com.landawn.abacus.da.canssandra

Class CassandraExecutor.UDTCodec<T>

java.lang.Object

com.datastax.driver.core.TypeCodec<T>

com.landawn.abacus.da.canssandra.CassandraExecutor.UDTCodec<T>

Type Parameters:

T -

Enclosing class:

CassandraExecutor

public abstract static class CassandraExecutor.UDTCodec<T>
extends com.datastax.driver.core.TypeCodec<T>

    static final CassandraExecutor cassandraExecutor;

     static {
         final CodecRegistry codecRegistry = new CodecRegistry();
         final Cluster cluster = Cluster.builder().withCodecRegistry(codecRegistry).addContactPoint("127.0.0.1").build();

         codecRegistry.register(new UDTCodec<Address>(cluster, "simplex", "address", Address.class) {
             protected Address deserialize(UDTValue value) {
                 if (value == null) {
                     return null;
                 }
                 Address address = new Address();
                 address.setStreet(value.getString("street"));
                 address.setCity(value.getString("city"));
                 address.setZipCode(value.getInt("zipCode"));
                 return address;
             }

             protected UDTValue serialize(Address value) {
                 return value == null ? null
                         : newUDTValue().setString("street", value.getStreet()).setInt("zipcode", value.getZipCode());
             }
         });


         cassandraExecutor = new CassandraExecutor(cluster);
     }
 
 

Author:

haiyangl

Nested Class Summary

Nested classes/interfaces inherited from class com.datastax.driver.core.TypeCodec

com.datastax.driver.core.TypeCodec.AbstractCollectionCodec<E,C extends Collection<E>>, com.datastax.driver.core.TypeCodec.AbstractMapCodec<K,V>, com.datastax.driver.core.TypeCodec.AbstractTupleCodec<T>, com.datastax.driver.core.TypeCodec.AbstractUDTCodec<T>, com.datastax.driver.core.TypeCodec.PrimitiveBooleanCodec, com.datastax.driver.core.TypeCodec.PrimitiveByteCodec, com.datastax.driver.core.TypeCodec.PrimitiveDoubleCodec, com.datastax.driver.core.TypeCodec.PrimitiveFloatCodec, com.datastax.driver.core.TypeCodec.PrimitiveIntCodec, com.datastax.driver.core.TypeCodec.PrimitiveLongCodec, com.datastax.driver.core.TypeCodec.PrimitiveShortCodec

Constructor Summary

Constructors

Constructor and Description
UDTCodec(com.datastax.driver.core.Cluster cluster, String keySpace, String userType, Class<T> javaType) Instantiates a new UDT codec.
UDTCodec(com.datastax.driver.core.TypeCodec<com.datastax.driver.core.UDTValue> innerCodec, Class<T> javaType) Instantiates a new UDT codec.

Method Summary

Modifier and Type	Method and Description
T	deserialize(ByteBuffer bytes, com.datastax.driver.core.ProtocolVersion protocolVersion)
String	format(T value)
T	parse(String value)
ByteBuffer	serialize(T value, com.datastax.driver.core.ProtocolVersion protocolVersion)

Methods inherited from class com.datastax.driver.core.TypeCodec

accepts, accepts, accepts, accepts, ascii, bigint, blob, cboolean, cdouble, cfloat, cint, counter, custom, date, decimal, duration, getCqlType, getJavaType, inet, list, map, set, smallInt, time, timestamp, timeUUID, tinyInt, toString, tuple, userType, uuid, varchar, varint

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

UDTCodec

public UDTCodec(com.datastax.driver.core.TypeCodec<com.datastax.driver.core.UDTValue> innerCodec,
                Class<T> javaType)

Instantiates a new UDT codec.

Parameters:

innerCodec -

javaType -

UDTCodec

public UDTCodec(com.datastax.driver.core.Cluster cluster,
                String keySpace,
                String userType,
                Class<T> javaType)

Instantiates a new UDT codec.

Parameters:

cluster -

keySpace -

userType -

javaType -

Method Detail

serialize

public ByteBuffer serialize(T value,
                            com.datastax.driver.core.ProtocolVersion protocolVersion)
                     throws com.datastax.driver.core.exceptions.InvalidTypeException

Specified by:

serialize in class com.datastax.driver.core.TypeCodec<T>

Parameters:

value -

protocolVersion -

Returns:

Throws:

com.datastax.driver.core.exceptions.InvalidTypeException - the invalid type exception

deserialize

public T deserialize(ByteBuffer bytes,
                     com.datastax.driver.core.ProtocolVersion protocolVersion)
              throws com.datastax.driver.core.exceptions.InvalidTypeException

Specified by:

deserialize in class com.datastax.driver.core.TypeCodec<T>

Parameters:

bytes -

protocolVersion -

Returns:

Throws:

com.datastax.driver.core.exceptions.InvalidTypeException - the invalid type exception

parse

public T parse(String value)
        throws com.datastax.driver.core.exceptions.InvalidTypeException

Specified by:

parse in class com.datastax.driver.core.TypeCodec<T>

Parameters:

value -

Returns:

Throws:

com.datastax.driver.core.exceptions.InvalidTypeException - the invalid type exception

format

public String format(T value)
              throws com.datastax.driver.core.exceptions.InvalidTypeException

Specified by:

format in class com.datastax.driver.core.TypeCodec<T>

Parameters:

value -

Returns:

Throws:

com.datastax.driver.core.exceptions.InvalidTypeException - the invalid type exception