QtCassandra 程序2

/*
 * Text:
 *      context_management.cpp
 *
 * Description:
 *      Create contexts, check that they exist, drop contexts, check that
 *      they were removed.
 *
 * Documentation:
 *      Run with no options.
 *      Fails if the test cannot find the expected contexts or can find
 *      the non-expected contexts.
 *
 * License:
 *      Copyright (c) 2011 Made to Order Software Corp.
 *
 *      http://snapwebsites.org/
 *      [e-mail]
 *
 *      Permission is hereby granted, free of charge, to any person obtaining a
 *      copy of this software and associated documentation files (the
 *      "Software"), to deal in the Software without restriction, including
 *      without limitation the rights to use, copy, modify, merge, publish,
 *      distribute, sublicense, and/or sell copies of the Software, and to
 *      permit persons to whom the Software is furnished to do so, subject to
 *      the following conditions:
 *
 *      The above copyright notice and this permission notice shall be included
 *      in all copies or substantial portions of the Software.
 *
 *      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 *      OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *      MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *      IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 *      CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 *      TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 *      SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include <QtCassandra/QCassandra.h>
#include <QtCore/QDebug>
#include <thrift-gencpp-cassandra/cassandra_types.h>

int main(int argc, char *argv[])
{
    QtCassandra::QCassandra     cassandra;

    cassandra.connect();
    qDebug() << "Working on Cassandra Cluster Named" << cassandra.clusterName();

    QSharedPointer<QtCassandra::QCassandraContext> context(cassandra.context("qt_cassandra_test_context"));
    context->setStrategyClass("org.apache.cassandra.locator.SimpleStrategy"); // default is LocalStrategy
    //context->setDurableWrites(false); // by default this is 'true'
    context->setReplicationFactor(1); // by default this is undefined

    QSharedPointer<QtCassandra::QCassandraTable> table(context->table("qt_cassandra_test_table"));
    //table->setComment("Our test table.");
    table->setColumnType("Standard"); // Standard or Super
    table->setKeyValidationClass("BytesType");
    table->setDefaultValidationClass("BytesType");
    table->setComparatorType("BytesType");
    table->setKeyCacheSavePeriodInSeconds(14400);
    table->setMemtableFlushAfterMins(60);
    //table->setMemtableThroughputInMb(247);
    //table->setMemtableOperationsInMillions(1.1578125);
    table->setGcGraceSeconds(864000);
    table->setMinCompactionThreshold(4);
    table->setMaxCompactionThreshold(22);
    table->setReplicateOnWrite(1);

    // Column definitions can be used to make sure the content is valid.
    // It is also required if you want to index on such and such column
    // using the internal Cassandra indexing mechanism.
    QSharedPointer<QtCassandra::QCassandraColumnDefinition> column1(table->columnDefinition("qt_cassandra_test_column1"));
    column1->setValidationClass("UTF8Type");

    QSharedPointer<QtCassandra::QCassandraColumnDefinition> column2(table->columnDefinition("qt_cassandra_test_column2"));
    column2->setValidationClass("IntegerType");

    try {
        context->create();
        qDebug() << "Done!";
    }
    catch(org::apache::cassandra::InvalidRequestException& e) {
        qDebug() << "Exception is [" << e.why.c_str() << "]";
    }

    // now that it's created, we can access it with the [] operator
    QtCassandra::QCassandraTable& t(cassandra["qt_cassandra_test_context"]["qt_cassandra_test_table"]);

    context->drop();
}

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