Package overit.geocall.sql.code.fragment

Class DoubleFragment

java.lang.Object

overit.geocall.sql.code.fragment.DoubleFragment

Direct Known Subclasses:

DoubleFragmentSequence, ValueFragment, ValuesFragment

public abstract class DoubleFragment
extends Object

The class represent a double piece of SQL string.

Field Summary

Fields

Modifier and Type	Field	Description
protected Criterion	_criterion

Constructor Summary

Constructors

Constructor	Description
DoubleFragment()

Method Summary

Modifier and Type	Method	Description
void	addCriterion(Criterion criterion)	Adds a prioritized criterion.
abstract boolean	appendTo(StringBuilder sb1, String header1, StringBuilder sb2, String header2, Criterion criterion, Map<String,Object> context)	This method is used to create the double Fragment's SQL string.
Criterion	getCriterion(Criterion def)	Gets the current set Criterion.
void	replaceCriterion(Criterion criterion)	Replace the oldest Criterion with a new one.
String	toString(Criterion criterion, Map<String,Object> context)

Methods inherited from class java.lang.Object

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

Field Details

_criterion

protected Criterion _criterion

Constructor Details

DoubleFragment

public DoubleFragment()

Method Details

addCriterion

public void addCriterion(Criterion criterion)

Adds a prioritized criterion.

Parameters:

criterion - the priority criterion to be addes to the current criterion

replaceCriterion

public void replaceCriterion(Criterion criterion)

Replace the oldest Criterion with a new one.

Parameters:

criterion - The new Criterion to set.

getCriterion

public Criterion getCriterion(Criterion def)

Gets the current set Criterion.

Parameters:

def - The default object to return if there's no Criterion set.

Returns:

The current Criterion if it's set, def otherwise.

appendTo

public abstract boolean appendTo(StringBuilder sb1,
 String header1,
 StringBuilder sb2,
 String header2,
 Criterion criterion,
 Map<String,Object> context)

This method is used to create the double Fragment's SQL string.

Parameters:

sb1 - The StringBuilder used to add the first piece (Fragment) of SQL code, to create the complete SQL string.

header1 - The string previus the first Fragment's code.

sb2 - The StringBuilder used to add the second piece (Fragment) of SQL code, to create the complete SQL string.

header2 - The string previus the second Fragment's code.

criterion - The Criterion, set by default, to apply.

context - The input values to define the clauses of the sql string.

Returns:

true if there's a Fragment to add, false otherwise.

toString

public String toString(Criterion criterion,
 Map<String,Object> context)