Package org.eclipse.persistence.internal.expressions

Examples of org.eclipse.persistence.internal.expressions.MapEntryExpression

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      declaration = queryContext.findDeclaration(variableName);
      declaration.getBaseExpression().accept(ExpressionBuilderVisitor.this);
      localExpression = queryExpression;

      // Create the Map.Entry expression
      MapEntryExpression entryExpression = new MapEntryExpression(localExpression);
      entryExpression.returnMapEntry();
      localExpression = entryExpression;
    }
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      IdentificationVariable identificationVariable = (IdentificationVariable) expression.getExpression();

      // Create the Expression for the identification variable
      identificationVariable.accept(ExpressionBuilderVisitor.this);
      localExpression = new MapEntryExpression(queryExpression);

      // Retrieve the mapping's key mapping's descriptor
      descriptor = queryContext.resolveDescriptor(expression);
    }
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    // Create the expression for the collection-valued path expression
    expression.getExpression().accept(this);

    // Now create the ENTRY expression
    MapEntryExpression entryExpression = new MapEntryExpression(queryExpression);
    entryExpression.returnMapEntry();
    queryExpression = entryExpression;

    // Set the expression type
    type[0] = Map.Entry.class;
  }
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    // First visit the parent Expression
    expression.getExpression().accept(this);

    // Now create the Expression of the KEY expression
    queryExpression = new MapEntryExpression(queryExpression);
  }
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    // Create the expression for the collection-valued path expression
    expression.getExpression().accept(this);

    // Now create the ENTRY expression
    MapEntryExpression entryExpression = new MapEntryExpression(queryExpression);
    entryExpression.returnMapEntry();
    queryExpression = entryExpression;

    // Set the expression type
    type[0] = Map.Entry.class;
  }
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    // First visit the parent Expression
    expression.getExpression().accept(this);

    // Now create the Expression of the KEY expression
    queryExpression = new MapEntryExpression(queryExpression);
  }
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      declaration = queryContext.findDeclaration(variableName);
      declaration.getBaseExpression().accept(ExpressionBuilderVisitor.this);
      localExpression = queryExpression;

      // Create the Map.Entry expression
      MapEntryExpression entryExpression = new MapEntryExpression(localExpression);
      entryExpression.returnMapEntry();
      localExpression = entryExpression;
    }
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      IdentificationVariable identificationVariable = (IdentificationVariable) expression.getExpression();

      // Create the Expression for the identification variable
      identificationVariable.accept(ExpressionBuilderVisitor.this);
      localExpression = new MapEntryExpression(queryExpression);

      // Retrieve the mapping's key mapping's descriptor
      descriptor = queryContext.resolveDescriptor(expression);
    }
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        if (!(expression.isQueryKeyExpression())) {
            return null;
        }
       
        if (expression.isMapEntryExpression()){
            MapEntryExpression teExpression = (MapEntryExpression)expression;
           
            // get the expression that we want the table entry for
            QueryKeyExpression baseExpression = (QueryKeyExpression)teExpression.getBaseExpression();
           
            // get the expression that owns the mapping for the table entry
            Expression owningExpression = baseExpression.getBaseExpression();
            ClassDescriptor owningDescriptor = getLeafDescriptorFor(owningExpression, rootDescriptor);
           
            // Get the mapping that owns the table
            CollectionMapping mapping = (CollectionMapping)owningDescriptor.getObjectBuilder().getMappingForAttributeName(baseExpression.getName());
           
            if (teExpression.shouldReturnMapEntry()){
                return mapping;
            }
            if (mapping.getContainerPolicy().isMappedKeyMapPolicy()){
                MappedKeyMapContainerPolicy policy = (MappedKeyMapContainerPolicy)mapping.getContainerPolicy();
                return (DatabaseMapping)policy.getKeyMapping();
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     * INTERNAL
     * Generate the a new EclipseLink TableEntryExpression for this node.
     */
    public Expression generateExpression(GenerationContext context) {
        Expression owningExpression = getLeft().generateExpression(context);
        MapEntryExpression whereClause = new MapEntryExpression(owningExpression);
        return whereClause;
    }
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Related Classes of org.eclipse.persistence.internal.expressions.MapEntryExpression

  • org.eclipse.persistence.expressions.Expression
  • org.eclipse.persistence.internal.helper.DatabaseField
  • org.eclipse.persistence.internal.jpa.jpql.ExpressionBuilderVisitor
  • org.eclipse.persistence.internal.jpa.jpql.ExpressionBuilderVisitor$PathResolver
  • org.eclipse.persistence.internal.jpa.parsing.MapEntryNode
  • org.eclipse.persistence.internal.jpa.parsing.MapKeyNode
  • org.eclipse.persistence.internal.queries.ContainerPolicy
  • org.eclipse.persistence.internal.queries.InterfaceContainerPolicy
  • org.eclipse.persistence.mappings.DatabaseMapping
  • org.eclipse.persistence.mappings.querykeys.ForeignReferenceQueryKey
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