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Java BatchStatement類代碼示例

本文整理匯總了Java中com.datastax.driver.core.BatchStatement類的典型用法代碼示例。如果您正苦於以下問題：Java BatchStatement類的具體用法？Java BatchStatement怎麽用？Java BatchStatement使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。


BatchStatement類屬於com.datastax.driver.core包，在下文中一共展示了BatchStatement類的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: untilApplied

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
public static boolean untilApplied(Session session, BatchStatement.Type type, Consumer<BatchStatement> transaction) {
    for (int i = 1; i <= MAX_RETRY; i ++) {
        BatchStatement batchStatement = new BatchStatement(type);
        transaction.accept(batchStatement);
        if (batchStatement.size() == 0) return false;
        boolean applied;
        if (batchStatement.size() > 1) {
            applied = session.execute(batchStatement).wasApplied();
        } else {
            Statement statement = Iterables.getOnlyElement(batchStatement.getStatements());
            applied = session.execute(statement).wasApplied();
        }
        if (applied) return true;
        log.warn("Attempt {}/{} failed executing {}", i, MAX_RETRY, batchStatement);
        try {
            Thread.sleep(100 * i);
        } catch (InterruptedException e) {
            throw new AttemptsFailedException(e);
        }
    }
    throw new AttemptsFailedException();
}
開發者ID:papyrusglobal，項目名稱:state-channels，代碼行數:23，代碼來源:CassandraUtil.java

示例2: tuneStatementExecutionOptions

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
/**
 * Tunes CQL statement execution options (consistency level, fetch option and etc.).
 *
 * @param statement Statement.
 * @return Modified statement.
 */
private Statement tuneStatementExecutionOptions(Statement statement) {
    String qry = "";
    if (statement instanceof BoundStatement) {
        qry = ((BoundStatement)statement).preparedStatement().getQueryString().trim().toLowerCase();
    }
    else if (statement instanceof PreparedStatement) {
        qry = ((PreparedStatement)statement).getQueryString().trim().toLowerCase();
    }
    boolean readStatement = qry.startsWith("select");
    boolean writeStatement = statement instanceof Batch || statement instanceof BatchStatement ||
        qry.startsWith("insert") || qry.startsWith("delete") || qry.startsWith("update");
    if (readStatement && readConsistency != null) {
        statement.setConsistencyLevel(readConsistency);
    }
    if (writeStatement && writeConsistency != null) {
        statement.setConsistencyLevel(writeConsistency);
    }
    if (fetchSize != null) {
        statement.setFetchSize(fetchSize);
    }
    return statement;
}
開發者ID:epam，項目名稱:Lagerta，代碼行數:29，代碼來源:CassandraSessionImpl.java

示例3: main

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
public static void main(String[] args) {

		Session session = Connection.connect();		
		BatchStatement batchStatement = new BatchStatement();
		
		PreparedStatement preparedStatement = session.prepare("insert into user (id, name) values (?, ?)");
		int i = 0;
		while(i < 10) {
			batchStatement.add(preparedStatement.bind(UUIDs.timeBased(), "user-" + i));
			++i;
		}

		try {
			ResultSet rs = session.execute(batchStatement);
			System.out.println(rs);
		} catch (Exception ex) {
			ex.printStackTrace();
		}
		Connection.close();

	}
開發者ID:abulbasar，項目名稱:cassandra-java-driver-examples，代碼行數:22，代碼來源:BatchStatementExample.java

示例4: CassandraPublisher

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
public CassandraPublisher() {
    super();

    PropertyManagement properties = PropertyManagement.getProperties();
    cassandraNode =
        properties.getProperty(CassandraPublisherPropertyValues.CASSANDRA_CONNECT_NODE,
                               CassandraPublisherPropertyValues.CASSANDRA_CONNECT_NODE_DEFAULT);
    batchSize =
        properties.asInt(CassandraPublisherPropertyValues.CASSANDRA_BATCH_SIZE,
                         CassandraPublisherPropertyValues.CASSANDRA_BATCH_SIZE_DEFAULT);
    flushFreq =
        properties.asInt(CassandraPublisherPropertyValues.CASSANDRA_FLUSH_FREQ,
                         CassandraPublisherPropertyValues.CASSANDRA_FLUSH_FREQ_DEFAULT);
    insertOnly =
        properties.asBoolean(CassandraPublisherPropertyValues.CASSANDRA_INSERT_ONLY,
                             CassandraPublisherPropertyValues.CASSANDRA_INSERT_ONLY_DEFAULT);

    batch = new BatchStatement(BatchStatement.Type.LOGGED);
    map = new HashMap<>();
    timer = new Timer();

