org.springframework.integration.r2dbc.outbound

Class R2dbcMessageHandler

java.lang.Object

org.springframework.integration.context.IntegrationObjectSupport

org.springframework.integration.handler.MessageHandlerSupport

org.springframework.integration.handler.AbstractReactiveMessageHandler

org.springframework.integration.r2dbc.outbound.R2dbcMessageHandler

All Implemented Interfaces:

Aware, BeanFactoryAware, BeanNameAware, DisposableBean, InitializingBean, ApplicationContextAware, Ordered, ExpressionCapable, Orderable, IntegrationPattern, NamedComponent, IntegrationManagement, TrackableComponent, ReactiveMessageHandler

public class R2dbcMessageHandler
extends AbstractReactiveMessageHandler

Implementation of ReactiveMessageHandler which writes Message payload into a Relational Database, using reactive r2dbc support.

Since:

5.4

Author:

Rohan Mukesh, Artem Bilan

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	R2dbcMessageHandler.Type /** The mode for the R2dbcMessageHandler.

Nested classes/interfaces inherited from interface org.springframework.integration.support.management.IntegrationManagement

IntegrationManagement.ManagementOverrides

Field Summary

Fields inherited from class org.springframework.integration.context.IntegrationObjectSupport

EXPRESSION_PARSER, logger

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Fields inherited from interface org.springframework.integration.support.management.IntegrationManagement

METER_PREFIX, RECEIVE_COUNTER_NAME, SEND_TIMER_NAME

Constructor Summary

Constructors

Constructor and Description
R2dbcMessageHandler(org.springframework.data.r2dbc.core.R2dbcEntityOperations r2dbcEntityOperations) Construct this instance using a fully created and initialized instance of provided R2dbcEntityOperations

Method Summary

Modifier and Type	Method and Description
String	getComponentType() Subclasses may implement this method to provide component type information.
protected reactor.core.publisher.Mono<Void>	handleMessageInternal(Message<?> message)
protected void	onInit() Subclasses may implement this for initialization logic.
void	setCriteriaExpression(Expression criteriaExpression) Set a SpEL expression to evaluate a Criteria for query to execute.
void	setQueryType(R2dbcMessageHandler.Type type) Set a R2dbcMessageHandler.Type for query to execute.
void	setQueryTypeExpression(Expression queryTypeExpression) Set a SpEL expression to evaluate a R2dbcMessageHandler.Type for query to execute.
void	setTableName(String tableName) Specify a table in the target database to execute the query.
void	setTableNameExpression(Expression tableNameExpression) Set a SpEL expression to evaluate a table name at runtime against request message.
void	setValuesExpression(Expression valuesExpression) Set a SpEL expression to evaluate a Map for name-value pairs to bind as parameters into a query.

Methods inherited from class org.springframework.integration.handler.AbstractReactiveMessageHandler

handleMessage

Methods inherited from class org.springframework.integration.handler.MessageHandlerSupport

buildSendTimer, destroy, getIntegrationPatternType, getManagedName, getManagedType, getMetricsCaptor, getOrder, getOverrides, isLoggingEnabled, registerMetricsCaptor, sendTimer, setLoggingEnabled, setManagedName, setManagedType, setOrder, setShouldTrack, shouldTrack

Methods inherited from class org.springframework.integration.context.IntegrationObjectSupport

afterPropertiesSet, extractTypeIfPossible, generateId, getApplicationContext, getApplicationContextId, getBeanDescription, getBeanFactory, getBeanName, getChannelResolver, getComponentName, getConversionService, getExpression, getIntegrationProperties, getIntegrationProperty, getMessageBuilderFactory, getTaskScheduler, isInitialized, setApplicationContext, setBeanFactory, setBeanName, setChannelResolver, setComponentName, setConversionService, setMessageBuilderFactory, setPrimaryExpression, setTaskScheduler, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.integration.support.management.IntegrationManagement

getThisAs

Methods inherited from interface org.springframework.integration.support.context.NamedComponent

getBeanName, getComponentName

Constructor Detail

R2dbcMessageHandler

public R2dbcMessageHandler(org.springframework.data.r2dbc.core.R2dbcEntityOperations r2dbcEntityOperations)

Construct this instance using a fully created and initialized instance of provided R2dbcEntityOperations

Parameters:

r2dbcEntityOperations - The R2dbcEntityOperations implementation.

Method Detail

setQueryType

public void setQueryType(R2dbcMessageHandler.Type type)

Set a R2dbcMessageHandler.Type for query to execute.

Parameters:

type - the R2dbcMessageHandler.Type to use.

setQueryTypeExpression

public void setQueryTypeExpression(Expression queryTypeExpression)

Set a SpEL expression to evaluate a R2dbcMessageHandler.Type for query to execute.

Parameters:

queryTypeExpression - the expression to use.

setTableName

public void setTableName(String tableName)

Specify a table in the target database to execute the query.

Parameters:

tableName - the name of the table to use.

setTableNameExpression

public void setTableNameExpression(Expression tableNameExpression)

Set a SpEL expression to evaluate a table name at runtime against request message.

Parameters:

tableNameExpression - the expression to use.

setValuesExpression

public void setValuesExpression(Expression valuesExpression)

Set a SpEL expression to evaluate a Map for name-value pairs to bind as parameters into a query.

Parameters:

valuesExpression - the expression to use.

setCriteriaExpression

public void setCriteriaExpression(Expression criteriaExpression)

Set a SpEL expression to evaluate a Criteria for query to execute.

Parameters:

criteriaExpression - the expression to use.

getComponentType

public String getComponentType()

Description copied from class: IntegrationObjectSupport

Subclasses may implement this method to provide component type information.

Specified by:

getComponentType in interface NamedComponent

Overrides:

getComponentType in class MessageHandlerSupport

onInit

protected void onInit()

Description copied from class: IntegrationObjectSupport

Subclasses may implement this for initialization logic.

Overrides:

onInit in class IntegrationObjectSupport

handleMessageInternal

protected reactor.core.publisher.Mono<Void> handleMessageInternal(Message<?> message)

Specified by:

handleMessageInternal in class AbstractReactiveMessageHandler