/**
* Returns a string representation of the object using a prefix This can be used as part of a
* facility to output a MetaData file.
*
* @param prefix prefix string
* @param indent indent string
* @return a string representation of the object.
*/
public String toString(String prefix, String indent) {
// Field needs outputting so generate metadata
StringBuilder sb = new StringBuilder();
sb.append(prefix)
.append(
"<version strategy=\""
+ versionStrategy.toString()
+ "\""
+ (indexed != null ? (" indexed=\"" + indexed.toString() + "\"") : ""));
if (columnName != null && columnMetaData == null) {
sb.append(" column=\"" + columnName + "\"");
}
sb.append(">\n");
// Column MetaData
if (columnMetaData != null) {
sb.append(columnMetaData.toString(prefix + indent, indent));
}
// Add index
if (indexMetaData != null) {
sb.append(indexMetaData.toString(prefix + indent, indent));
}
// Add extensions
sb.append(super.toString(prefix + indent, indent));
sb.append(prefix).append("</version>\n");
return sb.toString();
}
/**
* Initialisation method. This should be called AFTER using the populate method if you are going
* to use populate. It creates the internal convenience arrays etc needed for normal operation.
*/
public void initialise(ClassLoaderResolver clr, MetaDataManager mmgr) {
if (hasExtension("field-name")) {
// User has provided extension "field-name" meaning that we store the version in the column
// for the specified field (like in JPA)
String val = getValueForExtension("field-name");
if (!StringUtils.isWhitespace(val)) {
this.fieldName = val;
this.columnName = null;
}
}
if (fieldName == null) {
// Cater for user specifying column name, or column
if (columnMetaData == null && columnName != null) {
columnMetaData = new ColumnMetaData();
columnMetaData.setName(columnName);
columnMetaData.parent = this;
}
// Interpret the "indexed" value to create our IndexMetaData where it wasn't specified that
// way
if (indexMetaData == null
&& columnMetaData != null
&& indexed != null
&& indexed != IndexedValue.FALSE) {
indexMetaData = new IndexMetaData();
indexMetaData.setUnique(indexed == IndexedValue.UNIQUE);
indexMetaData.addColumn(columnMetaData.getName());
indexMetaData.parent = this;
}
} else {
if (getParent() instanceof AbstractClassMetaData) {
AbstractMemberMetaData vermmd =
((AbstractClassMetaData) getParent()).getMetaDataForMember(fieldName);
if (vermmd != null && java.util.Date.class.isAssignableFrom(vermmd.getType())) {
NucleusLogger.GENERAL.debug(
"Setting version-strategy of field "
+ vermmd.getFullFieldName()
+ " to DATE_TIME since is Date-based");
versionStrategy = VersionStrategy.DATE_TIME;
}
}
}
}
