@Override
protected void onKeyAttributeValue(String attributeName,
AttributeValue keyAttributeValue) {
/* Treat key values as common attribute value updates. */
getAttributeValueUpdates().put(attributeName,
new AttributeValueUpdate().withValue(keyAttributeValue)
.withAction("PUT"));
}
@Override
protected void onNullNonKeyAttribute(String attributeName) {
/* When doing a force put, we can safely ignore the null-valued attributes. */
return;
}
@Override
protected void executeLowLevelRequest(boolean onlyKeyAttributeSpecified) {
/* Send a putItem request */
db.putItem(applyUserAgent(new PutItemRequest().withTableName(getTableName())
.withItem(transformAttributes(this.clazz, convertToItem(getAttributeValueUpdates())))
.withExpected(getExpectedAttributeValues())));
}
};
} else {
saveObjectHandler = this.new SaveObjectHandler(clazz, object,
tableName, config.getSaveBehavior()) {
@Override
protected void onKeyAttributeValue(String attributeName,
AttributeValue keyAttributeValue) {
/* Put it in the key collection which is later used in the updateItem request. */
getKeyAttributeValues().put(attributeName, keyAttributeValue);
}
@Override
protected void onNullNonKeyAttribute(String attributeName) {
/*
* If UPDATE_SKIP_NULL_ATTRIBUTES is configured, we don't
* delete null value attributes.
*/
if (getLocalSaveBehavior() == SaveBehavior.UPDATE_SKIP_NULL_ATTRIBUTES) {
return;
}
else {
/* Delete attributes that are set as null in the object. */
getAttributeValueUpdates()
.put(attributeName,
new AttributeValueUpdate()
.withAction("DELETE"));
}
}
@Override