cascading.operation.regex

Class RegexMatcher

java.lang.Object

cascading.operation.BaseOperation<C>

cascading.operation.regex.RegexOperation<java.util.regex.Matcher>

cascading.operation.regex.RegexMatcher

All Implemented Interfaces:

DeclaresResults, Operation<java.util.regex.Matcher>, Traceable, java.io.Serializable

Direct Known Subclasses:

AssertMatches, AssertMatchesAll, RegexFilter

public class RegexMatcher
extends RegexOperation<java.util.regex.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

Fields

Modifier and Type	Field and Description
static java.lang.String	DEFAULT_DELIM
protected java.lang.String	delimiter
protected boolean	negateMatch

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

Constructors

Modifier	Constructor and Description
protected	RegexMatcher(Fields fieldDeclaration, java.lang.String patternString)
protected	RegexMatcher(Fields fieldDeclaration, java.lang.String patternString, boolean negateMatch)
protected	RegexMatcher(Fields fieldDeclaration, java.lang.String patternString, boolean negateMatch, java.lang.String delimiter)
protected	RegexMatcher(Fields fieldDeclaration, java.lang.String patternString, java.lang.String delimiter)
protected	RegexMatcher(java.lang.String patternString)
protected	RegexMatcher(java.lang.String patternString, boolean negateMatch)
protected	RegexMatcher(java.lang.String patternString, boolean negateMatch, java.lang.String delimiter)
protected	RegexMatcher(java.lang.String patternString, java.lang.String delimiter)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(java.lang.Object object)
java.lang.String	getDelimiter()
int	hashCode()
boolean	isNegateMatch()
protected boolean	matchEachElement(java.util.regex.Matcher matcher, TupleEntry input)
protected int	matchEachElementPos(java.util.regex.Matcher matcher, TupleEntry input)
protected boolean	matchWholeTuple(java.util.regex.Matcher matcher, TupleEntry input)
void	prepare(FlowProcess flowProcess, OperationCall<java.util.regex.Matcher> operationCall) Method prepare does nothing, and may safely be overridden.

Methods inherited from class cascading.operation.regex.RegexOperation

getPattern, getPatternString

Methods inherited from class cascading.operation.BaseOperation

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

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

DEFAULT_DELIM

public static final java.lang.String DEFAULT_DELIM

See Also:

Constant Field Values

negateMatch

protected final boolean negateMatch

delimiter

protected final java.lang.String delimiter

Constructor Detail

RegexMatcher

@ConstructorProperties(value="patternString")
protected RegexMatcher(java.lang.String patternString)

RegexMatcher

@ConstructorProperties(value={"patternString","delimiter"})
protected RegexMatcher(java.lang.String patternString,
                                  java.lang.String delimiter)

RegexMatcher

@ConstructorProperties(value={"patternString","negateMatch"})
protected RegexMatcher(java.lang.String patternString,
                                  boolean negateMatch)

RegexMatcher

@ConstructorProperties(value={"patternString","negateMatch","delimiter"})
protected RegexMatcher(java.lang.String patternString,
                                  boolean negateMatch,
                                  java.lang.String delimiter)

RegexMatcher

@ConstructorProperties(value={"fieldDeclaration","patternString"})
protected RegexMatcher(Fields fieldDeclaration,
                                  java.lang.String patternString)

RegexMatcher

@ConstructorProperties(value={"fieldDeclaration","patternString","delimiter"})
protected RegexMatcher(Fields fieldDeclaration,
                                  java.lang.String patternString,
                                  java.lang.String delimiter)

RegexMatcher

@ConstructorProperties(value={"fieldDeclaration","patternString","negateMatch"})
protected RegexMatcher(Fields fieldDeclaration,
                                  java.lang.String patternString,
                                  boolean negateMatch)

RegexMatcher

@ConstructorProperties(value={"fieldDeclaration","patternString","negateMatch","delimiter"})
protected RegexMatcher(Fields fieldDeclaration,
                                  java.lang.String patternString,
                                  boolean negateMatch,
                                  java.lang.String delimiter)

Method Detail

isNegateMatch

public final boolean isNegateMatch()

getDelimiter

public final java.lang.String getDelimiter()

prepare

public void prepare(FlowProcess flowProcess,
           OperationCall<java.util.regex.Matcher> operationCall)

Description copied from class: BaseOperation

Method prepare does nothing, and may safely be overridden.

Specified by:

prepare in interface Operation<java.util.regex.Matcher>

Overrides:

prepare in class BaseOperation<java.util.regex.Matcher>

matchWholeTuple

protected boolean matchWholeTuple(java.util.regex.Matcher matcher,
                      TupleEntry input)

matchEachElement

protected boolean matchEachElement(java.util.regex.Matcher matcher,
                       TupleEntry input)

matchEachElementPos

protected int matchEachElementPos(java.util.regex.Matcher matcher,
                      TupleEntry input)

equals

public boolean equals(java.lang.Object object)

Overrides:

equals in class RegexOperation<java.util.regex.Matcher>

hashCode

public int hashCode()

Overrides:

hashCode in class RegexOperation<java.util.regex.Matcher>