CassandraUtils.java

package cz.benky.webdav.util;

import com.netflix.astyanax.AstyanaxContext;
import com.netflix.astyanax.Keyspace;
import com.netflix.astyanax.connectionpool.NodeDiscoveryType;
import com.netflix.astyanax.connectionpool.impl.ConnectionPoolConfigurationImpl;
import com.netflix.astyanax.connectionpool.impl.CountingConnectionPoolMonitor;
import com.netflix.astyanax.impl.AstyanaxConfigurationImpl;
import com.netflix.astyanax.model.ColumnFamily;
import com.netflix.astyanax.serializers.StringSerializer;
import com.netflix.astyanax.thrift.ThriftFamilyFactory;

import java.util.UUID;

public class CassandraUtils {
    public static final UUID ROOT_UUID = UUID.fromString("00000000-0000-0000-0000-000000000000");
    protected static final String KEYSPACE_NAME = "webdav";

    public static final ColumnFamily<String, String> CQL3_CF = ColumnFamily.newColumnFamily(
            "Cql3CF",
            StringSerializer.get(),
            StringSerializer.get());

    /**
     * Creates connection to Cassandra
     */
    public static Keyspace getConnection() {
        final AstyanaxContext<Keyspace> context = new AstyanaxContext.Builder()
                .forCluster("ClusterName")
                .forKeyspace(KEYSPACE_NAME)
                .withAstyanaxConfiguration(new AstyanaxConfigurationImpl()
                        .setDiscoveryType(NodeDiscoveryType.RING_DESCRIBE)
                )
                .withConnectionPoolConfiguration(new ConnectionPoolConfigurationImpl("MyConnectionPool")
                        .setPort(9160)
                        .setMaxConnsPerHost(1)
                        .setSeeds("127.0.0.1:9160")
                        .setSocketTimeout(60000)
                )
                .withAstyanaxConfiguration(new AstyanaxConfigurationImpl()
                        .setCqlVersion("3.0.0")
                        .setTargetCassandraVersion("1.2")
                )
                .withConnectionPoolMonitor(new CountingConnectionPoolMonitor())
                .buildKeyspace(ThriftFamilyFactory.getInstance());

        context.start();
        return context.getClient();
    }

}