Examples with ConsistencyLevel com.datastax.driver.core.ConsistencyLevel used on opensource projects

Example 1 with ConsistencyLevel

use of com.datastax.driver.core.ConsistencyLevel in project opennms by OpenNMS.

the class ContextConfigurationFactory method getContextConfigurations.

public static ContextConfigurations getContextConfigurations() {
    String resourceShardStr = System.getProperty("org.opennms.newts.config.resource_shard", "604800");
    String readConsistencyStr = System.getProperty("org.opennms.newts.config.read_consistency", "ONE");
    String writeConsistencyStr = System.getProperty("org.opennms.newts.config.write_consistency", "ANY");
    Duration resourceShard = Duration.seconds(Long.parseLong(resourceShardStr));
    ConsistencyLevel readConsistency = ConsistencyLevel.valueOf(readConsistencyStr);
    ConsistencyLevel writeConsistency = ConsistencyLevel.valueOf(writeConsistencyStr);
    ContextConfigurations contexts = new ContextConfigurations();
    contexts.addContextConfig(Context.DEFAULT_CONTEXT, resourceShard, readConsistency, writeConsistency);
    return contexts;
}

Example 2 with ConsistencyLevel

use of com.datastax.driver.core.ConsistencyLevel in project newts by OpenNMS.

the class CassandraIndexer method delete.

@Override
public void delete(final Context context, final Resource resource) {
    final Timer.Context ctx = m_deleteTimer.time();
    final ConsistencyLevel writeConsistency = m_contextConfigurations.getWriteConsistency(context);
    final List<RegularStatement> statements = Lists.newArrayList();
    definitelyUnindexResource(statements, context, resource, writeConsistency);
    definitelyUnindexResourceAttributes(statements, context, resource, writeConsistency);
    definitelyRemoveMetricName(statements, context, resource, writeConsistency);
    try {
        if (!statements.isEmpty()) {
            m_session.execute(batch(statements.toArray(new RegularStatement[statements.size()])));
        }
        m_cache.delete(context, resource);
    } finally {
        ctx.stop();
    }
}

Example 3 with ConsistencyLevel

use of com.datastax.driver.core.ConsistencyLevel in project newts by OpenNMS.

the class CassandraSearcher method search.

@Override
public SearchResults search(Context context, Query query, boolean populateMetricsAndAttributes) {
    checkNotNull(context, "context argument");
    checkNotNull(query, "query argument");
    Timer.Context ctx = m_searchTimer.time();
    ConsistencyLevel readConsistency = m_contextConfigurations.getReadConsistency(context);
    SearchResults searchResults = new SearchResults();
    try {
        Set<String> ids;
        Query q = query.rewrite();
        if (q instanceof BooleanQuery) {
            ids = searchForIds(context, (BooleanQuery) q, readConsistency);
        } else if (q instanceof TermQuery) {
            ids = searchForIds(context, (TermQuery) q, readConsistency);
        } else {
            throw new IllegalStateException("Unsupported query: " + q);
        }
        for (final String id : ids) {
            if (!populateMetricsAndAttributes) {
                Resource resource = new Resource(id);
                List<String> emptyList = Collections.emptyList();
                searchResults.addResult(resource, emptyList);
            } else {
                // Fetch the metric names and attributes concurrently
                ResultSetFuture attrsFuture = fetchResourceAttributes(context, id, readConsistency);
                ResultSetFuture metricsFuture = fetchMetricNames(context, id, readConsistency);
                try {
                    Map<String, String> attrs = getResourceAttributesFromResults(attrsFuture);
                    Collection<String> metrics = getMetricNamesFromResults(metricsFuture);
                    Resource resource = attrs.size() > 0 ? new Resource(id, Optional.of(attrs)) : new Resource(id);
                    searchResults.addResult(resource, metrics);
                } catch (ExecutionException | InterruptedException e) {
                    throw Throwables.propagate(e);
                }
            }
        }
        return searchResults;
    } finally {
        ctx.stop();
    }
}

Example 4 with ConsistencyLevel

use of com.datastax.driver.core.ConsistencyLevel in project ignite by apache.

the class DatasourceSerializationTest method serializationTest.

/**
     * Serialization test.
     */
@Test
public void serializationTest() {
    DataSource src = new DataSource();
    Credentials cred = new CassandraAdminCredentials();
    String[] points = new String[] { "127.0.0.1", "10.0.0.2", "10.0.0.3" };
    LoadBalancingPolicy plc = new MyLoadBalancingPolicy();
    src.setCredentials(cred);
    src.setContactPoints(points);
    src.setReadConsistency("ONE");
    src.setWriteConsistency("QUORUM");
    src.setLoadBalancingPolicy(plc);
    JavaSerializer serializer = new JavaSerializer();
    ByteBuffer buff = serializer.serialize(src);
    DataSource _src = (DataSource) serializer.deserialize(buff);
    Credentials _cred = (Credentials) getFieldValue(_src, "creds");
    List<InetAddress> _points = (List<InetAddress>) getFieldValue(_src, "contactPoints");
    ConsistencyLevel _readCons = (ConsistencyLevel) getFieldValue(_src, "readConsistency");
    ConsistencyLevel _writeCons = (ConsistencyLevel) getFieldValue(_src, "writeConsistency");
    LoadBalancingPolicy _plc = (LoadBalancingPolicy) getFieldValue(_src, "loadBalancingPlc");
    assertTrue("Incorrectly serialized/deserialized credentials for Cassandra DataSource", cred.getPassword().equals(_cred.getPassword()) && cred.getUser().equals(_cred.getUser()));
    assertTrue("Incorrectly serialized/deserialized contact points for Cassandra DataSource", "/127.0.0.1".equals(_points.get(0).toString()) && "/10.0.0.2".equals(_points.get(1).toString()) && "/10.0.0.3".equals(_points.get(2).toString()));
    assertTrue("Incorrectly serialized/deserialized consistency levels for Cassandra DataSource", ConsistencyLevel.ONE == _readCons && ConsistencyLevel.QUORUM == _writeCons);
    assertTrue("Incorrectly serialized/deserialized load balancing policy for Cassandra DataSource", _plc instanceof MyLoadBalancingPolicy);
}