com.amazonaws.jmespath

Class Comparator

java.lang.Object

com.amazonaws.jmespath.Comparator

All Implemented Interfaces:

JmesPathExpression

Direct Known Subclasses:

NumericComparator, OpEquals, OpNotEquals

public abstract class Comparator
extends Object
implements JmesPathExpression

Parent class for different types of comparison operators.

Field Summary

Fields

Modifier and Type	Field and Description
protected JmesPathExpression	lhsExpr Represents the left expression
protected JmesPathExpression	rhsExpr Represents the right expression

Constructor Summary

Constructors

Constructor and Description
Comparator(JmesPathExpression lhsExpr, JmesPathExpression rhsExpr) Constructs a new Comparator with the given lhs amd rhs expressions.

Method Summary

Modifier and Type	Method and Description
JmesPathExpression	getLhsExpr()
JmesPathExpression	getRhsExpr()
abstract boolean	matches(com.fasterxml.jackson.databind.JsonNode lhs, com.fasterxml.jackson.databind.JsonNode rhs) Abstract method definition that is overriden by subclasses to compare the lhs and rhs expressions depending on the particular type of comparator

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.amazonaws.jmespath.JmesPathExpression

accept

Field Detail

lhsExpr

protected final JmesPathExpression lhsExpr

Represents the left expression

rhsExpr

protected final JmesPathExpression rhsExpr

Represents the right expression

Constructor Detail

Comparator

public Comparator(JmesPathExpression lhsExpr,
                  JmesPathExpression rhsExpr)

Constructs a new Comparator with the given lhs amd rhs expressions.

Parameters:

lhsExpr - Left expression

rhsExpr - Right expression

Method Detail

getLhsExpr

public JmesPathExpression getLhsExpr()

getRhsExpr

public JmesPathExpression getRhsExpr()

matches

public abstract boolean matches(com.fasterxml.jackson.databind.JsonNode lhs,
                                com.fasterxml.jackson.databind.JsonNode rhs)

Abstract method definition that is overriden by subclasses to compare the lhs and rhs expressions depending on the particular type of comparator

Parameters:

lhs - Lhs expression

rhs - Rhs expression

Returns:

True if the comparison is evaluated to true; False otherwise