prajna.data

Class DataFilter

java.lang.Object

prajna.data.DataFilter

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

DocFilter, EnumFieldFilter, GuiDataFilter, TimeSpanFilter, WordFilter

public abstract class DataFilter
extends java.lang.Object
implements java.io.Serializable

Class for determining whether a particular data record matches some restriction.

Author:

Edward Swing

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DataFilter()

Method Summary

Methods

Modifier and Type	Method and Description
abstract boolean	accept(DataRecord record) Return whether the DataRecord is accepted by this filter.
java.util.Set<DataRecord>	filterRecords(java.util.Collection<DataRecord> records) Filter a collection of records.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataFilter

public DataFilter()

Method Detail

accept

public abstract boolean accept(DataRecord record)

Return whether the DataRecord is accepted by this filter.

Parameters:

record - the data record to match.

Returns:

true if the record matches the filter, false otherwise

filterRecords

public java.util.Set<DataRecord> filterRecords(java.util.Collection<DataRecord> records)

Filter a collection of records. Only those records which match this filter will be returned.

Parameters:

records - a collection of records

Returns:

The set of records which match the filter