Package com._1c.g5.v8.dt.qw.ui.utils

Class FieldsMapping

java.lang.Object
com._1c.g5.v8.dt.qw.ui.utils.FieldsMapping
public class FieldsMapping extends Object
Matching of fields in queries and their aliases

  • Constructor Details

    • FieldsMapping

      public FieldsMapping(QueryWizardSource source)
      Parameters:
      source - QueryWizardSource

    • FieldsMapping

      public FieldsMapping(QueryWizardSource source, QuerySchemaExpression field, FieldsMapping parent)
      Parameters:
      source - QueryWizardSource
      field - field from one of the column from fields matching
      parent - parent fields matching

    • FieldsMapping

      public FieldsMapping(QueryWizardSource source, int fieldsCount)
      Parameters:
      source - QueryWizardSource
      fieldsCount - count of columns with fields

    • FieldsMapping

      public FieldsMapping(FieldsMapping baseMapping)
      Parameters:
      baseMapping - base fields matching

  • Method Details

    • eraseAliasesWithEmptyFields

      public static void eraseAliasesWithEmptyFields(QueryWizardSource source)
      Remove aliases with empty fields matching
      Parameters:
      source - query wizard source

    • changeFieldsMapping

      public static void changeFieldsMapping(QueryWizardSource source, FieldsMapping mapping, FieldsMapping newMapping)
      Change matching of fields
      Parameters:
      source - QueryWizardSource
      mapping - old fields matching
      newMapping - new fields matching

    • getFieldMappingForField

      public static FieldsMapping getFieldMappingForField(QuerySchemaExpression field, FieldsMapping parentMapping)
      Looking for fields matching for given field
      Parameters:
      field - - field in the same fields matching. Can't be null.
      parentMapping - - parent fields matching. Can't be null.
      Returns:
      fields matching if found, else null

    • createNestedFieldMapping

      public static void createNestedFieldMapping(QueryWizardSource source, int unionPos, QuerySchemaExpression field, FieldsMapping parentMapping)
      Create nested field mapping
      Parameters:
      source - QueryWizardSource
      unionPos -
      field -
      parentMapping -

    • findChildByAlias

      public FieldsMapping findChildByAlias(String alias)
      Find child fields mapping by alias
      Parameters:
      alias - - alias. Can by like NestedTableAlias.NestedFieldAlias
      Returns:
      fields mapping or null

    • getImage

      public org.eclipse.swt.graphics.Image getImage()
      Get image for field mapping
      Returns:
      image

    • fieldsCount

      public int fieldsCount()
      Returns:
      fields (columns) count

    • getField

      public QuerySchemaExpression getField(int column)
      Getting field from column
      Parameters:
      column - given column
      Returns:
      field in column

    • setField

      public QuerySchemaExpression setField(int column, QuerySchemaExpression newField)
      Setting new field in column
      Parameters:
      column - given column
      newField - new field
      Returns:
      old field

    • getParent

      public FieldsMapping getParent()
      Returns:
      parent fields matching

    • copyFields

      public void copyFields(FieldsMapping fieldsMapping)
      Coping fields from given fields matching
      Parameters:
      fieldsMapping - base fields matching

    • removeChild

      public void removeChild(FieldsMapping fieldMapping)
      Removing child fields matching
      Parameters:
      fieldMapping - fields matching which will be removed

    • isRoot

      public boolean isRoot()
      Is fields matching root
      Returns:
      true if true

    • children

      public List<FieldsMapping> children()
      Returns:
      children fields matching

    • isFieldsEmpty

      public boolean isFieldsEmpty()
      Is all columns have NULL expressions?
      Returns:
      true if true

    • getFirstNotNullField

      public QuerySchemaExpression getFirstNotNullField()
      Returns:
      first not null field

    • moveChild

      public void moveChild(FieldsMapping fieldMapping, int newIndex)
      Move fields mapping
      Parameters:
      fieldMapping - field mapping
      newIndex - new index

    • setChildAt

      public void setChildAt(int index, FieldsMapping newMapping)
      Setting new child fields matching
      Parameters:
      index -
      newMapping - new fields matching

    • eraseChildAt

      public void eraseChildAt(int index)
      Remove child fields matching
      Parameters:
      index -

    • synchronizeColumnsFieldsCount

      public void synchronizeColumnsFieldsCount()
      Synchronizing fields counts in operators and nested tables

    • setAlias

      public void setAlias(String alias)
      Setting new alias
      Parameters:
      alias - new alias