Package org.dellroad.querystream.jpa

Interface PathValue<X,S extends Path<X>>

All Superinterfaces:

ExprStream<X,S>, ExprValue<X,S>, PathStream<X,S>, QueryConfigurer<AbstractQuery<?>,X,S>, QueryStream<X,S,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>, SearchStream<X,S>, SearchValue<X,S>

All Known Subinterfaces:

FromValue<X,S>, RootValue<X>

public interface PathValue<X,S extends Path<X>>
extends ExprValue<X,S>, PathStream<X,S>

A PathStream that is guaranteed to return at most a single result.

Nested Class Summary

Nested classes/interfaces inherited from interface org.dellroad.querystream.jpa.QueryStream

QueryStream.Builder

Method Summary

Modifier and Type	Method	Description
PathValue<X,S>	bind(Ref<X,? super S> ref)	Bind an unbound reference to the items in this stream.
<X2, S2 extends Selection<X2>> PathValue<X,S>	bind(Ref<X2,? super S2> ref, Function<? super S,? extends S2> refFunction)	Bind an unbound reference to the result of applying the given function to the items in this stream.
PathValue<X,S>	filter(SingularAttribute<? super X,Boolean> attribute)	Filter results using the specified boolean property.
PathValue<X,S>	filter(Function<? super S,? extends Expression<Boolean>> predicateBuilder)	Filter results using the boolean expression produced by the given function.
PathValue<X,S>	peek(Consumer<? super S> peeker)	Peek at the items in this stream.
PathValue<X,S>	withFetchGraph(String name)	Configure a fetch graph for this query.
PathValue<X,S>	withFlushMode(FlushModeType flushMode)	Set the FlushModeType associated with this query.
PathValue<X,S>	withHint(String name, Object value)	Associate a hint with this query.
PathValue<X,S>	withHints(Map<String,Object> hints)	Associate hints with this query.
PathValue<X,S>	withLoadGraph(String name)	Configure a load graph for this query.
PathValue<X,S>	withLockMode(LockModeType lockMode)	Set the LockModeType associated with this query.
PathValue<X,S>	withParam(Parameter<Calendar> parameter, Calendar value, TemporalType temporalType)	Bind the value of a query parameter of type Calendar.
PathValue<X,S>	withParam(Parameter<Date> parameter, Date value, TemporalType temporalType)	Bind the value of a query parameter of type Date.
<T> PathValue<X,S>	withParam(Parameter<T> parameter, T value)	Bind the value of a query parameter.
PathValue<X,S>	withParams(Iterable<? extends ParamBinding<?>> params)	Associate parameter bindings with this query.

Methods inherited from interface org.dellroad.querystream.jpa.ExprStream

asSubquery, count, countDistinct, exists

Methods inherited from interface org.dellroad.querystream.jpa.ExprValue

map, map, map, map, mapToDouble, mapToDouble, mapToExpr, mapToFrom, mapToInt, mapToInt, mapToLong, mapToLong, mapToPath

Methods inherited from interface org.dellroad.querystream.jpa.PathStream

addRoot, cast, distinct, fetch, fetch, fetch, fetch, findAny, findFirst, findSingle, groupBy, groupBy, groupBy, groupByMulti, having, limit, orderBy, orderBy, orderBy, orderBy, orderBy, orderBy, orderByMulti, skip, thenOrderBy, thenOrderBy, thenOrderBy, thenOrderBy

Methods inherited from interface org.dellroad.querystream.jpa.QueryConfigurer

configure

Methods inherited from interface org.dellroad.querystream.jpa.QueryStream

getEntityManager, getFirstResult, getFlushMode, getHints, getLockMode, getMaxResults, getParams, toCriteriaQuery, toQuery

