s);
    s.restrictSelector(ex);
  }
}

@Override
public void restrictPushDown(SelectorImpl s) {
  // both properties may not be null
  if (s.equals(selector1)) {
    PropertyExistenceImpl ex = new PropertyExistenceImpl(s.getSelectorName(), property1Name);
    ex.bindSelector(s);
    s.restrictSelector(ex);
  } else if (s.equals(selector2)) {
    PropertyExistenceImpl ex = new PropertyExistenceImpl(s.getSelectorName(), property2Name);
    ex.bindSelector(s);
    s.restrictSelector(ex);
  }
}

@Override
public void restrictPushDown(SelectorImpl s) {
  // both properties may not be null
  if (s.equals(selector1)) {
    PropertyExistenceImpl ex = new PropertyExistenceImpl(s.getSelectorName(), property1Name);
    ex.bindSelector(s);
    s.restrictSelector(ex);
  } else if (s.equals(selector2)) {
    PropertyExistenceImpl ex = new PropertyExistenceImpl(s.getSelectorName(), property2Name);
    ex.bindSelector(s);
    s.restrictSelector(ex);
  }
}