com.mysql.cj.protocol.x

Class FieldFactory

java.lang.Object

com.mysql.cj.protocol.x.FieldFactory

All Implemented Interfaces:

ProtocolEntityFactory<Field,XMessage>

public class FieldFactory
extends java.lang.Object
implements ProtocolEntityFactory<Field,XMessage>

Factory producing Field from protocol message.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) java.lang.String	metadataCharacterSet
private static int	XPROTOCOL_COLUMN_BYTES_CONTENT_TYPE_GEOMETRY Content-type used in type mapping.
private static int	XPROTOCOL_COLUMN_BYTES_CONTENT_TYPE_JSON
private static int	XPROTOCOL_COLUMN_FLAGS_AUTO_INCREMENT
private static int	XPROTOCOL_COLUMN_FLAGS_BYTES_RIGHTPAD
private static int	XPROTOCOL_COLUMN_FLAGS_DATETIME_TIMESTAMP
private static int	XPROTOCOL_COLUMN_FLAGS_DECIMAL_UNSIGNED
private static int	XPROTOCOL_COLUMN_FLAGS_DOUBLE_UNSIGNED
private static int	XPROTOCOL_COLUMN_FLAGS_FLOAT_UNSIGNED
private static int	XPROTOCOL_COLUMN_FLAGS_MULTIPLE_KEY
private static int	XPROTOCOL_COLUMN_FLAGS_NOT_NULL
private static int	XPROTOCOL_COLUMN_FLAGS_PRIMARY_KEY
private static int	XPROTOCOL_COLUMN_FLAGS_UINT_ZEROFILL
private static int	XPROTOCOL_COLUMN_FLAGS_UNIQUE_KEY

Constructor Summary

Constructors

Constructor and Description
FieldFactory(java.lang.String metadataCharSet)

Method Summary

Modifier and Type	Method and Description
private Field	columnMetaDataToField(MysqlxResultset.ColumnMetaData col, java.lang.String characterSet) Convert a X Protocol MysqlxResultset.ColumnMetaData message to a C/J Field object.
Field	createFromMessage(XMessage message) Create ProtocolEntity of type T from protocol message.
private MysqlType	findMysqlType(MysqlxResultset.ColumnMetaData.FieldType type, int contentType, int flags, int collationIndex)
private int	xProtocolTypeToMysqlType(MysqlxResultset.ColumnMetaData.FieldType type, int contentType) Map a X Protocol type code from `ColumnMetaData.FieldType' to a MySQL type constant.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.mysql.cj.protocol.ProtocolEntityFactory

createFromProtocolEntity, getFetchSize, getResultSetConcurrency, getResultSetType

Field Detail

XPROTOCOL_COLUMN_BYTES_CONTENT_TYPE_GEOMETRY

private static final int XPROTOCOL_COLUMN_BYTES_CONTENT_TYPE_GEOMETRY

Content-type used in type mapping. c.f. mysqlx_resultset.proto

See Also:

Constant Field Values

XPROTOCOL_COLUMN_BYTES_CONTENT_TYPE_JSON

private static final int XPROTOCOL_COLUMN_BYTES_CONTENT_TYPE_JSON

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Constant Field Values

XPROTOCOL_COLUMN_FLAGS_UINT_ZEROFILL

private static final int XPROTOCOL_COLUMN_FLAGS_UINT_ZEROFILL

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Constant Field Values

XPROTOCOL_COLUMN_FLAGS_DOUBLE_UNSIGNED

private static final int XPROTOCOL_COLUMN_FLAGS_DOUBLE_UNSIGNED

See Also:

Constant Field Values

XPROTOCOL_COLUMN_FLAGS_FLOAT_UNSIGNED

private static final int XPROTOCOL_COLUMN_FLAGS_FLOAT_UNSIGNED

See Also:

Constant Field Values

XPROTOCOL_COLUMN_FLAGS_DECIMAL_UNSIGNED

private static final int XPROTOCOL_COLUMN_FLAGS_DECIMAL_UNSIGNED

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Constant Field Values

XPROTOCOL_COLUMN_FLAGS_BYTES_RIGHTPAD

private static final int XPROTOCOL_COLUMN_FLAGS_BYTES_RIGHTPAD

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Constant Field Values

XPROTOCOL_COLUMN_FLAGS_DATETIME_TIMESTAMP

private static final int XPROTOCOL_COLUMN_FLAGS_DATETIME_TIMESTAMP

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Constant Field Values

XPROTOCOL_COLUMN_FLAGS_NOT_NULL

private static final int XPROTOCOL_COLUMN_FLAGS_NOT_NULL

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Constant Field Values

XPROTOCOL_COLUMN_FLAGS_PRIMARY_KEY

private static final int XPROTOCOL_COLUMN_FLAGS_PRIMARY_KEY

See Also:

Constant Field Values

XPROTOCOL_COLUMN_FLAGS_UNIQUE_KEY

private static final int XPROTOCOL_COLUMN_FLAGS_UNIQUE_KEY

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Constant Field Values

XPROTOCOL_COLUMN_FLAGS_MULTIPLE_KEY

private static final int XPROTOCOL_COLUMN_FLAGS_MULTIPLE_KEY

See Also:

Constant Field Values

XPROTOCOL_COLUMN_FLAGS_AUTO_INCREMENT

private static final int XPROTOCOL_COLUMN_FLAGS_AUTO_INCREMENT

See Also:

Constant Field Values

metadataCharacterSet

java.lang.String metadataCharacterSet

Constructor Detail

FieldFactory

public FieldFactory(java.lang.String metadataCharSet)

Method Detail

createFromMessage

public Field createFromMessage(XMessage message)

Description copied from interface: ProtocolEntityFactory

Create ProtocolEntity of type T from protocol message.

Specified by:

createFromMessage in interface ProtocolEntityFactory<Field,XMessage>

Parameters:

message - Message instance

Returns:

T

columnMetaDataToField

private Field columnMetaDataToField(MysqlxResultset.ColumnMetaData col,
                                    java.lang.String characterSet)

Convert a X Protocol MysqlxResultset.ColumnMetaData message to a C/J Field object.

Parameters:

col - the message from the server

characterSet - the encoding of the strings in the message

Returns:

Field

findMysqlType

private MysqlType findMysqlType(MysqlxResultset.ColumnMetaData.FieldType type,
                                int contentType,
                                int flags,
                                int collationIndex)

xProtocolTypeToMysqlType

private int xProtocolTypeToMysqlType(MysqlxResultset.ColumnMetaData.FieldType type,
                                     int contentType)

Map a X Protocol type code from `ColumnMetaData.FieldType' to a MySQL type constant. These are the only types that will be present in XProtocolRow results.

Parameters:

type - the type as the ColumnMetaData.FieldType

contentType - the inner type

Returns:

A FIELD_TYPE constant from MysqlType corresponding to the combination of input parameters.