    // reinitialize things
    publishEvents();
}
開發者ID:oracle，項目名稱:bdglue，代碼行數:25，代碼來源:CassandraPublisher.java

示例5: store

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
@Override
public void store(ConfigPath key, String data) throws ConfigDbException {

	final BatchStatement batchStat = new BatchStatement();
	
	batchStat.add(getStatement(StatementName.PUT_SETTING).bind(key.toString(), "", data));
	ConfigPath parent;
	ConfigPath child = key;
	
	while ((parent = child.getParent()) != null) {
		batchStat.add(getStatement(StatementName.PUT_SETTING).bind(parent.toString(), child.toString(), data));
		child = parent;
	}
	
	session.execute(batchStat);
}
開發者ID:att，項目名稱:dmaap-framework，代碼行數:17，代碼來源:CassandraConfigDb.java

示例6: getStatementArguments

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
/**
 * Get the arguments of a statement in an ordered key-value array.
 * 
 * @param arg0
 *            The statement.
 * @return The key-value array.
 */
public static String[] getStatementArguments( Statement arg0 ) {
    String[] returnValue = EMTPY_STRING_ARRAY;
    if ( arg0 instanceof ProfiledBoundStatement ) {
        returnValue = ( (ProfiledBoundStatement) arg0 ).getArgumentList();
    } else if ( arg0 instanceof BatchStatement ) {
        List<String> argumentList = new ArrayList<String>();
        Collection<Statement> statements = ( (BatchStatement) arg0 ).getStatements();
        for ( Statement statement : statements ) {
            String[] statementArguments = getStatementArguments( statement );
            Collections.addAll( argumentList, statementArguments );
        }
        returnValue = argumentList.toArray( new String[argumentList.size()] );
    }
    return returnValue;
}
開發者ID:dd00f，項目名稱:ibm-performance-monitor，代碼行數:23，代碼來源:ProfilingUtilities.java

示例7: getStatementName

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
/**
 * Get the name of a statement.
 * 
 * @param arg0 The statement.
 * @return The name used for logging.
 */
public static String getStatementName( Statement arg0 ) {
    String returnValue = "unknown";
    if ( arg0 instanceof RegularStatement ) {
        returnValue = ( (RegularStatement) arg0 ).getQueryString();
    } else if ( arg0 instanceof BoundStatement ) {
        PreparedStatement preparedStatement = ( (BoundStatement) arg0 ).preparedStatement();
        returnValue = preparedStatement.getQueryString();
    } else if ( arg0 instanceof BatchStatement ) {
        StringBuilder value = new StringBuilder( "Batch : " );
        Collection<Statement> statements = ( (BatchStatement) arg0 ).getStatements();
        boolean first = true;
        for ( Statement statement : statements ) {
            if ( first ) {
                first = false;
            } else {
                value.append( ", " );
            }
            String statementName = getStatementName( statement );
            value.append( statementName );
        }
        returnValue = value.toString();
    }
    return returnValue;
}
開發者ID:dd00f，項目名稱:ibm-performance-monitor，代碼行數:31，代碼來源:ProfilingUtilities.java

示例8: batchInsert

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
public ResultSet batchInsert(final Class<?> targetClass, final Collection<? extends Map<String, Object>> propsList, final BatchStatement.Type type) {
    N.checkArgument(N.notNullOrEmpty(propsList), "'propsList' can't be null or empty.");

    final BatchStatement batchStatement = new BatchStatement(type == null ? BatchStatement.Type.LOGGED : type);

    if (settings != null) {
        batchStatement.setConsistencyLevel(settings.getConsistency());
        batchStatement.setSerialConsistencyLevel(settings.getSerialConsistency());
        batchStatement.setRetryPolicy(settings.getRetryPolicy());

        if (settings.traceQuery) {
            batchStatement.enableTracing();
        } else {
            batchStatement.disableTracing();
        }
    }

