Module io.helidon.dbclient.common

Package io.helidon.dbclient.common

Class DbClientServiceBase

java.lang.Object

io.helidon.dbclient.common.DbClientServiceBase

All Implemented Interfaces:

DbClientService

Direct Known Subclasses:

DbClientTracing

public abstract class DbClientServiceBase
extends Object
implements DbClientService

A base implementation of a client service that supports configuration of execution based on a statement name pattern and statement types.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DbClientServiceBase.DbClientServiceBuilderBase<B extends DbClientServiceBase.DbClientServiceBuilderBase<B>>	A base class for builders of DbClientServiceBase.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DbClientServiceBase(DbClientServiceBase.DbClientServiceBuilderBase<?> builder)	Create a new instance based on the builder base each implementation must extend.

Method Summary

Modifier and Type	Method	Description
protected abstract Single<DbClientServiceContext>	apply(DbClientServiceContext context)	This method is only invoked if the predicate for this service was passed.
final Single<DbClientServiceContext>	statement(DbClientServiceContext context)	Statement execution to be intercepted.

Methods inherited from class java.lang.Object

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

Constructor Details

DbClientServiceBase

protected DbClientServiceBase(DbClientServiceBase.DbClientServiceBuilderBase<?> builder)

Create a new instance based on the builder base each implementation must extend.

Parameters:

builder - builder to configure predicate to use

Method Details

statement

public final Single<DbClientServiceContext> statement(DbClientServiceContext context)

Description copied from interface: DbClientService

Statement execution to be intercepted. This method is called before the statement execution starts. If there is no need to modify the context and you do not block, return Single.just(context).

Specified by:

statement in interface DbClientService

Parameters:

context - Context to access data needed to process an interceptor

Returns:

single that completes when this service is finished

apply

protected abstract Single<DbClientServiceContext> apply(DbClientServiceContext context)

This method is only invoked if the predicate for this service was passed.

Parameters:

context - db client invocation context

Returns:

single with the new context (or the same one if not modified)

See Also:

• statement(io.helidon.dbclient.DbClientServiceContext)