/**
* Sets the value to be inserted in the given table column - the column references the given
* {@link InsertField} and thus must have the same value as the referenced column.
*
* <p>In complex + erroneous mappings (or feature instances), it may happen that different
* property values (mapped to the same column) imply different values. This is checked for and in
* case an {@link TransactionException} is thrown.
*
* @param column
* @param referencedField
* @throws TransactionException if the value for the column clashes
*/
public void linkColumn(String column, InsertField referencedField) throws TransactionException {
if (referencedField.getValue() == null) {
LOG.logError("linkColumn (): referencedField is null");
throw new TransactionException("linkColumn (): referenced field is null!");
}
InsertField presentField = this.columnMap.get(column);
if (presentField != null
&& (!presentField.getValue().toString().equals(referencedField.getValue().toString()))) {
Object[] params =
new Object[] {
column,
this.table,
presentField.getValue().toString(),
referencedField.getValue().toString()
};
String msg = Messages.getMessage("DATASTORE_AMBIGOUS_COLUMN_VALUES", params);
throw new TransactionException(msg);
}
InsertField field = presentField;
if (presentField != null) {
presentField.relinkField(referencedField);
} else {
field = new InsertField(this, column, referencedField);
this.columnMap.put(column, field);
}
referencedField.addReferencingField(field);
}
/**
* Sets the value to be inserted in the given table column.
*
* <p>In complex + erroneous mappings (or feature instances), it may happen that different
* property values (mapped to the same column) imply different values. This is checked for and in
* case an {@link TransactionException} is thrown.
*
* @param column
* @param value
* @param sqlType
* @param isPK
* @return column + value to be set
* @throws TransactionException if the value for the column clashes
*/
public InsertField setColumn(String column, Object value, int sqlType, boolean isPK)
throws TransactionException {
InsertField field = new InsertField(this, column, sqlType, value, isPK);
InsertField presentField = columnMap.get(column);
if (presentField != null && (!presentField.getValue().toString().equals(value.toString()))) {
Object[] params =
new Object[] {column, this.table, presentField.getValue().toString(), value.toString()};
String msg = Messages.getMessage("DATASTORE_AMBIGOUS_COLUMN_VALUES", params);
throw new TransactionException(msg);
}
if (presentField == null) {
this.columnMap.put(column, field);
}
// TODO type check
return field;
}
