// JAVADOC COMMENT ELIDED
public void removeValue(int field, int index) {
PIMField pimField = getField(field, false, true);
if (pimField == null) {
throw new IndexOutOfBoundsException("Empty field: " + field);
}
int currentValues = pimField.getValueCount();
if (index < 0 || index >= currentValues) {
throw new IndexOutOfBoundsException(
"0 <= index < " + currentValues + ", " + index + " not in range");
}
checkReadOnlyFields(field);
pimField.removeValue(index);
currentValues--;
if (currentValues == 0) {
removeField(field);
} else if (currentValues == 1) {
// downgrade field
Object value = pimField.getValue(0);
int attributes = pimField.getAttributes(0);
pimField = new ScalarPIMField();
pimField.addValue(attributes, value);
putField(field, pimField);
}
modified = true;
}
/**
* Adds a value to a field.
*
* @param field identifier of field
* @param attributes field properties
* @param value field to update
* @param force if <code>true</code> create the value
* @throws FieldFullException if no more values can be added to the field
*/
private void addValue(int field, int attributes, Object value, boolean force) {
checkType(field, value);
PIMField pimField = getField(field, true, true);
int maxValues = pimHandler.getMaximumValues(pimListHandle, field);
int currentValues = pimField.getValueCount();
if (maxValues != -1 && currentValues >= maxValues) {
throw new FieldFullException("Can only store " + maxValues + " in field", field);
}
if (!force) {
checkReadOnlyFields(field);
}
if (value instanceof Integer) {
checkIntValue(field, ((Integer) value).intValue());
}
if (pimField.isScalar()) {
// upgrade PIM field
if (currentValues == 0) {
pimField = new ScalarPIMField();
putField(field, pimField);
} else {
Object value0 = pimField.getValue(0);
int attributes0 = pimField.getAttributes(0);
pimField = new VectorPIMField();
pimField.addValue(attributes0, value0);
putField(field, pimField);
}
}
attributes = filterAttributes(field, attributes);
pimField.addValue(attributes, value);
modified = true;
}