org.nuiton.topia.persistence

Class HqlAndParametersBuilder<E extends TopiaEntity>

java.lang.Object

org.nuiton.topia.persistence.HqlAndParametersBuilder<E>

public class HqlAndParametersBuilder<E extends TopiaEntity>
extends Object

A builder to create syntactically correct HQL and associated parameters given properties or after various constraint adds.

It may be used in a Dao to ease dynamic construction of queries.

Since:

3.0

Field Summary

Fields

Modifier and Type	Field and Description
protected String	alias
protected Class<E>	entityClass
protected com.google.common.base.Joiner	hqlClausesJoiner
protected Set<String>	orderByArguments
protected Map<String,Object>	parameters
protected String	selectClause
protected Set<String>	whereClauses

Constructor Summary

Constructors

Constructor and Description
HqlAndParametersBuilder(Class<E> entityClass)
HqlAndParametersBuilder(Class<E> entityClass, String alias)

Method Summary

Methods

Modifier and Type	Method and Description
void	addCollectionIsEmpty(String property)
void	addCollectionIsNotEmpty(String property)
void	addContains(String property, Object value)
void	addEquals(String property, Object value)
void	addGreaterOrEquals(String property, Date date)
void	addGreaterOrEquals(String property, Number number)
void	addGreaterOrEquals(String property, String string)
void	addGreaterThan(String property, Date date)
void	addGreaterThan(String property, Number number)
void	addGreaterThan(String property, String string)
void	addIn(String property, Collection<?> values)
protected void	addInOrNotIn(String property, Collection<?> values, boolean in)
void	addLike(String property, String pattern)
void	addLowerOrEquals(String property, Date date)
void	addLowerOrEquals(String property, Number number)
void	addLowerOrEquals(String property, String string)
void	addLowerThan(String property, Date date)
void	addLowerThan(String property, Number number)
void	addLowerThan(String property, String string)
void	addNotContains(String property, Object value)
void	addNotEquals(String property, Object value)
void	addNotIn(String property, Collection<?> values)
void	addNotLike(String property, String pattern)
void	addNotNull(String property)
void	addNull(String property)
void	addTopiaIdEquals(String property, String topiaId)
void	addTopiaIdIn(String property, Collection<String> topiaIds)
void	addTopiaIdNotEquals(String property, String topiaId)
void	addTopiaIdNotIn(String property, Collection<String> topiaIds)
void	addWhereClause(String whereClause)
void	addWhereClause(String whereClause, Map<String,Object> hqlParameters)
protected void	doAddGreaterOrEquals(String property, Object value)
protected void	doAddGreaterThan(String property, Object value)
protected void	doAddLowerOrEquals(String property, Object value)
protected void	doAddLowerThan(String property, Object value)
String	getAlias()
String	getHql()
String	getHqlFromClause()
String	getHqlOrderByClause()
Map<String,Object>	getHqlParameters()
String	getHqlSelectClause()
String	getHqlWhereClause()
protected String	getParameterName(String propertyName) Converts a (nested) property name to an HQL argument name.
Set<String>	getWhereClauses()
boolean	isOrderByClausePresent()
protected String	putHqlParameterWithAvailableName(String propertyName, Object value) Add a parameter in the parameters map searching with the suitable parameter name in order to prevent conflicts.
void	setAlias(String alias) Deprecated. use constructor, alias should not be changed
void	setOrderByArguments(Set<String> orderByArguments)
void	setOrderByArguments(String... orderByArguments)
void	setParameters(Map<String,Object> parameters)
void	setSelectClause(String selectClause)
void	setWhereClauses(Set<String> whereClauses)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

hqlClausesJoiner

protected com.google.common.base.Joiner hqlClausesJoiner

entityClass

protected Class<E extends TopiaEntity> entityClass

selectClause

protected String selectClause

whereClauses

protected Set<String> whereClauses

alias

protected String alias

orderByArguments

protected Set<String> orderByArguments

parameters

protected Map<String,Object> parameters

Constructor Detail

HqlAndParametersBuilder

public HqlAndParametersBuilder(Class<E> entityClass)

HqlAndParametersBuilder

public HqlAndParametersBuilder(Class<E> entityClass,
                       String alias)

Method Detail

setAlias

@Deprecated
public void setAlias(String alias)