    CP pair = null;

    for (Map<String, Object> props : propsList) {
        pair = prepareAdd(targetClass, props);
        batchStatement.add(prepareStatement(pair.cql, pair.parameters.toArray()));
    }

    return session.execute(batchStatement);
}
開發者ID:landawn，項目名稱:AbacusUtil，代碼行數:27，代碼來源:CassandraExecutor.java

示例9: update

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
@Override
public Document update(Document entity)
{
    Document old = read(entity.getId()); //will throw exception of doc is not found
    entity.setCreatedAt(old.getCreatedAt());//copy over the original create date
    Table table = entity.getTable();
    PreparedStatement updateStmt = PreparedStatementFactory.getPreparedStatement(String.format(CREATE_CQL, table.toDbTable(), Columns.ID), getSession());

    BoundStatement bs = new BoundStatement(updateStmt);
    bindCreate(bs, entity);
    BatchStatement batch = new BatchStatement(BatchStatement.Type.LOGGED);
    batch.add(bs);//the actual update
    try
    {
        List<BoundStatement> indexStatements = IndexMaintainerHelper.generateDocumentUpdateIndexEntriesStatements(getSession(), entity, bucketLocator);
        for (BoundStatement boundIndexStatement : indexStatements)
        {
            batch.add(boundIndexStatement);//the index updates
        }
        getSession().execute(batch);
        return entity;
    } catch (IndexParseException e)
    {
        throw new RuntimeException(e);
    }
}
開發者ID:PearsonEducation，項目名稱:Docussandra，代碼行數:27，代碼來源:DocumentRepositoryImpl.java

示例10: should_generate_batch_statement

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
@Test
public void should_generate_batch_statement() throws Exception {
    //Given
    Statement st1 = new SimpleStatement("SELECT * FROM users LIMIT 10;");
    Statement st2 = new SimpleStatement("INSERT INTO users(id) VALUES(10);");
    Statement st3 = new SimpleStatement("UPDATE users SET name = 'John DOE' WHERE id=10;");
    CassandraQueryOptions options = new CassandraQueryOptions(Option.apply(QUORUM),
            Option.<ConsistencyLevel>empty(),
            Option.empty(),
            Option.<RetryPolicy>empty(),
            Option.empty());

    //When
    BatchStatement actual = helper.generateBatchStatement(UNLOGGED, options, toScalaList(asList(st1, st2, st3)));

    //Then
    assertThat(actual).isNotNull();
    final List<Statement> statements = new ArrayList<>(actual.getStatements());
    assertThat(statements).hasSize(3);
    assertThat(statements.get(0)).isSameAs(st1);
    assertThat(statements.get(1)).isSameAs(st2);
    assertThat(statements.get(2)).isSameAs(st3);
    assertThat(actual.getConsistencyLevel()).isSameAs(QUORUM);
}
開發者ID:lorthos，項目名稱:incubator-zeppelin-druid，代碼行數:25，代碼來源:InterpreterLogicTest.java

示例11: sendBatch

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
public void sendBatch(BatchStatement.Type type, boolean addCounter, boolean addNonCounter)
{

    assert addCounter || addNonCounter;
    BatchStatement b = new BatchStatement(type);

    for (int i = 0; i < 10; i++)
    {
        if (addNonCounter)
            b.add(noncounter.bind(i, "foo"));

        if (addCounter)
            b.add(counter.bind((long)i, i));
    }

    session.execute(b);
}
開發者ID:vcostet，項目名稱:cassandra-kmean，代碼行數:18，代碼來源:BatchTests.java

示例12: perform

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
public void perform(CassandraPersistenceSession session, Object parameter, BatchStatement flush) {
  String deploymentId = (String) parameter;

  Session s = session.getSession();

