Package org.apache.iceberg.orc
Class OrcSchemaVisitor<T>
- java.lang.Object
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- org.apache.iceberg.orc.OrcSchemaVisitor<T>
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- Direct Known Subclasses:
EstimateOrcAvgWidthVisitor
public abstract class OrcSchemaVisitor<T> extends java.lang.Object
Generic visitor of an ORC Schema.
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Constructor Summary
Constructors Constructor Description OrcSchemaVisitor()
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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)
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Method Detail
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visitSchema
public static <T> java.util.List<T> visitSchema(org.apache.orc.TypeDescription schema, OrcSchemaVisitor<T> visitor)
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visit
public static <T> T visit(org.apache.orc.TypeDescription schema, OrcSchemaVisitor<T> visitor)
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elementName
public java.lang.String elementName()
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keyName
public java.lang.String keyName()
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valueName
public java.lang.String valueName()
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currentFieldName
public java.lang.String currentFieldName()
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beforeField
public void beforeField(java.lang.String name, org.apache.orc.TypeDescription type)
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afterField
public void afterField(java.lang.String name, org.apache.orc.TypeDescription type)
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beforeElementField
public void beforeElementField(org.apache.orc.TypeDescription element)
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afterElementField
public void afterElementField(org.apache.orc.TypeDescription element)
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beforeKeyField
public void beforeKeyField(org.apache.orc.TypeDescription key)
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afterKeyField
public void afterKeyField(org.apache.orc.TypeDescription key)
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beforeValueField
public void beforeValueField(org.apache.orc.TypeDescription value)
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afterValueField
public void afterValueField(org.apache.orc.TypeDescription value)
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record
public T record(org.apache.orc.TypeDescription record, java.util.List<java.lang.String> names, java.util.List<T> fields)
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primitive
public T primitive(org.apache.orc.TypeDescription primitive)
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currentPath
protected java.lang.String[] currentPath()
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path
protected java.lang.String[] path(java.lang.String name)
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