org.datanucleus.store.rdbms.schema

Class JDBCTypeInfo

java.lang.Object

org.datanucleus.store.rdbms.schema.JDBCTypeInfo

All Implemented Interfaces:

org.datanucleus.store.schema.MapStoreSchemaData, org.datanucleus.store.schema.StoreSchemaData

public class JDBCTypeInfo
extends Object
implements org.datanucleus.store.schema.MapStoreSchemaData

Representation of JDBC type information in the datastore. Each JDBC type info has a map of SQL type info for this JDBC type. Has the property "jdbc_type" as a Short of the java.sql.Types value.

Constructor Summary

Constructors

Constructor and Description
JDBCTypeInfo(short type)

Method Summary

Methods

Modifier and Type	Method and Description
void	addChild(org.datanucleus.store.schema.StoreSchemaData child) Add a SQL type for this JDBC type.
void	addProperty(String name, Object value) Method to add a property for the type.
void	clearChildren() Method to remove all children.
boolean	equals(Object obj) Indicates whether some object is "equal to" this one.
org.datanucleus.store.schema.StoreSchemaData	getChild(String key) Accessor for the SQL type with this type name (if supported for this JDBC type).
Map	getChildren() Accessor for the SQL types map for this JDBC type, keyed by the type name.
int	getNumberOfChildren()
org.datanucleus.store.schema.StoreSchemaData	getParent() Accessor for the parent component.
Object	getProperty(String name) Accessor for a property.
int	hashCode() Returns a hash code value for this object.
void	setParent(org.datanucleus.store.schema.StoreSchemaData parent) Mutator for the parent component.
String	toString() Returns the string representation of this object.

Methods inherited from class java.lang.Object

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

Constructor Detail

JDBCTypeInfo

public JDBCTypeInfo(short type)

Method Detail

setParent

public void setParent(org.datanucleus.store.schema.StoreSchemaData parent)

Mutator for the parent component.

Specified by:

setParent in interface org.datanucleus.store.schema.MapStoreSchemaData

Parameters:

parent - Parent component

getParent

public org.datanucleus.store.schema.StoreSchemaData getParent()

Accessor for the parent component.

Specified by:

getParent in interface org.datanucleus.store.schema.MapStoreSchemaData

Returns:

null

addProperty

public void addProperty(String name,
               Object value)

Method to add a property for the type.

Specified by:

addProperty in interface org.datanucleus.store.schema.StoreSchemaData

Parameters:

name - Name of property

value - Its value

getProperty

public Object getProperty(String name)

Accessor for a property.

Specified by:

getProperty in interface org.datanucleus.store.schema.StoreSchemaData

Parameters:

name - Name of the property

Returns:

Its value, or null if not defined

addChild

public void addChild(org.datanucleus.store.schema.StoreSchemaData child)

Add a SQL type for this JDBC type.

Specified by:

addChild in interface org.datanucleus.store.schema.MapStoreSchemaData

Parameters:

child - The SQL type

clearChildren

public void clearChildren()

Method to remove all children.

Specified by:

clearChildren in interface org.datanucleus.store.schema.MapStoreSchemaData

getChild

public org.datanucleus.store.schema.StoreSchemaData getChild(String key)

Accessor for the SQL type with this type name (if supported for this JDBC type).

Specified by:

getChild in interface org.datanucleus.store.schema.MapStoreSchemaData

Parameters:

key - type name

Returns:

the SQL type

getChildren

public Map getChildren()

Accessor for the SQL types map for this JDBC type, keyed by the type name.

Specified by:

getChildren in interface org.datanucleus.store.schema.MapStoreSchemaData

Returns:

Map of SQL types

getNumberOfChildren

public int getNumberOfChildren()

Specified by:

getNumberOfChildren in interface org.datanucleus.store.schema.MapStoreSchemaData

equals

public final boolean equals(Object obj)

Indicates whether some object is "equal to" this one. Two JDBCTypeInfo are considered equal if their jdbc type is the same.

Overrides:

equals in class Object

Parameters:

obj - the reference object with which to compare

Returns:

true if this object is equal to the obj argument; false otherwise.

hashCode

public final int hashCode()

Returns a hash code value for this object.

Overrides:

hashCode in class Object

Returns:

a hash code value for this object.

toString

public String toString()

Returns the string representation of this object.

Overrides:

toString in class Object

Returns:

string representation of this object.