Examples with Person org.apache.ignite.examples.model.Person used on opensource projects

Example 11 with Person

use of org.apache.ignite.examples.model.Person in project ignite by apache.

the class SpringDataExample method findPersons.

/**
 * Gets a list of Persons using standard read operations.
 */
private static void findPersons() {
    // Getting Person with specific ID.
    Person person = repo.findOne(2L);
    System.out.println("\n>>> Found Person [id=" + 2L + ", val=" + person + "]");
    // Getting a list of Persons.
    ArrayList<Long> ids = new ArrayList<>();
    for (long i = 0; i < 5; i++) ids.add(i);
    Iterator<Person> persons = repo.findAll(ids).iterator();
    System.out.println("\n>>> Persons list for specific ids: ");
    while (persons.hasNext()) System.out.println("   >>>   " + persons.next());
}

Example 12 with Person

use of org.apache.ignite.examples.model.Person in project ignite by apache.

the class SpringDataExample method populateRepository.

/**
 * Fills the repository in with sample data.
 */
private static void populateRepository() {
    TreeMap<Long, Person> persons = new TreeMap<>();
    persons.put(1L, new Person(1L, 2000L, "John", "Smith", 15000, "Worked for Apple"));
    persons.put(2L, new Person(2L, 2000L, "Brad", "Pitt", 16000, "Worked for Oracle"));
    persons.put(3L, new Person(3L, 1000L, "Mark", "Tomson", 10000, "Worked for Sun"));
    persons.put(4L, new Person(4L, 2000L, "Erick", "Smith", 13000, "Worked for Apple"));
    persons.put(5L, new Person(5L, 1000L, "John", "Rozenberg", 25000, "Worked for RedHat"));
    persons.put(6L, new Person(6L, 2000L, "Denis", "Won", 35000, "Worked for CBS"));
    persons.put(7L, new Person(7L, 1000L, "Abdula", "Adis", 45000, "Worked for NBC"));
    persons.put(8L, new Person(8L, 2000L, "Roman", "Ive", 15000, "Worked for Sun"));
    // Adding data into the repository.
    repo.save(persons);
    System.out.println("\n>>> Added " + repo.count() + " Persons into the repository.");
}

Example 13 with Person

use of org.apache.ignite.examples.model.Person in project ignite by apache.

the class CacheLoadOnlyStoreExample method main.

/**
 * Executes example.
 *
 * @param args Command line arguments, none required.
 * @throws IgniteException If example execution failed.
 */
public static void main(String[] args) throws IgniteException {
    try (Ignite ignite = Ignition.start("examples/config/example-ignite.xml")) {
        System.out.println();
        System.out.println(">>> CacheLoadOnlyStoreExample started.");
        ProductLoader productLoader = new ProductLoader("examples/src/main/resources/person.csv");
        productLoader.setThreadsCount(2);
        productLoader.setBatchSize(10);
        productLoader.setBatchQueueSize(1);
        try (IgniteCache<Long, Person> cache = ignite.getOrCreateCache(cacheConfiguration(productLoader))) {
            // load data.
            cache.loadCache(null);
            System.out.println(">>> Loaded number of items: " + cache.size(CachePeekMode.PRIMARY));
            System.out.println(">>> Data for the person by id1: " + cache.get(1L));
        } finally {
            // Distributed cache could be removed from cluster only by #destroyCache() call.
            ignite.destroyCache(CACHE_NAME);
        }
    }
}

Example 14 with Person

use of org.apache.ignite.examples.model.Person in project ignite by apache.

the class CacheQueryExample method sqlFieldsQueryWithJoin.

/**
     * Example for SQL-based fields queries that return only required
     * fields instead of whole key-value pairs.
     */
private static void sqlFieldsQueryWithJoin() {
    IgniteCache<AffinityKey<Long>, Person> cache = Ignition.ignite().cache(COLLOCATED_PERSON_CACHE);
    // Execute query to get names of all employees.
    String sql = "select concat(firstName, ' ', lastName), org.name " + "from Person, \"" + ORG_CACHE + "\".Organization as org " + "where Person.orgId = org.id";
    QueryCursor<List<?>> cursor = cache.query(new SqlFieldsQuery(sql));
    // In this particular case each row will have one element with full name of an employees.
    List<List<?>> res = cursor.getAll();
    // Print persons' names and organizations' names.
    print("Names of all employees and organizations they belong to: ", res);
}

Example 15 with Person

use of org.apache.ignite.examples.model.Person in project ignite by apache.

the class CacheQueryExample method sqlQueryWithDistributedJoin.

/**
     * Example for SQL queries based on all employees working
     * for a specific organization (query uses distributed join).
     */
private static void sqlQueryWithDistributedJoin() {
    IgniteCache<Long, Person> cache = Ignition.ignite().cache(PERSON_CACHE);
    // SQL clause query which joins on 2 types to select people for a specific organization.
    String joinSql = "from Person, \"" + ORG_CACHE + "\".Organization as org " + "where Person.orgId = org.id " + "and lower(org.name) = lower(?)";
    SqlQuery qry = new SqlQuery<Long, Person>(Person.class, joinSql).setArgs("ApacheIgnite");
    // Enable distributed joins for query.
    qry.setDistributedJoins(true);
    // Execute queries for find employees for different organizations.
    print("Following people are 'ApacheIgnite' employees (distributed join): ", cache.query(qry).getAll());
    qry.setArgs("Other");
    print("Following people are 'Other' employees (distributed join): ", cache.query(qry).getAll());
}