Methods inherited from interface org.dellroad.querystream.jpa.SearchStream

allMatch, allMatch, anyMatch, anyMatch, flatMap, flatMap, flatMap, flatMapKeys, flatMapValues, getQueryType, getResultList, getResultStream, isEmpty, join, join, join, join, join, join, join, join, join, join, join, join, join, join, join, mapToRef, mapToRef, mapToRef, mapToRef, mapToRoot, noneMatch, noneMatch

Methods inherited from interface org.dellroad.querystream.jpa.SearchValue

ifPresent, isPresent, mapToSelection, orElse, orElseGet, orElseThrow, toOptional, value

Method Details

bind

PathValue<X,S> bind(Ref<X,? super S> ref)

Description copied from interface: QueryStream

Bind an unbound reference to the items in this stream.

Specified by:

bind in interface ExprStream<X,S extends Path<X>>

Specified by:

bind in interface ExprValue<X,S extends Path<X>>

Specified by:

bind in interface PathStream<X,S extends Path<X>>

Specified by:

bind in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

bind in interface SearchStream<X,S extends Path<X>>

Specified by:

bind in interface SearchValue<X,S extends Path<X>>

Parameters:

ref - unbound reference

Returns:

new stream that binds ref

peek

PathValue<X,S> peek(Consumer<? super S> peeker)

Description copied from interface: QueryStream

Peek at the items in this stream.

This is useful in cases where the selection can be modified, e.g., setting join ON conditions using Join.on().

Specified by:

peek in interface ExprStream<X,S extends Path<X>>

Specified by:

peek in interface ExprValue<X,S extends Path<X>>

Specified by:

peek in interface PathStream<X,S extends Path<X>>

Specified by:

peek in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

peek in interface SearchStream<X,S extends Path<X>>

Specified by:

peek in interface SearchValue<X,S extends Path<X>>

Parameters:

peeker - peeker into stream

Returns:

new stream that peeks into this stream

bind

<X2,
S2 extends Selection<X2>> PathValue<X,S> bind(Ref<X2,? super S2> ref,
 Function<? super S,? extends S2> refFunction)

Description copied from interface: QueryStream

Bind an unbound reference to the result of applying the given function to the items in this stream.

Specified by:

bind in interface ExprStream<X,S extends Path<X>>

Specified by:

bind in interface ExprValue<X,S extends Path<X>>

Specified by:

bind in interface PathStream<X,S extends Path<X>>

Specified by:

bind in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

bind in interface SearchStream<X,S extends Path<X>>

Specified by:

bind in interface SearchValue<X,S extends Path<X>>

Type Parameters:

X2 - type of the bound value

S2 - criteria type of the bound value

Parameters:

ref - unbound reference

refFunction - function mapping this stream's Selection to the reference value

Returns:

new stream that binds ref

filter

PathValue<X,S> filter(SingularAttribute<? super X,Boolean> attribute)

Description copied from interface: QueryStream

Filter results using the specified boolean property.

Adds to any previously specified filters.

Specified by:

filter in interface ExprStream<X,S extends Path<X>>

Specified by:

filter in interface ExprValue<X,S extends Path<X>>

Specified by:

filter in interface PathStream<X,S extends Path<X>>

Specified by:

filter in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

filter in interface SearchStream<X,S extends Path<X>>

Specified by:

filter in interface SearchValue<X,S extends Path<X>>

Parameters:

attribute - boolean property

Returns:

new filtered stream

filter

PathValue<X,S> filter(Function<? super S,? extends Expression<Boolean>> predicateBuilder)

Description copied from interface: QueryStream

Filter results using the boolean expression produced by the given function.

Adds to any previously specified filters.

Specified by:

filter in interface ExprStream<X,S extends Path<X>>

Specified by:

filter in interface ExprValue<X,S extends Path<X>>

Specified by:

filter in interface PathStream<X,S extends Path<X>>

Specified by:

filter in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

filter in interface SearchStream<X,S extends Path<X>>

Specified by:

filter in interface SearchValue<X,S extends Path<X>>

Parameters:

predicateBuilder - function mapping this stream's item to a boolean Expression

Returns:

new filtered stream

withFlushMode

PathValue<X,S> withFlushMode(FlushModeType flushMode)

Description copied from interface: QueryStream

Set the FlushModeType associated with this query.

