Examples of com.google.sitebricks.persist.Persister

com.google.sitebricks.persist.Persister
Persister Service that manages an entire data store or set of data stores as identified by an annotation. @author dhanji@gmail.com (Dhanji R. Prasanna)

    config2.setPartitionCount(1);
    config2.setMaxConnectionsPerPartition(2);
  }


  private static void createTable(Injector injector, Class<? extends Annotation> selector) {
    Persister persister = injector.getInstance(Key.get(Persister.class, selector));
    persister.call(new Persister.InWork() {
      @Override
      public Object perform(EntityStore es) throws Throwable {
        ((Sql) es.delegate()).execute("create table my_table (id integer, name text not null)");
        return null;
      }
    });


    final AtomicBoolean tableExists = new AtomicBoolean();
    persister.call(new Persister.InWork() {
      @Override
      public Object perform(EntityStore es) throws Throwable {
        tableExists.set(((Sql) es.delegate()).tableExists("my_table"));
        return null;
      }

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    config.setUsername("sa");
    config.setPassword("");
  }


  private static void createTable(Injector injector) {
    Persister persister = injector.getInstance(Persister.class);
    persister.call(new Persister.InWork() {
      @Override
      public Object perform(EntityStore es) throws Throwable {
        ((Sql) es.delegate()).execute("create table my_table (id integer, name text not null)");
        return null;
      }
    });


    final AtomicBoolean tableExists = new AtomicBoolean();
    persister.call(new Persister.InWork() {
      @Override
      public Object perform(EntityStore es) throws Throwable {
        tableExists.set(((Sql) es.delegate()).tableExists("my_table"));
        return null;
      }

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  @Test
  public final void storeAndRetrieveWithoutAop() {
    Injector injector = Guice.createInjector(new SqlModule(config));
    createTable(injector);
    Persister persister = injector
        .getInstance(Persister.class);


    persister.call(new Persister.InWork() {
      @Override
      public Object perform(EntityStore es) throws Throwable {
        ((Sql)es.delegate()).execute("insert into my_table (id, name) values (1, @name)",
            ImmutableMap.<String, Object>of("name", A_NAME));


        return null;
      }
    });


    Object param = persister.call(new Persister.InWork() {
      @Override
      public Object perform(EntityStore es) throws Throwable {
        return ((Sql)es.delegate()).list("select * from my_table").iterator().next().get("name").toString();
      }
    });

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  @Test
  public final void storeAndRemoveWithoutAop() {
    Injector injector = Guice.createInjector(new SqlModule(config));
    createTable(injector);
    Persister persister = injector.getInstance(Persister.class);


    persister.call(new Persister.InWork() {
      @Override
      public Object perform(EntityStore es) throws Throwable {
        ((Sql)es.delegate()).execute("insert into my_table (id, name) values (1, @name)",
            ImmutableMap.<String, Object>of("name", A_NAME));


        return null;
      }
    });


    persister.call(new Persister.InWork() {
      @Override
      public Object perform(EntityStore es) throws Throwable {
        ((Sql)es.delegate()).execute("delete from my_table where name = @name and id = @id",
            ImmutableMap.<String, Object>of(
                "id", 1,
                "name", A_NAME
            ));


        return null;
      }
    });


    Object param = persister.call(new Persister.InWork() {
      @Override
      public Object perform(EntityStore es) throws Throwable {
        return ((Sql)es.delegate()).list("select * from my_table");
      }
    });

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  @Test // No different in Redis to @Work
  public final void storeAndRetrieveInTransaction() {
    Injector injector = Guice.createInjector(new SqlModule(config));
    createTable(injector);
    final Persister persister = injector
        .getInstance(Persister.class);


    Object param = persister.call(new Persister.InWork() {
      @Override
      public Object perform(EntityStore es) throws Throwable {
        persister.call(new Persister.InTransaction() {
          @Override
          public Object perform(EntityStore es) throws Throwable {
            ((Sql)es.delegate()).execute("insert into my_table (id, name) values (1, @name)",
                ImmutableMap.<String, Object>of("name", ANOTHER_NAME));


            return null;
          }
        });


        return persister.call(new Persister.InTransaction() {
          @Override
          public Object perform(EntityStore es) throws Throwable {
            return ((Sql)es.delegate()).list("select * from my_table").iterator().next().get("name").toString();
          }
        });

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Related Classes of com.google.sitebricks.persist.Persister

com.google.sitebricks.persist.sql.SqlMultipleStoreIntegrationTest

com.google.sitebricks.persist.sql.SqlStoreIntegrationTest

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