com.mysema.query

Interface QueryMetadata

All Superinterfaces:

Serializable

All Known Implementing Classes:

DefaultQueryMetadata, EmptyMetadata, OrderedQueryMetadata

public interface QueryMetadata
extends Serializable

QueryMetadata defines query metadata such as query sources, filtering conditions and the projection

Author:

tiwe

Method Summary

Methods

Modifier and Type	Method and Description
void	addFlag(QueryFlag flag)
void	addGroupBy(Expression<?> o) Add the given group by expressions
void	addHaving(Predicate o) Add the given having expressions
void	addJoin(JoinType joinType, Expression<?> expr) Add the given query join
void	addJoinCondition(Predicate o) Add the given join condition to the last given join
void	addJoinFlag(JoinFlag flag) Add the given join flag to the last given join
void	addOrderBy(OrderSpecifier<?> o) Add the given order specifiers
void	addProjection(Expression<?> o) Add the given projections
void	addWhere(Predicate o) Add the given where expressions
void	clearOrderBy() Clear the order expressions
void	clearProjection() Clear the projection
void	clearWhere() Clear the where expressions
QueryMetadata	clone() Clone this QueryMetadata instance
Set<QueryFlag>	getFlags()
List<Expression<?>>	getGroupBy() Get the group by expressions
Predicate	getHaving() Get the having expressions
List<JoinExpression>	getJoins() Get the query joins
QueryModifiers	getModifiers() Get the QueryModifiers
List<OrderSpecifier<?>>	getOrderBy() Get the OrderSpecifiers
Map<ParamExpression<?>,Object>	getParams() Get the parameters
List<Expression<?>>	getProjection() Get the projection
Predicate	getWhere() Get the expressions aggregated into a single boolean expression or null, if none where defined
boolean	hasFlag(QueryFlag flag)
boolean	isDistinct() Get whether the projection is distinct
boolean	isUnique() Get whether the projection is unique
void	reset() Reset the projection
void	setDistinct(boolean distinct)
void	setLimit(Long limit)
void	setModifiers(QueryModifiers restriction)
void	setOffset(Long offset)
<T> void	setParam(ParamExpression<T> param, T value)
void	setUnique(boolean unique)
void	setValidate(boolean v)

Method Detail

addGroupBy

void addGroupBy(Expression<?> o)

Add the given group by expressions

Parameters:

o -

addHaving

void addHaving(Predicate o)

Add the given having expressions

Parameters:

o -

addJoin

void addJoin(JoinType joinType,
           Expression<?> expr)

Add the given query join

Parameters:

joinType -

expr -

addJoinFlag

void addJoinFlag(JoinFlag flag)

Add the given join flag to the last given join

Parameters:

flag -

addJoinCondition

void addJoinCondition(Predicate o)

Add the given join condition to the last given join

Parameters:

o -

addOrderBy

void addOrderBy(OrderSpecifier<?> o)

Add the given order specifiers

Parameters:

o -

addProjection

void addProjection(Expression<?> o)

Add the given projections

Parameters:

o -

addWhere

void addWhere(Predicate o)

Add the given where expressions

Parameters:

o -

clearOrderBy

void clearOrderBy()

Clear the order expressions

clearProjection

void clearProjection()

Clear the projection

clearWhere

void clearWhere()

Clear the where expressions

clone

QueryMetadata clone()

Clone this QueryMetadata instance

Returns:

getGroupBy

List<Expression<?>> getGroupBy()

Get the group by expressions

Returns:

getHaving

Predicate getHaving()

Get the having expressions

Returns:

getJoins

List<JoinExpression> getJoins()

Get the query joins

Returns:

getModifiers

QueryModifiers getModifiers()

Get the QueryModifiers

Returns:

getOrderBy

List<OrderSpecifier<?>> getOrderBy()

Get the OrderSpecifiers

Returns:

getProjection

List<Expression<?>> getProjection()

Get the projection

Returns:

getParams

Map<ParamExpression<?>,Object> getParams()

Get the parameters

Returns:

getWhere

@Nullable
Predicate getWhere()

Get the expressions aggregated into a single boolean expression or null, if none where defined

Returns:

isDistinct

boolean isDistinct()

Get whether the projection is distinct

Returns:

isUnique

boolean isUnique()

Get whether the projection is unique

Returns:

reset

void reset()

Reset the projection

setDistinct

void setDistinct(boolean distinct)

Parameters:

distinct -

setLimit

void setLimit(@Nullable
            Long limit)

Parameters:

limit -

setModifiers

void setModifiers(QueryModifiers restriction)

Parameters:

restriction -

setOffset

void setOffset(@Nullable
             Long offset)

Parameters:

offset -

setUnique

void setUnique(boolean unique)

Parameters:

unique -

setParam

<T> void setParam(ParamExpression<T> param,
                T value)

Type Parameters:

T -

Parameters:

param -

value -

addFlag

void addFlag(QueryFlag flag)

Parameters:

flag -

hasFlag

boolean hasFlag(QueryFlag flag)

Parameters:

flag -

Returns:

getFlags

Set<QueryFlag> getFlags()

Returns:

setValidate

void setValidate(boolean v)

Parameters:

v -