org.apache.gora.filter

Class SingleFieldValueFilter<K,T extends PersistentBase>

java.lang.Object

org.apache.gora.filter.SingleFieldValueFilter<K,T>

Type Parameters:

K -

T -

All Implemented Interfaces:

Filter<K,T>, org.apache.hadoop.io.Writable

public class SingleFieldValueFilter<K,T extends PersistentBase>
extends Object
implements Filter<K,T>

A filter that checks for a single field in the persistent.

Field Summary

Fields

Modifier and Type	Field and Description
protected String	fieldName
protected boolean	filterIfMissing
protected FilterOp	filterOp
protected List<Object>	operands

Constructor Summary

Constructors

Constructor and Description
SingleFieldValueFilter()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	filter(K key, T persistent) Filter the key and persistent.
String	getFieldName()
FilterOp	getFilterOp()
List<Object>	getOperands()
boolean	isFilterIfMissing()
void	readFields(DataInput in)
void	setFieldName(String fieldName)
void	setFilterIfMissing(boolean filterIfMissing)
void	setFilterOp(FilterOp filterOp)
void	setOperands(List<Object> operands)
String	toString()
void	write(DataOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

fieldName

protected String fieldName

filterOp

protected FilterOp filterOp

operands

protected List<Object> operands

filterIfMissing

protected boolean filterIfMissing

Constructor Detail

SingleFieldValueFilter

public SingleFieldValueFilter()

Method Detail

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException

filter

public boolean filter(K key,
             T persistent)

Description copied from interface: Filter

Filter the key and persistent. Modification is possible.

Specified by:

filter in interface Filter<K,T extends PersistentBase>

Returns:

true if the row is filtered out (excluded), false otherwise.

getFieldName

public String getFieldName()

setFieldName

public void setFieldName(String fieldName)

getFilterOp

public FilterOp getFilterOp()

setFilterOp

public void setFilterOp(FilterOp filterOp)

getOperands

public List<Object> getOperands()

setOperands

public void setOperands(List<Object> operands)

setFilterIfMissing

public void setFilterIfMissing(boolean filterIfMissing)

isFilterIfMissing

public boolean isFilterIfMissing()

toString

public String toString()

Overrides:

toString in class Object