org.fryske_akademy.ejb

Class JpqlBuilderImpl

java.lang.Object

org.fryske_akademy.ejb.JpqlBuilderImpl

All Implemented Interfaces:

JpqlBuilder

public class JpqlBuilderImpl
extends Object
implements JpqlBuilder

Author:

eduard

Nested Class Summary

Nested classes/interfaces inherited from interface org.fryske_akademy.ejb.JpqlBuilder

JpqlBuilder.SORTORDER

Field Summary

Fields

Modifier and Type	Field and Description
static String	TABLE_ALIAS tabel alias used in building where and order by clause.

Constructor Summary

Constructors

Constructor and Description
JpqlBuilderImpl()

Method Summary

Modifier and Type	Method and Description
String	orderClause(Map<String,JpqlBuilder.SORTORDER> sort) builds an order by clause, uses TABLE_ALIAS as alias for the table
void	setParam(javax.persistence.TypedQuery q, ParamInfo param) Fills parameters prepared in whereParams(javax.persistence.TypedQuery, java.util.List), if the type of the field in the query is a Short or an Integer and the paramValue is a String, it is converted accordingly.
String	whereClause(List<ParamInfo> params) builds a where clause, calls whereCondition(org.fryske_akademy.ejb.ParamInfo) for every entry, uses TABLE_ALIAS as alias for the table
String	whereCondition(ParamInfo param) builds a where condition, prepares ql parameters later filled in whereParams(javax.persistence.TypedQuery, java.util.List)
void	whereParams(javax.persistence.TypedQuery q, List<ParamInfo> params) Calls setParam(javax.persistence.TypedQuery, org.fryske_akademy.ejb.ParamInfo) } for each filter.

Methods inherited from class java.lang.Object

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

Field Detail

TABLE_ALIAS

public static final String TABLE_ALIAS

tabel alias used in building where and order by clause.

See Also:

Constant Field Values

Constructor Detail

JpqlBuilderImpl

public JpqlBuilderImpl()

Method Detail

orderClause

public String orderClause(Map<String,JpqlBuilder.SORTORDER> sort)

builds an order by clause, uses TABLE_ALIAS as alias for the table

Specified by:

orderClause in interface JpqlBuilder

Parameters:

sort -

Returns:

whereClause

public String whereClause(List<ParamInfo> params)

builds a where clause, calls whereCondition(org.fryske_akademy.ejb.ParamInfo) for every entry, uses TABLE_ALIAS as alias for the table

Specified by:

whereClause in interface JpqlBuilder

Parameters:

params -

Returns:

See Also:

JpqlBuilder.whereCondition(org.fryske_akademy.ejb.ParamInfo), JpqlBuilder.whereParams(javax.persistence.TypedQuery, java.util.List)

whereCondition

public String whereCondition(ParamInfo param)

builds a where condition, prepares ql parameters later filled in whereParams(javax.persistence.TypedQuery, java.util.List)

Specified by:

whereCondition in interface JpqlBuilder

Parameters:

param -

Returns:

See Also:

JpqlBuilder.whereParams(javax.persistence.TypedQuery, java.util.List)

whereParams

public void whereParams(javax.persistence.TypedQuery q,
                        List<ParamInfo> params)

Calls setParam(javax.persistence.TypedQuery, org.fryske_akademy.ejb.ParamInfo) } for each filter.

Specified by:

whereParams in interface JpqlBuilder

Parameters:

q -

params -

setParam

public void setParam(javax.persistence.TypedQuery q,
                     ParamInfo param)

Fills parameters prepared in whereParams(javax.persistence.TypedQuery, java.util.List), if the type of the field in the query is a Short or an Integer and the paramValue is a String, it is converted accordingly. Via ParamInfo you have full control over the Object that is used as paramValue

Specified by:

setParam in interface JpqlBuilder

Parameters:

q -

param -