Package org.apache.olingo.odata2.jpa.processor.api.jpql

Class JPQLContext.JPQLContextBuilder

java.lang.Object
org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLContext.JPQLContextBuilder
Enclosing class:
JPQLContext
public abstract static class JPQLContext.JPQLContextBuilder extends Object
The abstract class is extended by specific JPQLContext builder for building JPQLContexts.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected int
    aliasCounter
    alias counter is an integer counter that is incremented by "1" for every new alias name generation.
    protected boolean
    withPaging
     

  • Constructor Summary

    Constructors
    Modifier
    Constructor
    Description
    protected
    JPQLContextBuilder()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    abstract JPQLContext
    build()
    The abstract method is implemented by specific JPQL context builders to build JPQL Contexts.
    protected String
    generateJPAEntityAlias()
    The method returns a system generated alias name starting with prefix "E" and ending with suffix "aliasCounter".
    protected void
    resetAliasCounter()
    The method resets the alias counter value to "0".
    protected abstract void
    setResultsView(Object resultsView)
    The abstract method is implemented by specific JPQL context builder.

    Methods inherited from class java.lang.Object

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

  • Field Details

    • aliasCounter

      protected int aliasCounter
      alias counter is an integer counter that is incremented by "1" for every new alias name generation. The value of counter is used in the generation of JPA entity alias names.

    • withPaging

      protected boolean withPaging

  • Constructor Details

    • JPQLContextBuilder

      protected JPQLContextBuilder()

  • Method Details

    • build

      public abstract JPQLContext build() throws ODataJPAModelException, ODataJPARuntimeException
      The abstract method is implemented by specific JPQL context builders to build JPQL Contexts. The build method makes use of information set into the context to built JPQL Context Types.
      Returns:
      an instance of JPQLContext
      Throws:
      ODataJPAModelException - Caso ocorra exceção
      ODataJPARuntimeException - Caso ocorra exceção

    • setResultsView

      protected abstract void setResultsView(Object resultsView)
      The abstract method is implemented by specific JPQL context builder. The method sets the OData request view into the JPQL context.
      Parameters:
      resultsView - is an instance representing OData request.

    • resetAliasCounter

      protected void resetAliasCounter()
      The method resets the alias counter value to "0".

    • generateJPAEntityAlias

      protected String generateJPAEntityAlias()
      The method returns a system generated alias name starting with prefix "E" and ending with suffix "aliasCounter".
      Returns:
      a String representing JPA entity alias name