Examples with ScatterGatherHandler org.springframework.integration.scattergather.ScatterGatherHandler used on opensource projects

Example 1 with ScatterGatherHandler

use of org.springframework.integration.scattergather.ScatterGatherHandler in project spring-integration by spring-projects.

the class IntegrationFlowDefinition method scatterGather.

/**
 * Populate a {@link ScatterGatherHandler} to the current integration flow position
 * based on the provided {@link RecipientListRouterSpec} for scattering function
 * and {@link AggregatorSpec} for gathering function.
 * @param scatterer the {@link Consumer} for {@link RecipientListRouterSpec} to configure scatterer.
 * @param gatherer the {@link Consumer} for {@link AggregatorSpec} to configure gatherer.
 * @param scatterGather the {@link Consumer} for {@link ScatterGatherSpec} to configure
 * {@link ScatterGatherHandler} and its endpoint. Can be {@code null}.
 * @return the current {@link IntegrationFlowDefinition}.
 */
public B scatterGather(Consumer<RecipientListRouterSpec> scatterer, Consumer<AggregatorSpec> gatherer, Consumer<ScatterGatherSpec> scatterGather) {
    Assert.notNull(scatterer, "'scatterer' must not be null");
    RecipientListRouterSpec recipientListRouterSpec = new RecipientListRouterSpec();
    scatterer.accept(recipientListRouterSpec);
    AggregatorSpec aggregatorSpec = new AggregatorSpec();
    if (gatherer != null) {
        gatherer.accept(aggregatorSpec);
    }
    RecipientListRouter recipientListRouter = recipientListRouterSpec.get().getT2();
    addComponent(recipientListRouter).addComponents(recipientListRouterSpec.getComponentsToRegister());
    AggregatingMessageHandler aggregatingMessageHandler = aggregatorSpec.get().getT2();
    addComponent(aggregatingMessageHandler);
    ScatterGatherHandler messageHandler = new ScatterGatherHandler(recipientListRouter, aggregatingMessageHandler);
    return register(new ScatterGatherSpec(messageHandler), scatterGather);
}

Example 2 with ScatterGatherHandler

use of org.springframework.integration.scattergather.ScatterGatherHandler in project spring-integration by spring-projects.

the class IntegrationFlowDefinition method scatterGather.

/**
 * Populate a {@link ScatterGatherHandler} to the current integration flow position
 * based on the provided {@link MessageChannel} for scattering function
 * and {@link AggregatorSpec} for gathering function.
 * @param scatterChannel the {@link MessageChannel} for scatting requests.
 * @param gatherer the {@link Consumer} for {@link AggregatorSpec} to configure gatherer.
 * Can be {@code null}.
 * @param scatterGather the {@link Consumer} for {@link ScatterGatherSpec} to configure
 * {@link ScatterGatherHandler} and its endpoint. Can be {@code null}.
 * @return the current {@link IntegrationFlowDefinition}.
 */
public B scatterGather(MessageChannel scatterChannel, Consumer<AggregatorSpec> gatherer, Consumer<ScatterGatherSpec> scatterGather) {
    AggregatorSpec aggregatorSpec = new AggregatorSpec();
    if (gatherer != null) {
        gatherer.accept(aggregatorSpec);
    }
    AggregatingMessageHandler aggregatingMessageHandler = aggregatorSpec.get().getT2();
    addComponent(aggregatingMessageHandler);
    ScatterGatherHandler messageHandler = new ScatterGatherHandler(scatterChannel, aggregatingMessageHandler);
    return register(new ScatterGatherSpec(messageHandler), scatterGather);
}