org.jeasy.rules.support.reader

Class JsonRuleDefinitionReader

java.lang.Object

org.jeasy.rules.support.reader.AbstractRuleDefinitionReader

org.jeasy.rules.support.reader.JsonRuleDefinitionReader

All Implemented Interfaces:

RuleDefinitionReader

public class JsonRuleDefinitionReader
extends AbstractRuleDefinitionReader

Rule definition reader based on Jackson. This reader expects an array of rule definitions as input even for a single rule. For example:

     [{rule1}, {rule2}]
 

Author:

Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)

Constructor Summary

Constructors

Constructor and Description
JsonRuleDefinitionReader() Create a new JsonRuleDefinitionReader.
JsonRuleDefinitionReader(com.fasterxml.jackson.databind.ObjectMapper objectMapper) Create a new JsonRuleDefinitionReader.

Method Summary

Modifier and Type	Method and Description
protected java.lang.Iterable<java.util.Map<java.lang.String,java.lang.Object>>	loadRules(java.io.Reader reader) Load rules from the given reader as an iterable of Maps.

Methods inherited from class org.jeasy.rules.support.reader.AbstractRuleDefinitionReader

createRuleDefinition, read

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonRuleDefinitionReader

public JsonRuleDefinitionReader()

Create a new JsonRuleDefinitionReader.

JsonRuleDefinitionReader

public JsonRuleDefinitionReader(com.fasterxml.jackson.databind.ObjectMapper objectMapper)

Create a new JsonRuleDefinitionReader.

Parameters:

objectMapper - to use to read rule definitions

Method Detail

loadRules

protected java.lang.Iterable<java.util.Map<java.lang.String,java.lang.Object>> loadRules(java.io.Reader reader)
                                                                                  throws java.lang.Exception

Description copied from class: AbstractRuleDefinitionReader

Load rules from the given reader as an iterable of Maps.

Specified by:

loadRules in class AbstractRuleDefinitionReader

Parameters:

reader - to read rules from

Returns:

an iterable of rule Maps

Throws:

java.lang.Exception - if unable to load rules