com.mysema.query.sql

Class ColumnMetadata

java.lang.Object

com.mysema.query.sql.ColumnMetadata

All Implemented Interfaces:

Serializable

public final class ColumnMetadata
extends Object
implements Serializable

Provides metadata like the column name, JDBC type and constraints

See Also:

Serialized Form

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o)
static ColumnMetadata	getColumnMetadata(Path<?> path) Returns this path's column metadata if present.
int	getDigits() the number of fractional digits
int	getIndex()
int	getJdbcType()
String	getName()
static String	getName(Path<?> path)
int	getSize() For char or date types this is the maximum number of characters, for numeric or decimal types this is precision.
boolean	hasDigits()
int	hashCode()
boolean	hasJdbcType()
boolean	hasSize()
boolean	isNullable()
static ColumnMetadata	named(String name) Creates default column meta data with the given column name, but without any type or constraint information.
ColumnMetadata	notNull()
ColumnMetadata	ofType(int jdbcType)
ColumnMetadata	withDigits(int decimalDigits)
ColumnMetadata	withIndex(int index)
ColumnMetadata	withSize(int size)

Methods inherited from class java.lang.Object

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

Method Detail

getColumnMetadata

public static ColumnMetadata getColumnMetadata(Path<?> path)

Returns this path's column metadata if present. Otherwise returns default metadata where the column name is equal to the path's name.

getName

public static String getName(Path<?> path)

named

public static ColumnMetadata named(String name)

Creates default column meta data with the given column name, but without any type or constraint information. Use the fluent builder methods to further configure it.

Throws:

NullPointerException - if the name is null

getName

public String getName()

getIndex

public int getIndex()

withIndex

public ColumnMetadata withIndex(int index)

getJdbcType

public int getJdbcType()

hasJdbcType

public boolean hasJdbcType()

ofType

public ColumnMetadata ofType(int jdbcType)

isNullable

public boolean isNullable()

notNull

public ColumnMetadata notNull()

getSize

public int getSize()

For char or date types this is the maximum number of characters, for numeric or decimal types this is precision.

Returns:

hasSize

public boolean hasSize()

withSize

public ColumnMetadata withSize(int size)

getDigits

public int getDigits()

the number of fractional digits

Returns:

hasDigits

public boolean hasDigits()

withDigits

public ColumnMetadata withDigits(int decimalDigits)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object