protected void set(Fields declarator, Fields selector, Tuple tuple, CoercibleType[] coercions) {
try {
set(declarator.getPos(selector), declarator.getTypes(), tuple, coercions);
} catch (Exception exception) {
throw new TupleException(
"unable to set into: " + declarator.print() + ", using selector: " + selector.print(),
exception);
}
}
/**
* Method get returns a new Tuple populated with only those values whose field names are specified
* in the given selector. The declarator Fields instance declares the fields and positions in the
* current Tuple instance.
*
* @param declarator of type Fields
* @param selector of type Fields
* @return Tuple
*/
public Tuple get(Fields declarator, Fields selector) {
try {
return get(getPos(declarator, selector));
} catch (Exception exception) {
throw new TupleException(
"unable to select from: " + declarator.print() + ", using selector: " + selector.print(),
exception);
}
}
/**
* Method set sets the values in the given selector positions to the values from the given Tuple.
*
* <p>If type information is given, each incoming value from tuple will be coerced from its
* canonical type to the current type as declared in the declarator.
*
* @param declarator of type Fields
* @param selector of type Fields
* @param tuple of type Tuple
*/
public void set(Fields declarator, Fields selector, Tuple tuple) {
try {
set(
declarator.getPos(selector),
declarator.getTypes(),
tuple,
TupleEntry.getCoercions(declarator, tuple));
} catch (Exception exception) {
throw new TupleException(
"unable to set into: " + declarator.print() + ", using selector: " + selector.print(),
exception);
}
}
/**
* Method get returns a new Tuple populated with only those values whose field names are specified
* in the given selector. The declarator Fields instance declares the fields and positions in the
* current Tuple instance.
*
* @param declarator of type Fields
* @param selector of type Fields
* @return Tuple
*/
public Tuple get(Fields declarator, Fields selector) {
if (!declarator.isUnknown() && elements.size() != declarator.size())
throw new TupleException(
"field declaration: " + declarator.print() + ", does not match tuple: " + print());
return get(declarator.getPos(selector, size()));
}