How to use

ElementJoinColumn

in

org.apache.openjpa.persistence.jdbc

/**
 * Create a new schema column with information from the given annotation.
 */
private static Column newColumn(ElementJoinColumn join) {
  Column col = new Column();
  if (!StringUtils.isEmpty(join.name()))
    col.setName(join.name());
  if (!StringUtils.isEmpty(join.columnDefinition()))
    col.setTypeName(join.columnDefinition());
  if (!StringUtils.isEmpty(join.referencedColumnName()))
    col.setTarget(join.referencedColumnName());
  if (!StringUtils.isEmpty(join.referencedAttributeName()))
    col.setTargetField(join.referencedAttributeName());
  col.setNotNull(!join.nullable());
  col.setFlag (Column.FLAG_UNINSERTABLE, !join.insertable ());
  col.setFlag (Column.FLAG_UNUPDATABLE, !join.updatable ());
  return col;
}

/**
 * Parse @ElementJoinColumn(s).
 */
protected void parseElementJoinColumns(FieldMapping fm,
  ElementJoinColumn... joins) {
  if (joins.length == 0)
    return;
  List<Column> cols = new ArrayList<Column>(joins.length);
  int unique = 0;
  for (int i = 0; i < joins.length; i++) {
    cols.add(newColumn(joins[i]));
    unique |= (joins[i].unique()) ? TRUE : FALSE;
  }
  setColumns(fm, fm.getElementMapping().getValueInfo(), cols, unique);
}

/**
 * Parse @ElementJoinColumn(s).
 */
protected void parseElementJoinColumns(FieldMapping fm,
  ElementJoinColumn... joins) {
  if (joins.length == 0)
    return;
  List<Column> cols = new ArrayList<Column>(joins.length);
  int unique = 0;
  for (int i = 0; i < joins.length; i++) {
    cols.add(newColumn(joins[i], delimit()));
    unique |= (joins[i].unique()) ? TRUE : FALSE;
  }
  setColumns(fm, fm.getElementMapping().getValueInfo(), cols, unique);
}

/**
 * Create a new schema column with information from the given annotation.
 */
private Column newColumn(ElementJoinColumn join, boolean delimit) {
  Column col = new Column();
  if (!StringUtils.isEmpty(join.name()))
    col.setIdentifier(DBIdentifier.newColumn(join.name(), delimit));
  if (!StringUtils.isEmpty(join.columnDefinition()))
    col.setTypeIdentifier(DBIdentifier.newColumnDefinition(join.columnDefinition()));
  if (!StringUtils.isEmpty(join.referencedColumnName()))
    setTargetIdentifier(col, join.referencedColumnName());
  if (!StringUtils.isEmpty(join.referencedAttributeName()))
    col.setTargetField(join.referencedAttributeName());
  col.setNotNull(!join.nullable());
  col.setFlag (Column.FLAG_UNINSERTABLE, !join.insertable ());
  col.setFlag (Column.FLAG_UNUPDATABLE, !join.updatable ());
  return col;
}

/**
 * Parse @ElementJoinColumn(s).
 */
protected void parseElementJoinColumns(FieldMapping fm,
  ElementJoinColumn... joins) {
  if (joins.length == 0)
    return;
  List<Column> cols = new ArrayList<Column>(joins.length);
  int unique = 0;
  for (int i = 0; i < joins.length; i++) {
    cols.add(newColumn(joins[i], delimit()));
    unique |= (joins[i].unique()) ? TRUE : FALSE;
  }
  setColumns(fm, fm.getElementMapping().getValueInfo(), cols, unique);
}

/**
 * Create a new schema column with information from the given annotation.
 */
private Column newColumn(ElementJoinColumn join, boolean delimit) {
  Column col = new Column();
  if (!StringUtil.isEmpty(join.name()))
    col.setIdentifier(DBIdentifier.newColumn(join.name(), delimit));
  if (!StringUtil.isEmpty(join.columnDefinition()))
    col.setTypeIdentifier(DBIdentifier.newColumnDefinition(join.columnDefinition()));
  if (!StringUtil.isEmpty(join.referencedColumnName()))
    setTargetIdentifier(col, join.referencedColumnName());
  if (!StringUtil.isEmpty(join.referencedAttributeName()))
    col.setTargetField(join.referencedAttributeName());
  col.setNotNull(!join.nullable());
  col.setFlag (Column.FLAG_UNINSERTABLE, !join.insertable ());
  col.setFlag (Column.FLAG_UNUPDATABLE, !join.updatable ());
  return col;
}

/**
 * Parse @ElementJoinColumn(s).
 */
protected void parseElementJoinColumns(FieldMapping fm,
  ElementJoinColumn... joins) {
  if (joins.length == 0)
    return;
  List<Column> cols = new ArrayList<Column>(joins.length);
  int unique = 0;
  for (int i = 0; i < joins.length; i++) {
    cols.add(newColumn(joins[i], delimit()));
    unique |= (joins[i].unique()) ? TRUE : FALSE;
  }
  setColumns(fm, fm.getElementMapping().getValueInfo(), cols, unique);
}

/**
 * Create a new schema column with information from the given annotation.
 */
private Column newColumn(ElementJoinColumn join, boolean delimit) {
  Column col = new Column();
  if (!StringUtil.isEmpty(join.name()))
    col.setIdentifier(DBIdentifier.newColumn(join.name(), delimit));
  if (!StringUtil.isEmpty(join.columnDefinition()))
    col.setTypeIdentifier(DBIdentifier.newColumnDefinition(join.columnDefinition()));
  if (!StringUtil.isEmpty(join.referencedColumnName()))
    setTargetIdentifier(col, join.referencedColumnName());
  if (!StringUtil.isEmpty(join.referencedAttributeName()))
    col.setTargetField(join.referencedAttributeName());
  col.setNotNull(!join.nullable());
  col.setFlag (Column.FLAG_UNINSERTABLE, !join.insertable ());
  col.setFlag (Column.FLAG_UNUPDATABLE, !join.updatable ());
  return col;
}