/**
* Parses a rule from the given column. Used by the Tree class when scanning a row for rules.
*
* @param column The column to parse
* @return A valid TreeRule object if parsed successfully
* @throws IllegalArgumentException if the column was empty
* @throws JSONException if the object could not be serialized
*/
public static TreeRule parseFromStorage(final KeyValue column) {
if (column.value() == null) {
throw new IllegalArgumentException("Tree rule column value was null");
}
final TreeRule rule = JSON.parseToObject(column.value(), TreeRule.class);
rule.initializeChangedMap();
return rule;
}
/**
* Copy constructor that creates a completely independent copy of the original object
*
* @param original The original object to copy from
* @throws PatternSyntaxException if the regex is invalid
*/
public TreeRule(final TreeRule original) {
custom_field = original.custom_field;
description = original.description;
display_format = original.display_format;
field = original.field;
level = original.level;
notes = original.notes;
order = original.order;
regex_group_idx = original.regex_group_idx;
separator = original.separator;
tree_id = original.tree_id;
type = original.type;
setRegex(original.regex);
initializeChangedMap();
}
/**
* Constructor initializes the tree ID
*
* @param tree_id The tree this rule belongs to
*/
public TreeRule(final int tree_id) {
this.tree_id = tree_id;
initializeChangedMap();
}
/** Default constructor necessary for de/serialization */
public TreeRule() {
initializeChangedMap();
}