Package org.apache.iceberg.orc

Class OrcSchemaVisitor<T>

  • Direct Known Subclasses:
    EstimateOrcAvgWidthVisitor
    public abstract class OrcSchemaVisitor<T>
extends java.lang.Object
    Generic visitor of an ORC Schema.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void afterElementField​(org.apache.orc.TypeDescription element)  
      void afterField​(java.lang.String name, org.apache.orc.TypeDescription type)  
      void afterKeyField​(org.apache.orc.TypeDescription key)  
      void afterValueField​(org.apache.orc.TypeDescription value)  
      void beforeElementField​(org.apache.orc.TypeDescription element)  
      void beforeField​(java.lang.String name, org.apache.orc.TypeDescription type)  
      void beforeKeyField​(org.apache.orc.TypeDescription key)  
      void beforeValueField​(org.apache.orc.TypeDescription value)  
      java.lang.String currentFieldName()  
      protected java.lang.String[] currentPath()  
      java.lang.String elementName()  
      java.lang.String keyName()  
      T list​(org.apache.orc.TypeDescription array, T element)  
      T map​(org.apache.orc.TypeDescription map, T key, T value)  
      protected java.lang.String[] path​(java.lang.String name)  
      T primitive​(org.apache.orc.TypeDescription primitive)  
      T record​(org.apache.orc.TypeDescription record, java.util.List<java.lang.String> names, java.util.List<T> fields)  
      java.lang.String valueName()  
      static <T> T visit​(org.apache.orc.TypeDescription schema, OrcSchemaVisitor<T> visitor)  
      static <T> java.util.List<T> visitSchema​(org.apache.orc.TypeDescription schema, OrcSchemaVisitor<T> visitor)  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • OrcSchemaVisitor

        public OrcSchemaVisitor()

    • Method Detail

      • visitSchema

        public static <T> java.util.List<T> visitSchema​(org.apache.orc.TypeDescription schema,
                                                OrcSchemaVisitor<T> visitor)

      • visit

        public static <T> T visit​(org.apache.orc.TypeDescription schema,
                          OrcSchemaVisitor<T> visitor)

      • elementName

        public java.lang.String elementName()

      • keyName

        public java.lang.String keyName()

      • valueName

        public java.lang.String valueName()

      • currentFieldName

        public java.lang.String currentFieldName()

      • beforeField

        public void beforeField​(java.lang.String name,
                        org.apache.orc.TypeDescription type)

      • afterField

        public void afterField​(java.lang.String name,
                       org.apache.orc.TypeDescription type)

      • beforeElementField

        public void beforeElementField​(org.apache.orc.TypeDescription element)

      • afterElementField

        public void afterElementField​(org.apache.orc.TypeDescription element)

      • beforeKeyField

        public void beforeKeyField​(org.apache.orc.TypeDescription key)

      • afterKeyField

        public void afterKeyField​(org.apache.orc.TypeDescription key)

      • beforeValueField

        public void beforeValueField​(org.apache.orc.TypeDescription value)

      • afterValueField

        public void afterValueField​(org.apache.orc.TypeDescription value)

      • record

        public T record​(org.apache.orc.TypeDescription record,
                java.util.List<java.lang.String> names,
                java.util.List<T> fields)

      • list

        public T list​(org.apache.orc.TypeDescription array,
              T element)

      • map

        public T map​(org.apache.orc.TypeDescription map,
             T key,
             T value)

      • primitive

        public T primitive​(org.apache.orc.TypeDescription primitive)

      • currentPath

        protected java.lang.String[] currentPath()

      • path

        protected java.lang.String[] path​(java.lang.String name)