cascading.operation.regex
Class RegexMatcher

java.lang.Object
  cascading.operation.BaseOperation<C>
      cascading.operation.regex.RegexOperation<Matcher>
          cascading.operation.regex.RegexMatcher

All Implemented Interfaces:

Operation<Matcher>, Serializable

Direct Known Subclasses:

AssertMatches, AssertMatchesAll, RegexFilter

public class RegexMatcher
extends RegexOperation<Matcher>

Class RegexMatcher is the base class for common regular expression operations.

This operation uses Matcher internally, specifically the method Matcher.find().

See Also:

Matcher, Pattern, Serialized Form

Field Summary

protected boolean

negateMatch Field removeMatch

Fields inherited from class cascading.operation.regex.RegexOperation

patternString

Fields inherited from class cascading.operation.BaseOperation

fieldDeclaration, numArgs, trace

Fields inherited from interface cascading.operation.Operation

ANY

Constructor Summary

protected	RegexMatcher(Fields fieldDeclaration, String patternString)
protected	RegexMatcher(Fields fieldDeclaration, String patternString, boolean negateMatch)
protected	RegexMatcher(String patternString)
protected	RegexMatcher(String patternString, boolean negateMatch)

Method Summary

protected boolean	matchEachElement(Matcher matcher, Tuple input) Method matchEachElement ...
protected int	matchEachElementPos(Matcher matcher, Tuple input)
protected boolean	matchWholeTuple(Matcher matcher, Tuple input) Method matchWholeTuple ...
void	prepare(FlowProcess flowProcess, OperationCall<Matcher> operationCall) Method prepare does nothing, and may safely be overridden.

Methods inherited from class cascading.operation.regex.RegexOperation

getPattern

Methods inherited from class cascading.operation.BaseOperation

cleanup, getFieldDeclaration, getNumArgs, getTrace, printOperationInternal, toString, toStringInternal

Methods inherited from class java.lang.Object

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

Field Detail

negateMatch

protected final boolean negateMatch

Field removeMatch

Constructor Detail

RegexMatcher

protected RegexMatcher(String patternString)

RegexMatcher

protected RegexMatcher(String patternString,
                       boolean negateMatch)

RegexMatcher

protected RegexMatcher(Fields fieldDeclaration,
                       String patternString)

RegexMatcher

protected RegexMatcher(Fields fieldDeclaration,
                       String patternString,
                       boolean negateMatch)

Method Detail

prepare

public void prepare(FlowProcess flowProcess,
                    OperationCall<Matcher> operationCall)

Description copied from class: BaseOperation

Method prepare does nothing, and may safely be overridden.

Specified by:

prepare in interface Operation<Matcher>

Overrides:

prepare in class BaseOperation<Matcher>

matchWholeTuple

protected boolean matchWholeTuple(Matcher matcher,
                                  Tuple input)

Method matchWholeTuple ...

Parameters:

matcher -

input - of type Tuple @return boolean

matchEachElement

protected boolean matchEachElement(Matcher matcher,
                                   Tuple input)

Method matchEachElement ...

Parameters:

matcher -

input - of type Tuple @return boolean

matchEachElementPos

protected int matchEachElementPos(Matcher matcher,
                                  Tuple input)