/**
* Gets the property object for the specified type, which contains many useful methods.
*
* @param type the field type to get the chronology for
* @return the property object
* @throws IllegalArgumentException if the field is null or unsupported
* @since 1.2
*/
public Property property(DateTimeFieldType type) {
if (type == null) {
throw new IllegalArgumentException("The DateTimeFieldType must not be null");
}
DateTimeField field = type.getField(getChronology());
if (field.isSupported() == false) {
throw new IllegalArgumentException("Field '" + type + "' is not supported");
}
return new Property(this, field);
}
/**
* Sets the value of one of the fields of the instant, such as hourOfDay.
*
* @param type a field type, usually obtained from DateTimeFieldType, not null
* @param value the value to set the field to
* @throws IllegalArgumentException if the value is null or invalid
*/
public void set(DateTimeFieldType type, int value) {
if (type == null) {
throw new IllegalArgumentException("Field must not be null");
}
setMillis(type.getField(getChronology()).set(getMillis(), value));
}
/** Reads the property from a safe serialization format. */
private void readObject(ObjectInputStream oos) throws IOException, ClassNotFoundException {
iInstant = (MutableDateTime) oos.readObject();
DateTimeFieldType type = (DateTimeFieldType) oos.readObject();
iField = type.getField(iInstant.getChronology());
}