Deprecated. use constructor, alias should not be changed

getAlias

public String getAlias()

getHqlSelectClause

public String getHqlSelectClause()

setSelectClause

public void setSelectClause(String selectClause)

addNull

public void addNull(String property)

addNotNull

public void addNotNull(String property)

addEquals

public void addEquals(String property,
             Object value)

addNotEquals

public void addNotEquals(String property,
                Object value)

addIn

public void addIn(String property,
         Collection<?> values)

addNotIn

public void addNotIn(String property,
            Collection<?> values)

addInOrNotIn

protected void addInOrNotIn(String property,
                Collection<?> values,
                boolean in)

Parameters:

in - true if property value must be in given collection, false if value must not be in given collection

addTopiaIdEquals

public void addTopiaIdEquals(String property,
                    String topiaId)

addTopiaIdIn

public void addTopiaIdIn(String property,
                Collection<String> topiaIds)

addTopiaIdNotEquals

public void addTopiaIdNotEquals(String property,
                       String topiaId)

addTopiaIdNotIn

public void addTopiaIdNotIn(String property,
                   Collection<String> topiaIds)

addContains

public void addContains(String property,
               Object value)

addNotContains

public void addNotContains(String property,
                  Object value)

addLike

public void addLike(String property,
           String pattern)

addNotLike

public void addNotLike(String property,
              String pattern)

addLowerThan

public void addLowerThan(String property,
                Date date)

addLowerOrEquals

public void addLowerOrEquals(String property,
                    Date date)

addGreaterThan

public void addGreaterThan(String property,
                  Date date)

addGreaterOrEquals

public void addGreaterOrEquals(String property,
                      Date date)

addLowerThan

public void addLowerThan(String property,
                Number number)

addLowerOrEquals

public void addLowerOrEquals(String property,
                    Number number)

addGreaterThan

public void addGreaterThan(String property,
                  Number number)

addGreaterOrEquals

public void addGreaterOrEquals(String property,
                      Number number)

addLowerThan

public void addLowerThan(String property,
                String string)

addLowerOrEquals

public void addLowerOrEquals(String property,
                    String string)

addGreaterThan

public void addGreaterThan(String property,
                  String string)

addGreaterOrEquals

public void addGreaterOrEquals(String property,
                      String string)

doAddLowerThan

protected void doAddLowerThan(String property,
                  Object value)

doAddLowerOrEquals

protected void doAddLowerOrEquals(String property,
                      Object value)

doAddGreaterThan

protected void doAddGreaterThan(String property,
                    Object value)

doAddGreaterOrEquals

protected void doAddGreaterOrEquals(String property,
                        Object value)

addWhereClause

public void addWhereClause(String whereClause)

addCollectionIsEmpty

public void addCollectionIsEmpty(String property)

addCollectionIsNotEmpty

public void addCollectionIsNotEmpty(String property)

addWhereClause

public void addWhereClause(String whereClause,
                  Map<String,Object> hqlParameters)

setWhereClauses

public void setWhereClauses(Set<String> whereClauses)

getWhereClauses

public Set<String> getWhereClauses()

setParameters

public void setParameters(Map<String,Object> parameters)

setOrderByArguments

public void setOrderByArguments(Set<String> orderByArguments)

setOrderByArguments

public void setOrderByArguments(String... orderByArguments)

getHqlFromClause

public String getHqlFromClause()

getHqlWhereClause

public String getHqlWhereClause()

getHqlOrderByClause

public String getHqlOrderByClause()

getHql

public String getHql()

getParameterName

protected String getParameterName(String propertyName)

Converts a (nested) property name to an HQL argument name.

For example getParameterName("yearlyDeclaration.survey.topiaId") → "yearlyDeclarationSurveyTopiaId"

Parameters:

propertyName - the name of a property, can be a path to a nested property

Returns:

a string that can syntactically be used as an HQL parameter name, not prefixed by ':'

putHqlParameterWithAvailableName

protected String putHqlParameterWithAvailableName(String propertyName,
                                      Object value)

Add a parameter in the parameters map searching with the suitable parameter name in order to prevent conflicts.

Returns:

the found key where the parameter has been added, suitable to use in the where clause

getHqlParameters

public Map<String,Object> getHqlParameters()

isOrderByClausePresent

public boolean isOrderByClausePresent()

toString

public String toString()

Overrides:

toString in class Object