com.redhat.lightblue.eval

Class QueryEvaluator

java.lang.Object

com.redhat.lightblue.eval.QueryEvaluator

Direct Known Subclasses:

ArrayContainsEvaluator, ArrayMatchEvaluator, FieldComparisonEvaluator, NaryFieldRelationalExpressionEvaluator, NaryLogicalExpressionEvaluator, NaryValueRelationalExpressionEvaluator, RegexEvaluator, UnaryLogicalExpressionEvaluator, ValueComparisonEvaluator

public abstract class QueryEvaluator
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static QueryEvaluator	MATCH_ALL_EVALUATOR

Constructor Summary

Constructors

Constructor and Description
QueryEvaluator()

Method Summary

Modifier and Type	Method and Description
QueryEvaluationContext	evaluate(JsonDoc doc)
abstract boolean	evaluate(QueryEvaluationContext ctx)
static QueryEvaluator	getInstance(QueryExpression expr, EntityMetadata md)
static QueryEvaluator	getInstance(QueryExpression expr, FieldTreeNode context)

Methods inherited from class java.lang.Object

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

Field Detail

MATCH_ALL_EVALUATOR

public static final QueryEvaluator MATCH_ALL_EVALUATOR

Constructor Detail

QueryEvaluator

public QueryEvaluator()

Method Detail

evaluate

public abstract boolean evaluate(QueryEvaluationContext ctx)

evaluate

public QueryEvaluationContext evaluate(JsonDoc doc)

getInstance

public static QueryEvaluator getInstance(QueryExpression expr,
                                         EntityMetadata md)

getInstance

public static QueryEvaluator getInstance(QueryExpression expr,
                                         FieldTreeNode context)