org.apache.solr.client.solrj.io.eval

Class TemporalEvaluator

java.lang.Object

org.apache.solr.client.solrj.io.eval.ComplexEvaluator

org.apache.solr.client.solrj.io.eval.TemporalEvaluator

All Implemented Interfaces:

Serializable, StreamEvaluator, Expressible

Direct Known Subclasses:

TemporalEvaluatorDay, TemporalEvaluatorDayOfQuarter, TemporalEvaluatorDayOfYear, TemporalEvaluatorEpoch, TemporalEvaluatorHour, TemporalEvaluatorMinute, TemporalEvaluatorMonth, TemporalEvaluatorQuarter, TemporalEvaluatorSecond, TemporalEvaluatorWeek, TemporalEvaluatorYear

public abstract class TemporalEvaluator
extends ComplexEvaluator

A generic date evaluator for use with a TemporalAccessor

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.solr.client.solrj.io.eval.ComplexEvaluator

constructingFactory, nodeId, serialVersionUID, streamContext, subEvaluators

Constructor Summary

Constructors

Constructor and Description
TemporalEvaluator(StreamExpression expression, StreamFactory factory)

Method Summary

Modifier and Type	Method and Description
Object	evaluate(Tuple tuple)
abstract Object	evaluateDate(TemporalAccessor aDate)
abstract String	getFunction()
protected Instant	getInstant(String dateStr)
Explanation	toExplanation(StreamFactory factory) Returns an explanation about the stream object
StreamExpressionParameter	toExpression(StreamFactory factory)

Methods inherited from class org.apache.solr.client.solrj.io.eval.ComplexEvaluator

getStreamContext, setStreamContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.solr.client.solrj.io.eval.StreamEvaluator

evaluateOverContext

Constructor Detail

TemporalEvaluator

public TemporalEvaluator(StreamExpression expression,
                         StreamFactory factory)
                  throws IOException

Throws:

IOException

Method Detail

evaluate

public Object evaluate(Tuple tuple)
                throws IOException

Throws:

IOException

evaluateDate

public abstract Object evaluateDate(TemporalAccessor aDate)
                             throws IOException

Throws:

IOException

getFunction

public abstract String getFunction()

getInstant

protected Instant getInstant(String dateStr)
                      throws IOException

Throws:

IOException

toExpression

public StreamExpressionParameter toExpression(StreamFactory factory)
                                       throws IOException

Specified by:

toExpression in interface Expressible

Overrides:

toExpression in class ComplexEvaluator

Throws:

IOException

toExplanation

public Explanation toExplanation(StreamFactory factory)
                          throws IOException

Description copied from interface: Expressible

Returns an explanation about the stream object

Specified by:

toExplanation in interface Expressible

Overrides:

toExplanation in class ComplexEvaluator

Parameters:

factory - Stream factory for this, contains information about the function name

Returns:

Explanation about this stream object containing explanations of any child stream objects

Throws:

IOException - throw on any error