com.datastax.driver.extras.codecs.arrays

Class AbstractArrayCodec<T>

java.lang.Object

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

com.datastax.driver.extras.codecs.arrays.AbstractArrayCodec<T>

Type Parameters:

T - The Java array type this codec handles

Direct Known Subclasses:

AbstractPrimitiveArrayCodec, ObjectArrayCodec

public abstract class AbstractArrayCodec<T>
extends com.datastax.driver.core.TypeCodec<T>

Base class for all codecs dealing with Java arrays. This class aims to reduce the amount of code required to create such codecs.

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

Field Summary

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

cqlType, javaType

Constructor Summary

Constructors

Constructor and Description
AbstractArrayCodec(com.datastax.driver.core.DataType.CollectionType cqlType, Class<T> javaClass)

Method Summary

Modifier and Type	Method and Description
String	format(T array)
protected abstract void	formatElement(StringBuilder output, T array, int index) Format the indexth element of array to output.
protected abstract T	newInstance(int size) Create a new array instance with the given size.
T	parse(String value)
protected abstract void	parseElement(String input, T array, int index) Parse the indexth element of array from input.

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

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

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

AbstractArrayCodec

public AbstractArrayCodec(com.datastax.driver.core.DataType.CollectionType cqlType,
                          Class<T> javaClass)

Parameters:

cqlType - The CQL type. Must be a list type.

javaClass - The Java type. Must be an array class.

Method Detail

format

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

Specified by:

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

Throws:

com.datastax.driver.core.exceptions.InvalidTypeException

parse

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

Specified by:

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

Throws:

com.datastax.driver.core.exceptions.InvalidTypeException

newInstance

protected abstract T newInstance(int size)

Create a new array instance with the given size.

Parameters:

size - The size of the array to instantiate.

Returns:

a new array instance with the given size.

formatElement

protected abstract void formatElement(StringBuilder output,
                                      T array,
                                      int index)

Format the indexth element of array to output.

Parameters:

output - The StringBuilder to write to.

array - The array to read from.

index - The element index.

parseElement

protected abstract void parseElement(String input,
                                     T array,
                                     int index)

Parse the indexth element of array from input.

Parameters:

input - The String to read from.

array - The array to write to.

index - The element index.