  List<Row> processDefinitionsToDelete = s.execute(QueryBuilder.select("id", "key", "version").from(ProcessDefinitionTableHandler.TABLE_NAME).where(eq("deployment_id", deploymentId))).all();
  List<String> ids = new ArrayList<String>();

  for (Row processDefinitionToDelete : processDefinitionsToDelete) {
    ids.add(processDefinitionToDelete.getString("id"));

    flush.add(QueryBuilder.delete().all().from(ProcessDefinitionTableHandler.TABLE_NAME_IDX_VERSION)
      .where(eq("key", processDefinitionToDelete.getString("key")))
      .and(eq("version", processDefinitionToDelete.getInt("version"))));
  }

  flush.add(QueryBuilder.delete().all().from(ProcessDefinitionTableHandler.TABLE_NAME).where(in("id", ids)));
}
開發者ID:camunda，項目名稱:camunda-engine-cassandra，代碼行數:19，代碼來源:BulkDeleteProcessDefinitionByDeploymentId.java

示例13: should_generate_batch_statement

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
@Test
public void should_generate_batch_statement() throws Exception {
    //Given
    Statement st1 = new SimpleStatement("SELECT * FROM users LIMIT 10;");
    Statement st2 = new SimpleStatement("INSERT INTO users(id) VALUES(10);");
    Statement st3 = new SimpleStatement("UPDATE users SET name = 'John DOE' WHERE id=10;");
    CassandraQueryOptions options = new CassandraQueryOptions(Option.apply(QUORUM),
            Option.<ConsistencyLevel>empty(),
            Option.empty(),
            Option.<RetryPolicy>empty(),
            Option.empty(),
            Option.empty());

    //When
    BatchStatement actual = helper.generateBatchStatement(UNLOGGED, options, toScalaList(asList(st1, st2, st3)));

    //Then
    assertThat(actual).isNotNull();
    final List<Statement> statements = new ArrayList<>(actual.getStatements());
    assertThat(statements).hasSize(3);
    assertThat(statements.get(0)).isSameAs(st1);
    assertThat(statements.get(1)).isSameAs(st2);
    assertThat(statements.get(2)).isSameAs(st3);
    assertThat(actual.getConsistencyLevel()).isSameAs(QUORUM);
}
開發者ID:apache，項目名稱:zeppelin，代碼行數:26，代碼來源:InterpreterLogicTest.java

示例14: load

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
public void load(Iterator<List<Object>> rows)
{
    PreparedStatement statement = session.prepare(insertQuery);

    BatchStatement batch = createBatchStatement();
    while (rows.hasNext()) {
        if (batch.size() >= batchRowsCount) {
            session.execute(batch);
            batch = createBatchStatement();
        }
        List<Object> row = rows.next();
        checkState(row.size() == columnsCount, "values count in a row is expected to be %d, but found: %d", columnsCount, row.size());
        batch.add(statement.bind(row.toArray()));
    }

    if (batch.size() > 0) {
        session.execute(batch);
    }
}
開發者ID:prestodb，項目名稱:tempto，代碼行數:20，代碼來源:CassandraBatchLoader.java

示例15: tuneStatementExecutionOptions

import com.datastax.driver.core.BatchStatement; //導入依賴的package包/類
/**
 * Tunes CQL statement execution options (consistency level, fetch option and etc.).
 *
 * @param statement Statement.
 * @return Modified statement.
 */
private Statement tuneStatementExecutionOptions(Statement statement) {
    String qry = "";

    if (statement instanceof BoundStatement)
        qry = ((BoundStatement)statement).preparedStatement().getQueryString().trim().toLowerCase();
    else if (statement instanceof PreparedStatement)
        qry = ((PreparedStatement)statement).getQueryString().trim().toLowerCase();

    boolean readStatement = qry.startsWith("select");
    boolean writeStatement = statement instanceof Batch || statement instanceof BatchStatement ||
        qry.startsWith("insert") || qry.startsWith("delete") || qry.startsWith("update");

    if (readStatement && readConsistency != null)
        statement.setConsistencyLevel(readConsistency);

    if (writeStatement && writeConsistency != null)
        statement.setConsistencyLevel(writeConsistency);

    if (fetchSize != null)
        statement.setFetchSize(fetchSize);

    return statement;
}
開發者ID:apache，項目名稱:ignite，代碼行數:30，代碼來源:CassandraSessionImpl.java


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