org.datanucleus.store.rdbms.schema
Class JDBCTypeInfo

java.lang.Object
  extended by org.datanucleus.store.rdbms.schema.JDBCTypeInfo
All Implemented Interfaces:
org.datanucleus.store.schema.MapStoreSchemaData, org.datanucleus.store.schema.StoreSchemaData

public class JDBCTypeInfo
extends java.lang.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
JDBCTypeInfo(short type)
           
 
Method Summary
 void addChild(org.datanucleus.store.schema.StoreSchemaData child)
          Add a SQL type for this JDBC type.
 void addProperty(java.lang.String name, java.lang.Object value)
          Method to add a property for the type.
 void clearChildren()
          Method to remove all children.
 boolean equals(java.lang.Object obj)
          Indicates whether some object is "equal to" this one.
 org.datanucleus.store.schema.StoreSchemaData getChild(java.lang.String key)
          Accessor for the SQL type with this type name (if supported for this JDBC type).
 java.util.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.
 java.lang.Object getProperty(java.lang.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.
 java.lang.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(java.lang.String name,
                        java.lang.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 java.lang.Object getProperty(java.lang.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(java.lang.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 java.util.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(java.lang.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 java.lang.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 java.lang.Object
Returns:
a hash code value for this object.

toString

public java.lang.String toString()
Returns the string representation of this object.

Overrides:
toString in class java.lang.Object
Returns:
string representation of this object.


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