Specified by:

withFlushMode in interface ExprStream<X,S extends Path<X>>

Specified by:

withFlushMode in interface ExprValue<X,S extends Path<X>>

Specified by:

withFlushMode in interface PathStream<X,S extends Path<X>>

Specified by:

withFlushMode in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

withFlushMode in interface SearchStream<X,S extends Path<X>>

Specified by:

withFlushMode in interface SearchValue<X,S extends Path<X>>

Parameters:

flushMode - new flush mode

Returns:

new stream with the specified flush mode configured

See Also:

• Query.setFlushMode(jakarta.persistence.FlushModeType)

withLockMode

PathValue<X,S> withLockMode(LockModeType lockMode)

Description copied from interface: QueryStream

Set the LockModeType associated with this query.

Specified by:

withLockMode in interface ExprStream<X,S extends Path<X>>

Specified by:

withLockMode in interface ExprValue<X,S extends Path<X>>

Specified by:

withLockMode in interface PathStream<X,S extends Path<X>>

Specified by:

withLockMode in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

withLockMode in interface SearchStream<X,S extends Path<X>>

Specified by:

withLockMode in interface SearchValue<X,S extends Path<X>>

Parameters:

lockMode - new lock mode

Returns:

new stream with the specified lock mode configured

See Also:

• Query.setLockMode(jakarta.persistence.LockModeType)

withHint

PathValue<X,S> withHint(String name,
 Object value)

Description copied from interface: QueryStream

Associate a hint with this query.

Specified by:

withHint in interface ExprStream<X,S extends Path<X>>

Specified by:

withHint in interface ExprValue<X,S extends Path<X>>

Specified by:

withHint in interface PathStream<X,S extends Path<X>>

Specified by:

withHint in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

withHint in interface SearchStream<X,S extends Path<X>>

Specified by:

withHint in interface SearchValue<X,S extends Path<X>>

Parameters:

name - name of hint

value - value of hint

Returns:

new stream with the specified hint configured

See Also:

• Query.setHint(java.lang.String, java.lang.Object)

withHints

PathValue<X,S> withHints(Map<String,Object> hints)

Description copied from interface: QueryStream

Associate hints with this query.

Specified by:

withHints in interface ExprStream<X,S extends Path<X>>

Specified by:

withHints in interface ExprValue<X,S extends Path<X>>

Specified by:

withHints in interface PathStream<X,S extends Path<X>>

Specified by:

withHints in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

withHints in interface SearchStream<X,S extends Path<X>>

Specified by:

withHints in interface SearchValue<X,S extends Path<X>>

Parameters:

hints - hints to add

Returns:

new stream with the specified hints added

See Also:

• Query.setHint(java.lang.String, java.lang.Object)

withParam

<T> PathValue<X,S> withParam(Parameter<T> parameter,
 T value)

Description copied from interface: QueryStream

Bind the value of a query parameter.

Replaces any previous binding of the same parameter.

Specified by:

withParam in interface ExprStream<X,S extends Path<X>>

Specified by:

withParam in interface ExprValue<X,S extends Path<X>>

Specified by:

withParam in interface PathStream<X,S extends Path<X>>

Specified by:

withParam in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

withParam in interface SearchStream<X,S extends Path<X>>

Specified by:

withParam in interface SearchValue<X,S extends Path<X>>

Type Parameters:

T - parameter value type

Parameters:

parameter - the parameter to set

value - parameter value

Returns:

new stream with the specified parameter value set

See Also:

• Query.setParameter(Parameter, Object)

withParam

PathValue<X,S> withParam(Parameter<Date> parameter,
 Date value,
 TemporalType temporalType)

Description copied from interface: QueryStream

Bind the value of a query parameter of type Date.

