Examples of ITypeDeclaration

org.eclipse.persistence.jpa.jpql.spi.ITypeDeclaration
The external representation of a type declaration, which is used to give more information about the type, i.e. if it's an array and if it has parameter types. @version 2.3 @since 2.3 @author Pascal Filion
org.eclipse.persistence.jpa.jpql.tools.spi.ITypeDeclaration
The external representation of a type declaration, which is used to give more information about the type, i.e. if it's an array and if it has parameter types.
Provisional API: This interface is part of an interim API that is still under development and expected to change significantly before reaching stability. It is available at this early stage to solicit feedback from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken (repeatedly) as the API evolves. @version 2.3 @since 2.3 @author Pascal Filion

Examples of org.eclipse.persistence.jpa.jpql.spi.ITypeDeclaration

      Expression childExpression = expression.getExpression();
      String variableName = queryContext.literal(childExpression, LiteralType.IDENTIFICATION_VARIABLE);


      // Retrieve the identification variable's type without traversing the type parameters
      if (ExpressionTools.stringIsNotEmpty(variableName)) {
        ITypeDeclaration typeDeclaration = getTypeDeclaration(childExpression);


        if (!getTypeHelper().isMapType(typeDeclaration.getType())) {
          addProblem(
            childExpression,
            EncapsulatedIdentificationVariableExpression_NotMapValued,
            expression.getIdentifier()
          );

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Examples of org.eclipse.persistence.jpa.jpql.spi.ITypeDeclaration


    // Example: Class<T>
    if (genericType instanceof ParameterizedType) {
      ParameterizedType parameterizedType = (ParameterizedType) genericType;
      for (Type type : parameterizedType.getActualTypeArguments()) {
        ITypeDeclaration typeParameter = buildTypeDeclaration(type);
        parameterTypes.add(typeParameter);
      }
    }
    // T[]
    else if (genericType instanceof GenericArrayType) {
      GenericArrayType genericArrayType = (GenericArrayType) genericType;
      parameterTypes.add(buildTypeDeclaration(genericArrayType.getGenericComponentType()));
    }
    // Example: Class
    else if (genericType.getClass() == Class.class) {
      ITypeDeclaration typeParameter = buildTypeDeclaration((Class<?>) genericType);
      parameterTypes.add(typeParameter);
    }
    // Example: <K, V>
    else if (genericType.getClass() == Class[].class) {
      for (Class<?> javaType : ((Class<?>[]) genericType)) {
        ITypeDeclaration typeParameter = buildTypeDeclaration(javaType);
        parameterTypes.add(typeParameter);
      }
    }
    // Example: <K, V>
    else if (genericType.getClass() == IType[].class) {
      for (IType type : ((IType[]) genericType)) {
        ITypeDeclaration typeParameter = new JavaTypeDeclaration(typeRepository, type, null, false);
        parameterTypes.add(typeParameter);
      }
    }


    return parameterTypes.toArray(new ITypeDeclaration[parameterTypes.size()]);

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Examples of org.eclipse.persistence.jpa.jpql.spi.ITypeDeclaration

    if (mapping == null) {
      return null;
    }


    TypeHelper typeHelper = getTypeHelper();
    ITypeDeclaration typeDeclaration = mapping.getTypeDeclaration();
    IType type = typeDeclaration.getType();


    // Collection type cannot be traversed
    // Example: SELECT e.employees. FROM Employee e where employees is a collection,
    // it cannot be traversed
    if (typeHelper.isCollectionType(type)) {

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Examples of org.eclipse.persistence.jpa.jpql.spi.ITypeDeclaration

   */
  @Override
  protected IType resolveType() {


    TypeHelper typeHelper = getTypeHelper();
    ITypeDeclaration typeDeclaration = getTypeDeclaration();
    IType type = typeDeclaration.getType();


    // For a collection type, return the first type parameter
    if (typeHelper.isCollectionType(type)) {


      ITypeDeclaration[] typeParameters = typeDeclaration.getTypeParameters();


      if (typeParameters.length > 0) {
        type = typeParameters[0].getType();
      }
    }
    // For a map type, by default the value is the actual type to return
    else if (typeHelper.isMapType(type)) {


