de.schwarzrot.data.access.support
Class AbstractConditionElement

java.lang.Object
  de.schwarzrot.data.access.support.AbstractConditionElement

All Implemented Interfaces:

ConditionElement

Direct Known Subclasses:

AbstractFunctionCondtion, AlternatingSequence, EqualConditionElement, InListConditionElement, LowerBoundConditionElement, NotEqualConditionElement, SearchConditionElement, UpperBoundConditionElement

public abstract class AbstractConditionElement
extends Object
implements ConditionElement

abstract helper class for convenience of creation of ConditionElement s.

Author:

Reinhard Mantey

Field Summary

protected static ConverterFactory	cnvFactory
protected static String	EMPTY_STRING

Constructor Summary

AbstractConditionElement()
default constructor for automated building

AbstractConditionElement(String name, Object value)
constructor for manual setup, so both instance variables could be set

Method Summary

String	format(EntityDescriptor ed, DbUtil du) format the condition text with given parameters
String	format(EntityDescriptor ed, PropertyInfo pi, DbUtil du, Object physValue) format the condition text with the given parameters
String	getCloseOperator() returns the operator, that closes a condition.
String	getName() returns the property name used in the condition
String	getSeparator() returns the separator used to assemble sofisticated conditions.
Object	getValue() returns the value of this condition
void	setName(String name) sets the property name of this condition
void	setValue(Object value) sets the value used by this condition

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.schwarzrot.data.access.support.ConditionElement

getOpenOperator

Field Detail

EMPTY_STRING

protected static final String EMPTY_STRING

cnvFactory

protected static ConverterFactory cnvFactory

Constructor Detail

AbstractConditionElement

public AbstractConditionElement()

default constructor for automated building

AbstractConditionElement

public AbstractConditionElement(String name,
                                Object value)

constructor for manual setup, so both instance variables could be set

Parameters:

name - the property name of this condition

value - the value for this condition

Method Detail

format

public String format(EntityDescriptor ed,
                     DbUtil du)

Description copied from interface: ConditionElement

format the condition text with given parameters

Specified by:

format in interface ConditionElement

Parameters:

ed - - type of involved entity

du - - the involved utility instance

Returns:

- the condition string ready to use in sql

format

public String format(EntityDescriptor ed,
                     PropertyInfo pi,
                     DbUtil du,
                     Object physValue)

Description copied from interface: ConditionElement

format the condition text with the given parameters

Specified by:

format in interface ConditionElement

Parameters:

ed - - the type of the involved entity

pi - - the description of the property

du - - the involved utility instance

physValue - - the physical values bound to this condition

Returns:

- the condition string ready to use in sql

getCloseOperator

public String getCloseOperator()

Description copied from interface: ConditionElement

returns the operator, that closes a condition. For simple conditions this call will return an empty string only.

Specified by:

getCloseOperator in interface ConditionElement

Returns:

an operator

See Also:

ConditionElement.getOpenOperator()

getName

public final String getName()

Description copied from interface: ConditionElement

returns the property name used in the condition

Specified by:

getName in interface ConditionElement

Returns:

a property name

getSeparator

public String getSeparator()

Description copied from interface: ConditionElement

returns the separator used to assemble sofisticated conditions. For simple conditions, this call will return an empty string only.

Specified by:

getSeparator in interface ConditionElement

Returns:

a separator

getValue

public Object getValue()

Description copied from interface: ConditionElement

returns the value of this condition

Specified by:

getValue in interface ConditionElement

Returns:

a value

setName

public final void setName(String name)

Description copied from interface: ConditionElement

sets the property name of this condition

Specified by:

setName in interface ConditionElement

Parameters:

name - a property name

setValue

public final void setValue(Object value)

Description copied from interface: ConditionElement

sets the value used by this condition

Specified by:

setValue in interface ConditionElement

Parameters:

value - - the raw value to be used by the condition