Package org.hcjf.layers.query

Class BaseEvaluator

java.lang.Object

org.hcjf.layers.query.BaseEvaluator

All Implemented Interfaces:

Evaluator

Direct Known Subclasses:

BooleanEvaluator, FieldEvaluator

public abstract class BaseEvaluator
extends java.lang.Object
implements Evaluator

Author:

javaito

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	BaseEvaluator.QueryValue	This kind of query value represents a sub-query.
static class	BaseEvaluator.ReplaceableValue	Return the object that is in the specific position into the parameters array.
static interface	BaseEvaluator.UnprocessedValue	This kind of values take the true value in the execution time of the query.

Constructor Summary

Constructors

Constructor	Description
BaseEvaluator()

Method Summary

Modifier and Type	Method	Description
java.util.List<Query.QueryField>	getEvaluatorFields()	This method returns the list of fields that are present into the evaluator.
protected java.lang.Object	getProcessedValue(java.lang.Object currentResultSetElement, java.lang.Object rawValue, Queryable.DataSource dataSource, Queryable.Consumer consumer)	Return the value to compare with the field's object of the data collection's instance.
boolean	isTrueForced()	This method indicate that the evaluator is forced to returns true;
void	setEvaluatorFields(java.util.List<Query.QueryField> evaluatorFields)	This method set the list of fields present into the evaluator.
void	setTrueForced(boolean trueForced)	Set if the evaluator id forced to return true or not.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hcjf.layers.query.Evaluator

evaluate

Constructor Detail

BaseEvaluator

public BaseEvaluator()

Method Detail

isTrueForced

public boolean isTrueForced()

This method indicate that the evaluator is forced to returns true;

Returns:

True if the evaluator is forced and false in the otherwise.

setTrueForced

public void setTrueForced(boolean trueForced)

Set if the evaluator id forced to return true or not.

Parameters:

trueForced - True id the evaluator id forced and false in the otherwise.

getEvaluatorFields

public final java.util.List<Query.QueryField> getEvaluatorFields()

This method returns the list of fields that are present into the evaluator.

Returns:

List of the fields present into the evaluator.

setEvaluatorFields

public final void setEvaluatorFields(java.util.List<Query.QueryField> evaluatorFields)

This method set the list of fields present into the evaluator.

Parameters:

evaluatorFields - List of fields present into the evaluator.

getProcessedValue

protected final java.lang.Object getProcessedValue(java.lang.Object currentResultSetElement,
                                                   java.lang.Object rawValue,
                                                   Queryable.DataSource dataSource,
                                                   Queryable.Consumer consumer)

Return the value to compare with the field's object of the data collection's instance.

Parameters:

currentResultSetElement - Is the result set element to evaluate.

dataSource - Query associated data source.

consumer - Query associated data consumer.

rawValue - Raw value

Returns:

Object value.