/**
* Print the user profiles and actions for all users with the provided last name
*
* <p>This method demonstrates how to open a scanner with a start key. It's using the composite
* dao, so the records it returns will be a composite of both the profile model and actions model.
*
* @param lastName The last name of users to scan.
*/
public void printUserProfileActionsForLastName(String lastName) {
// Create a partial key that will allow us to start the scanner from the
// first user record that has last name equal to the one provided.
PartitionKey startKey = userProfileActionsDao.getPartitionStrategy().partitionKey("lastName");
// Get the scanner with the start key. Null for stopKey in the getScanner
// method indicates that the scanner will scan to the end of the table. Our
// loop will break out when it encounters a record without the last name.
EntityScanner<UserProfileActionsModel> scanner =
userProfileActionsDao.getScanner(startKey, null);
scanner.open();
try {
// scan until we find a last name not equal to the one provided
for (UserProfileActionsModel entity : scanner) {
if (!entity.getUserProfileModel().getLastName().equals(lastName)) {
// last name of row different, break out of the scan.
break;
}
System.out.println(entity.toString());
}
} finally {
// scanners need to be closed.
scanner.close();
}
}
/**
* Print all user profiles.
*
* <p>This method demonstrates how to open a scanner that will scan the entire table. It has no
* start or stop keys specified.
*/
public void printUserProfies() {
EntityScanner<UserProfileModel> scanner = userProfileDao.getScanner();
scanner.open();
try {
for (UserProfileModel entity : scanner) {
System.out.println(entity.toString());
}
} finally {
// scanners need to be closed.
scanner.close();
}
}