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From Apache Wiki <wikidi...@apache.org>
Subject [Cassandra Wiki] Update of "ThriftExamples" by DaveBrosius
Date Wed, 16 Nov 2011 03:54:37 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Cassandra Wiki" for change notification.

The "ThriftExamples" page has been changed by DaveBrosius:
http://wiki.apache.org/cassandra/ThriftExamples?action=diff&rev1=92&rev2=93

                  }
                  tr.close();
          }
+ }
+ }}}
+ 
+ Same example as above but working with cassandra version 1.0.0
+ 
+ {{{#!java
+ package cassandra.clientest;
+ 
+ import java.io.UnsupportedEncodingException;
+ import java.nio.ByteBuffer;
+ import java.util.List;
+ 
+ import org.apache.cassandra.thrift.Cassandra;
+ import org.apache.cassandra.thrift.Column;
+ import org.apache.cassandra.thrift.ColumnOrSuperColumn;
+ import org.apache.cassandra.thrift.ColumnParent;
+ import org.apache.cassandra.thrift.ColumnPath;
+ import org.apache.cassandra.thrift.ConsistencyLevel;
+ import org.apache.cassandra.thrift.InvalidRequestException;
+ import org.apache.cassandra.thrift.NotFoundException;
+ import org.apache.cassandra.thrift.SlicePredicate;
+ import org.apache.cassandra.thrift.SliceRange;
+ import org.apache.cassandra.thrift.TimedOutException;
+ import org.apache.cassandra.thrift.UnavailableException;
+ import org.apache.thrift.TException;
+ import org.apache.thrift.protocol.TBinaryProtocol;
+ import org.apache.thrift.protocol.TProtocol;
+ import org.apache.thrift.transport.TFramedTransport;
+ import org.apache.thrift.transport.TSocket;
+ import org.apache.thrift.transport.TTransport;
+ 
+ public class CClient
+ {
+     public static void main(String[] args)
+     throws TException, InvalidRequestException, UnavailableException, UnsupportedEncodingException,
NotFoundException, TimedOutException
+     {
+         TTransport tr = new TFramedTransport(new TSocket("localhost", 9160));
+         TProtocol proto = new TBinaryProtocol(tr);
+         Cassandra.Client client = new Cassandra.Client(proto);
+         tr.open();
+ 
+         String key_user_id = "1";
+ 
+         // insert data
+         long timestamp = System.currentTimeMillis();
+         client.set_keyspace("Keyspace1");      
+         ColumnParent parent = new ColumnParent("Standard1");
+ 
+         Column nameColumn = new Column(toByteBuffer("name"));
+         nameColumn.setValue(toByteBuffer("Chris Goffinet"));
+         nameColumn.setTimestamp(timestamp);
+         client.insert(toByteBuffer(key_user_id), parent, nameColumn, ConsistencyLevel.ONE);
+         
+         Column ageColumn = new Column(toByteBuffer("age"));
+         ageColumn.setValue(toByteBuffer("24"));
+         ageColumn.setTimestamp(timestamp);
+         client.insert(toByteBuffer(key_user_id), parent, ageColumn, ConsistencyLevel.ONE);
+ 
+         ColumnPath path = new ColumnPath("Standard1");
+ 
+         // read single column
+         path.setColumn(toByteBuffer("name"));
+         System.out.println(client.get(toByteBuffer(key_user_id), path, ConsistencyLevel.ONE));
+ 
+         // read entire row
+         SlicePredicate predicate = new SlicePredicate();
+         SliceRange sliceRange = new SliceRange(toByteBuffer(""), toByteBuffer(""), false,
10);
+         predicate.setSlice_range(sliceRange);
+         
+         List<ColumnOrSuperColumn> results = client.get_slice(toByteBuffer(key_user_id),
parent, predicate, ConsistencyLevel.ONE);
+         for (ColumnOrSuperColumn result : results)
+         {
+             Column column = result.column;
+             System.out.println(toString(column.name) + " -> " + toString(column.value));
+         }
+ 
+         tr.close();
+     }
+     
+     public static ByteBuffer toByteBuffer(String value) 
+     throws UnsupportedEncodingException
+     {
+         return ByteBuffer.wrap(value.getBytes("UTF-8"));
+     }
+ 	
+     public static String toString(ByteBuffer buffer) 
+     throws UnsupportedEncodingException
+     {
+         byte[] bytes = new byte[buffer.remaining()];
+         buffer.get(bytes);
+         return new String(bytes, "UTF-8");
+     }
  }
  }}}
  == Python ==

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