org.springframework.data.r2dbc.repository.query

Class StringBasedR2dbcQuery

java.lang.Object

org.springframework.data.r2dbc.repository.query.AbstractR2dbcQuery

org.springframework.data.r2dbc.repository.query.StringBasedR2dbcQuery

All Implemented Interfaces:

RepositoryQuery

public class StringBasedR2dbcQuery
extends AbstractR2dbcQuery

String-based StringBasedR2dbcQuery implementation.

A StringBasedR2dbcQuery expects a query method to be annotated with Query with a SQL query. Supports named parameters (if enabled on DatabaseClient) and SpEL expressions enclosed with :#{…}.

Author:

Mark Paluch

Constructor Summary

Constructors

Constructor and Description
StringBasedR2dbcQuery(R2dbcQueryMethod queryMethod, R2dbcEntityOperations entityOperations, R2dbcConverter converter, ReactiveDataAccessStrategy dataAccessStrategy, ExpressionParser expressionParser, ReactiveQueryMethodEvaluationContextProvider evaluationContextProvider) Creates a new StringBasedR2dbcQuery for the given StringBasedR2dbcQuery, DatabaseClient, SpelExpressionParser, and QueryMethodEvaluationContextProvider.
StringBasedR2dbcQuery(String query, R2dbcQueryMethod method, R2dbcEntityOperations entityOperations, R2dbcConverter converter, ReactiveDataAccessStrategy dataAccessStrategy, ExpressionParser expressionParser, ReactiveQueryMethodEvaluationContextProvider evaluationContextProvider) Create a new StringBasedR2dbcQuery for the given query, R2dbcQueryMethod, DatabaseClient, SpelExpressionParser, and QueryMethodEvaluationContextProvider.

Method Summary

Modifier and Type	Method and Description
protected reactor.core.publisher.Mono<PreparedOperation<?>>	createQuery(org.springframework.data.relational.repository.query.RelationalParameterAccessor accessor) Creates a BindableQuery instance using the given ParameterAccessor
protected boolean	isCountQuery() Returns whether the query should get a count projection applied.
protected boolean	isExistsQuery() Returns whether the query should get an exists projection applied.
protected boolean	isModifyingQuery() Returns whether this query is a modifying one.
String	toString()

Methods inherited from class org.springframework.data.r2dbc.repository.query.AbstractR2dbcQuery

execute, getQueryMethod

Methods inherited from class java.lang.Object

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

Constructor Detail

StringBasedR2dbcQuery

public StringBasedR2dbcQuery(R2dbcQueryMethod queryMethod,
                             R2dbcEntityOperations entityOperations,
                             R2dbcConverter converter,
                             ReactiveDataAccessStrategy dataAccessStrategy,
                             ExpressionParser expressionParser,
                             ReactiveQueryMethodEvaluationContextProvider evaluationContextProvider)

Creates a new StringBasedR2dbcQuery for the given StringBasedR2dbcQuery, DatabaseClient, SpelExpressionParser, and QueryMethodEvaluationContextProvider.

Parameters:

queryMethod - must not be null.

entityOperations - must not be null.

converter - must not be null.

dataAccessStrategy - must not be null.

expressionParser - must not be null.

evaluationContextProvider - must not be null.

StringBasedR2dbcQuery

public StringBasedR2dbcQuery(String query,
                             R2dbcQueryMethod method,
                             R2dbcEntityOperations entityOperations,
                             R2dbcConverter converter,
                             ReactiveDataAccessStrategy dataAccessStrategy,
                             ExpressionParser expressionParser,
                             ReactiveQueryMethodEvaluationContextProvider evaluationContextProvider)

Create a new StringBasedR2dbcQuery for the given query, R2dbcQueryMethod, DatabaseClient, SpelExpressionParser, and QueryMethodEvaluationContextProvider.

Parameters:

method - must not be null.

entityOperations - must not be null.

converter - must not be null.

dataAccessStrategy - must not be null.

expressionParser - must not be null.

evaluationContextProvider - must not be null.

Method Detail

isModifyingQuery

protected boolean isModifyingQuery()

Description copied from class: AbstractR2dbcQuery

Returns whether this query is a modifying one.

Specified by:

isModifyingQuery in class AbstractR2dbcQuery

Returns:

isCountQuery

protected boolean isCountQuery()

Description copied from class: AbstractR2dbcQuery

Returns whether the query should get a count projection applied.

Specified by:

isCountQuery in class AbstractR2dbcQuery

Returns:

isExistsQuery

protected boolean isExistsQuery()

Description copied from class: AbstractR2dbcQuery

Returns whether the query should get an exists projection applied.

Specified by:

isExistsQuery in class AbstractR2dbcQuery

Returns:

createQuery

protected reactor.core.publisher.Mono<PreparedOperation<?>> createQuery(org.springframework.data.relational.repository.query.RelationalParameterAccessor accessor)

Description copied from class: AbstractR2dbcQuery

Creates a BindableQuery instance using the given ParameterAccessor

Specified by:

createQuery in class AbstractR2dbcQuery

Parameters:

accessor - must not be null.

Returns:

a mono emitting a BindableQuery.

toString

public String toString()

Overrides:

toString in class Object