      ITypeDeclaration[] typeParameters = typeDeclaration.getTypeParameters();


      if (typeParameters.length == 2) {
        type = typeParameters[1].getType();
      }
    }

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Examples of org.eclipse.persistence.jpa.jpql.spi.ITypeDeclaration

   * {@inheritDoc}
   */
  @Override
  protected IManagedType resolveManagedType(IMapping mapping) {


    ITypeDeclaration typeDeclaration = mapping.getTypeDeclaration();
    IType type = typeDeclaration.getType();


    // Collection type cannot be traversed
    // Example: SELECT e.employees. FROM Employee e where employees is a collection,
    // it cannot be traversed
    if (getTypeHelper().isCollectionType(type)) {

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Examples of org.eclipse.persistence.jpa.jpql.spi.ITypeDeclaration

   * {@inheritDoc}
   */
  @Override
  protected IType buildType() {


    ITypeDeclaration typeDeclaration = getTypeDeclaration();


    if (getTypeHelper().isMapType(typeDeclaration.getType())) {
      ITypeDeclaration[] typeParameters = typeDeclaration.getTypeParameters();


      if (typeParameters.length == 2) {
        return typeParameters[1].getType();
      }
    }

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Examples of org.eclipse.persistence.jpa.jpql.spi.ITypeDeclaration

    if (mapping == null) {
      return null;
    }


    TypeHelper typeHelper = getTypeHelper();
    ITypeDeclaration typeDeclaration = mapping.getTypeDeclaration();
    IType type = typeDeclaration.getType();


    // Collection type cannot be traversed
    if (typeHelper.isCollectionType(type)) {


      ITypeDeclaration[] typeParameters = typeDeclaration.getTypeParameters();


      if (typeParameters.length == 0) {
        return null;
      }

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Examples of org.eclipse.persistence.jpa.jpql.spi.ITypeDeclaration

   * {@inheritDoc}
   */
  @Override
  protected IType buildType() {


    ITypeDeclaration typeDeclaration = getTypeDeclaration();
    IType type = typeDeclaration.getType();


    // For a collection type, return the first type parameter
    if (getTypeHelper().isCollectionType(type)) {
      ITypeDeclaration[] typeParameters = typeDeclaration.getTypeParameters();
      if (typeParameters.length > 0) {
        type = typeParameters[0].getType();
      }
    }
    // For a map type, by default the value is the actual type to return
    else if (getTypeHelper().isMapType(type)) {
      ITypeDeclaration[] typeParameters = typeDeclaration.getTypeParameters();
      if (typeParameters.length == 2) {
        type = typeParameters[1].getType();
      }
    }

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Examples of org.eclipse.persistence.jpa.jpql.spi.ITypeDeclaration

   * {@inheritDoc}
   */
  @Override
  protected IManagedType resolveManagedType(IMapping mapping) {


    ITypeDeclaration typeDeclaration = mapping.getTypeDeclaration();
    IType type = typeDeclaration.getType();


    // Collection type cannot be traversed
    if (getTypeHelper().isCollectionType(type)) {
      ITypeDeclaration[] typeParameters = typeDeclaration.getTypeParameters();
      if (typeParameters.length == 0) {
        return null;
      }
      type = typeParameters[0].getType();
    }
    // Wrap the Map into a virtual IManagedType so it can be returned and the
    // IType for the Map can be used to retrieve the type of the key and value
    else if (getTypeHelper().isMapType(type)) {
      ITypeDeclaration[] typeParameters = typeDeclaration.getTypeParameters();
      if (typeParameters.length != 2) {
        return null;
      }
      type = typeParameters[1].getType();
    }

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Examples of org.eclipse.persistence.jpa.jpql.spi.ITypeDeclaration

   * {@inheritDoc}
   */
  @Override
  protected IType resolveType() {


    ITypeDeclaration typeDeclaration = getTypeDeclaration();


    if (getTypeHelper().isMapType(typeDeclaration.getType())) {
      ITypeDeclaration[] typeParameters = typeDeclaration.getTypeParameters();


      if (typeParameters.length == 2) {
        return typeParameters[1].getType();
      }
    }

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