org.apache.avro.io.parsing
Class SkipParser

java.lang.Object
  org.apache.avro.io.parsing.Parser
      org.apache.avro.io.parsing.SkipParser

public class SkipParser
extends Parser

A parser that capable of skipping as well read and write. This class is used by decoders who (unlink encoders) are required to implement methods to skip.

Nested Class Summary

static interface

SkipParser.SkipHandler The clients implement this interface to skip symbols and actions.

Nested classes/interfaces inherited from class org.apache.avro.io.parsing.Parser

Parser.ActionHandler

Field Summary

Fields inherited from class org.apache.avro.io.parsing.Parser

pos, stack, symbolHandler

Constructor Summary

SkipParser(Symbol root, Parser.ActionHandler symbolHandler, SkipParser.SkipHandler skipHandler)

Method Summary

void	skipRepeater() Skips the repeater at the top the stack.
void	skipSymbol(Symbol symToSkip) Pushes the given symbol on to the skip and skips it.
void	skipTo(int target) Skips data by calling skipXyz or readXyz methods on this, until the parser stack reaches the target level.

Methods inherited from class org.apache.avro.io.parsing.Parser

advance, depth, popSymbol, processImplicitActions, processTrailingImplicitActions, pushProduction, pushSymbol, reset, topSymbol

Methods inherited from class java.lang.Object

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

Constructor Detail

SkipParser

public SkipParser(Symbol root,
                  Parser.ActionHandler symbolHandler,
                  SkipParser.SkipHandler skipHandler)
           throws IOException

Throws:

IOException

Method Detail

skipTo

public final void skipTo(int target)
                  throws IOException

Skips data by calling skipXyz or readXyz methods on this, until the parser stack reaches the target level.

Throws:

IOException

skipRepeater

public final void skipRepeater()
                        throws IOException

Skips the repeater at the top the stack.

Throws:

IOException

skipSymbol

public final void skipSymbol(Symbol symToSkip)
                      throws IOException

Pushes the given symbol on to the skip and skips it.

Parameters:

symToSkip - The symbol that should be skipped.

Throws:

IOException