Package org.apache.camel.component.google.bigquery.sql

Class GoogleBigQuerySQLProducer

java.lang.Object
org.apache.camel.support.service.BaseService
org.apache.camel.support.service.ServiceSupport
org.apache.camel.support.DefaultProducer
org.apache.camel.component.google.bigquery.sql.GoogleBigQuerySQLProducer
All Implemented Interfaces:
AutoCloseable, org.apache.camel.EndpointAware, org.apache.camel.IsSingleton, org.apache.camel.Processor, org.apache.camel.Producer, org.apache.camel.Service, org.apache.camel.ShutdownableService, org.apache.camel.StatefulService, org.apache.camel.SuspendableService
public class GoogleBigQuerySQLProducer extends org.apache.camel.support.DefaultProducer
Producer for executing SQL queries against Google BigQuery. Supports both DML (INSERT, UPDATE, DELETE) and SELECT queries with parameterized queries, pagination, and streaming results.

  • Field Summary

    Fields inherited from class org.apache.camel.support.service.BaseService

    BUILT, FAILED, INITIALIZED, INITIALIZING, lock, NEW, SHUTDOWN, SHUTTING_DOWN, STARTED, STARTING, status, STOPPED, STOPPING, SUSPENDED, SUSPENDING

  • Constructor Summary

    Constructors
    Constructor
    Description
    GoogleBigQuerySQLProducer(com.google.cloud.bigquery.BigQuery bigquery, GoogleBigQuerySQLEndpoint endpoint, GoogleBigQuerySQLConfiguration configuration)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    protected void
    doStart()
    Initializes the producer by resolving the query string and extracting parameter names.
    GoogleBigQuerySQLEndpoint
    getEndpoint()
     
    void
    process(org.apache.camel.Exchange exchange)
    Processes the exchange by executing a SQL query against BigQuery.

    Methods inherited from class org.apache.camel.support.DefaultProducer

    createExchange, doStop, isSingleton, toString

    Methods inherited from class org.apache.camel.support.service.BaseService

    build, doBuild, doFail, doInit, doLifecycleChange, doResume, doShutdown, doSuspend, fail, getInternalLock, getStatus, init, isBuild, isInit, isNew, isRunAllowed, isShutdown, isStarted, isStarting, isStartingOrStarted, isStopped, isStopping, isStoppingOrStopped, isSuspended, isSuspending, isSuspendingOrSuspended, resume, shutdown, start, stop, suspend

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.apache.camel.Service

    build, close, init, start, stop

    Methods inherited from interface org.apache.camel.ShutdownableService

    shutdown

    Methods inherited from interface org.apache.camel.StatefulService

    getStatus, isRunAllowed, isStarted, isStarting, isStopped, isStopping, isSuspending

    Methods inherited from interface org.apache.camel.SuspendableService

    isSuspended, resume, suspend

  • Constructor Details

  • Method Details

    • process

      public void process(org.apache.camel.Exchange exchange) throws Exception
      Processes the exchange by executing a SQL query against BigQuery.

      Query parameters can be provided via:

      • Message body as Map<String, Object>
      • Message headers

      For SELECT queries, results are returned based on OutputType:

      • SELECT_LIST - List<Map<String, Object>> with pagination headers
      • STREAM_LIST - Iterator<Map<String, Object>> for streaming

      For DML queries, returns the number of affected rows as Long.

      Throws:
      Exception

    • getEndpoint

      public GoogleBigQuerySQLEndpoint getEndpoint()
      Specified by:
      getEndpoint in interface org.apache.camel.EndpointAware
      Overrides:
      getEndpoint in class org.apache.camel.support.DefaultProducer

    • doStart

      protected void doStart() throws Exception
      Initializes the producer by resolving the query string and extracting parameter names. Query resolution supports file references and variable substitution.
      Overrides:
      doStart in class org.apache.camel.support.DefaultProducer
      Throws:
      Exception