edu.unh.sdb.common
Class RecordDescriptorBuilder

java.lang.Object
  edu.unh.sdb.common.UserTypeBuilder
      edu.unh.sdb.common.RecordDescriptorBuilder

public class RecordDescriptorBuilder
extends UserTypeBuilder

Manufactures Record Descriptor objects. Hold relevant data and validates before instantiating the appropriate objects.

Field Summary

protected java.util.Vector	fieldNames Declares a vector to hold the field name strings
protected java.util.Vector	fieldTypes Declares a vector to hold the field type strings

Fields inherited from class edu.unh.sdb.common.UserTypeBuilder

storageType

Constructor Summary

RecordDescriptorBuilder(java.lang.String n)
Default constructor takes a string name and array of attributes (fields)

RecordDescriptorBuilder(java.lang.String n, AttributeDescriptor[] attrs)
Overridden constructor takes a string name and array of attributes (fields)

RecordDescriptorBuilder(java.lang.String n, TypeTable types, AttributeDescriptor[] attrs)
Overridden constructor takes a string name, string storage type, a low/high range and an exceptional value.

Method Summary

void	addField(java.lang.String n, java.lang.String t) adds a field name and type to the list for the pending record descriptor
AttributeDescriptor[]	getAttributes() Gets the attributes for this RD
TypeTable	getTypes() Returns the type table.
UserType	makeUserType() Returns a UserType object that has been instantiated as a RangedUserType object.
void	setAttributes(AttributeDescriptor[] a) Sets the attributes to cloned objects passed in the argument
void	setTypes(TypeTable t) Sets the type table.
java.lang.String	toString() diagnostic utility method for dumping this class to a string

Methods inherited from class edu.unh.sdb.common.UserTypeBuilder

getName, getStorageTypeName, getStorageTypeValue, setName, setStorageType, setStorageType

Methods inherited from class java.lang.Object

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

Field Detail

fieldNames

protected java.util.Vector fieldNames

Declares a vector to hold the field name strings

fieldTypes

protected java.util.Vector fieldTypes

Declares a vector to hold the field type strings

Constructor Detail

RecordDescriptorBuilder

public RecordDescriptorBuilder(java.lang.String n)

Default constructor takes a string name and array of attributes (fields)

RecordDescriptorBuilder

public RecordDescriptorBuilder(java.lang.String n,
                               AttributeDescriptor[] attrs)

Overridden constructor takes a string name and array of attributes (fields)

RecordDescriptorBuilder

public RecordDescriptorBuilder(java.lang.String n,
                               TypeTable types,
                               AttributeDescriptor[] attrs)

Overridden constructor takes a string name, string storage type, a low/high range and an exceptional value.

Method Detail

setTypes

public void setTypes(TypeTable t)

Sets the type table.

getTypes

public TypeTable getTypes()

Returns the type table.

setAttributes

public void setAttributes(AttributeDescriptor[] a)

Sets the attributes to cloned objects passed in the argument

getAttributes

public AttributeDescriptor[] getAttributes()

Gets the attributes for this RD

addField

public void addField(java.lang.String n,
                     java.lang.String t)

adds a field name and type to the list for the pending record descriptor

makeUserType

public UserType makeUserType()

Returns a UserType object that has been instantiated as a RangedUserType object. If unable to create the object a null Type object will be returned.

Overrides:

makeUserType in class UserTypeBuilder

toString

public java.lang.String toString()

diagnostic utility method for dumping this class to a string

Overrides:

toString in class UserTypeBuilder