/**
* Update the property so the value is current.
*
* @param pm PropertyMaps used for substitution when replacing variables
*/
public void update(PropertyMaps pm) {
P op;
if (_attributes.get(_op1Name) == null) {
_value = "(" + _name + " Error...)";
return;
} else {
try {
op = _parse.value(_attributes.get(_op1Name));
} catch (Exception e) {
_value = "(" + _name + " Error...)";
return;
}
}
_value = _format.value(_op.value(op));
}
/**
* Apply the given command to the specified region to change it.
*
* @param region the region to find and change
* @param cmd command that mutates the region.
*/
public void changeRegion(final R region, Lambda<R, Object> cmd) {
cmd.value(region);
// notify
_lock.startRead();
try {
for (RegionManagerListener<R> l : _listeners) {
l.regionChanged(region);
}
} finally {
_lock.endRead();
}
}