Created
February 16, 2012 18:57
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Why does timeUUID Fail to insert ?
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import java.util.Arrays; | |
import me.prettyprint.cassandra.model.HColumnImpl; | |
import me.prettyprint.cassandra.serializers.CompositeSerializer; | |
import me.prettyprint.cassandra.serializers.StringSerializer; | |
import me.prettyprint.cassandra.utils.TimeUUIDUtils; | |
import me.prettyprint.hector.api.Cluster; | |
import me.prettyprint.hector.api.Keyspace; | |
import me.prettyprint.hector.api.beans.Composite; | |
import me.prettyprint.hector.api.ddl.ColumnFamilyDefinition; | |
import me.prettyprint.hector.api.ddl.ComparatorType; | |
import me.prettyprint.hector.api.ddl.KeyspaceDefinition; | |
import me.prettyprint.hector.api.factory.HFactory; | |
import me.prettyprint.hector.api.mutation.Mutator; | |
public class HectorTest { | |
public static String keyspaceName = "ApplicationSpace1", | |
columnFamilyName = "TheFamily"; | |
public static void main(String... args) { | |
// Step 1: Create a cluster | |
Cluster cluster = HFactory.getOrCreateCluster("Test Cluster", | |
"192.168.2.38:9160"); | |
KeyspaceDefinition keyspaceDef = cluster.describeKeyspace(keyspaceName); | |
if (keyspaceDef == null) { | |
// Step 2: Create the schema | |
ColumnFamilyDefinition cfd = HFactory.createColumnFamilyDefinition( | |
keyspaceName, columnFamilyName, | |
ComparatorType.COMPOSITETYPE); | |
cfd.setComparatorTypeAlias("(TimeUUIDType,UTF8Type)"); | |
cfd.setKeyValidationClass("CompositeType(TimeUUIDType,UTF8Type)"); // for row keys | |
cfd.setDefaultValidationClass(ComparatorType.UTF8TYPE | |
.getClassName()); | |
KeyspaceDefinition myKs = HFactory.createKeyspaceDefinition( | |
keyspaceName, "SimpleStrategy", 2, | |
Arrays.asList(cfd)); | |
// Step 3: Add schema to the cluster | |
cluster.addKeyspace(myKs, true); | |
} | |
Keyspace ksp = HFactory.createKeyspace(keyspaceName, cluster); | |
Mutator<Composite> mutator = HFactory.createMutator(ksp, CompositeSerializer.get()); | |
HColumnImpl<String, String> column = new HColumnImpl<String, String>(StringSerializer.get(), StringSerializer.get()); | |
column.setClock(ksp.createClock()); | |
Composite rowKey = new Composite(); | |
rowKey.add(0, TimeUUIDUtils.getUniqueTimeUUIDinMillis()); | |
rowKey.add(1, "email@example.com"); | |
column.setName("email"); | |
column.setValue("email@example.com"); | |
mutator.insert(rowKey, columnFamilyName, column); | |
} | |
} |
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