Replaces any previous binding of the same parameter.

Specified by:

withParam in interface ExprStream<X,S extends Path<X>>

Specified by:

withParam in interface ExprValue<X,S extends Path<X>>

Specified by:

withParam in interface PathStream<X,S extends Path<X>>

Specified by:

withParam in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

withParam in interface SearchStream<X,S extends Path<X>>

Specified by:

withParam in interface SearchValue<X,S extends Path<X>>

Parameters:

parameter - the parameter to set

value - parameter value

temporalType - temporal type for value

Returns:

new stream with the specified parameter value set

See Also:

• Query.setParameter(Parameter, Date, TemporalType)

withParam

PathValue<X,S> withParam(Parameter<Calendar> parameter,
 Calendar value,
 TemporalType temporalType)

Description copied from interface: QueryStream

Bind the value of a query parameter of type Calendar.

Replaces any previous binding of the same parameter.

Specified by:

withParam in interface ExprStream<X,S extends Path<X>>

Specified by:

withParam in interface ExprValue<X,S extends Path<X>>

Specified by:

withParam in interface PathStream<X,S extends Path<X>>

Specified by:

withParam in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

withParam in interface SearchStream<X,S extends Path<X>>

Specified by:

withParam in interface SearchValue<X,S extends Path<X>>

Parameters:

parameter - the parameter to set

value - parameter value

temporalType - temporal type for value

Returns:

new stream with the specified parameter value set

See Also:

• Query.setParameter(Parameter, Calendar, TemporalType)

withParams

PathValue<X,S> withParams(Iterable<? extends ParamBinding<?>> params)

Description copied from interface: QueryStream

Associate parameter bindings with this query.

Replaces any previous bindings of the same parameters.

Specified by:

withParams in interface ExprStream<X,S extends Path<X>>

Specified by:

withParams in interface ExprValue<X,S extends Path<X>>

Specified by:

withParams in interface PathStream<X,S extends Path<X>>

Specified by:

withParams in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

withParams in interface SearchStream<X,S extends Path<X>>

Specified by:

withParams in interface SearchValue<X,S extends Path<X>>

Parameters:

params - bindings to add

Returns:

new stream with the specified parameter bindings added

See Also:

• Query.setParameter(Parameter, Object)

withLoadGraph

PathValue<X,S> withLoadGraph(String name)

Description copied from interface: QueryStream

Configure a load graph for this query.

Equivalent to withHint("jakarta.persistence.loadgraph", name).

Specified by:

withLoadGraph in interface ExprStream<X,S extends Path<X>>

Specified by:

withLoadGraph in interface ExprValue<X,S extends Path<X>>

Specified by:

withLoadGraph in interface PathStream<X,S extends Path<X>>

Specified by:

withLoadGraph in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

withLoadGraph in interface SearchStream<X,S extends Path<X>>

Specified by:

withLoadGraph in interface SearchValue<X,S extends Path<X>>

Parameters:

name - name of load graph

Returns:

new stream with the specified load graph configured

withFetchGraph

PathValue<X,S> withFetchGraph(String name)

Description copied from interface: QueryStream

Configure a fetch graph for this query.

Equivalent to withHint("jakarta.persistence.fetchgraph", name).

Specified by:

withFetchGraph in interface ExprStream<X,S extends Path<X>>

Specified by:

withFetchGraph in interface ExprValue<X,S extends Path<X>>

Specified by:

withFetchGraph in interface PathStream<X,S extends Path<X>>

Specified by:

withFetchGraph in interface QueryStream<X,S extends Path<X>,AbstractQuery<?>,CriteriaQuery<X>,TypedQuery<X>>

Specified by:

withFetchGraph in interface SearchStream<X,S extends Path<X>>

Specified by:

withFetchGraph in interface SearchValue<X,S extends Path<X>>

Parameters:

name - name of fetch graph

Returns:

new stream with the specified fetch graph configured