org.jeasy.rules.spel

Class SpELRuleFactory

java.lang.Object

org.jeasy.rules.support.AbstractRuleFactory

org.jeasy.rules.spel.SpELRuleFactory

public class SpELRuleFactory
extends AbstractRuleFactory

Factory to create SpELRule instances.

Author:

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

Constructor Summary

Constructors

Constructor and Description
SpELRuleFactory(RuleDefinitionReader reader) Create a new SpELRuleFactory with a given reader.
SpELRuleFactory(RuleDefinitionReader reader, org.springframework.expression.BeanResolver beanResolver) Create a new SpELRuleFactory with a given reader.
SpELRuleFactory(RuleDefinitionReader reader, org.springframework.expression.ParserContext parserContext) Create a new SpELRuleFactory with a given reader.
SpELRuleFactory(RuleDefinitionReader reader, org.springframework.expression.ParserContext parserContext, org.springframework.expression.BeanResolver beanResolver) Create a new SpELRuleFactory with a given reader.

Method Summary

Modifier and Type	Method and Description
Rule	createRule(java.io.Reader ruleDescriptor) Create a new SpELRule from a Reader.
Rules	createRules(java.io.Reader rulesDescriptor) Create a set of SpELRule from a Reader.
protected Rule	createSimpleRule(RuleDefinition ruleDefinition)

Methods inherited from class org.jeasy.rules.support.AbstractRuleFactory

createCompositeRule, createRule

Methods inherited from class java.lang.Object

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

Constructor Detail

SpELRuleFactory

public SpELRuleFactory(RuleDefinitionReader reader)

Create a new SpELRuleFactory with a given reader.

Parameters:

reader - used to read rule definitions

See Also:

YamlRuleDefinitionReader, JsonRuleDefinitionReader

SpELRuleFactory

public SpELRuleFactory(RuleDefinitionReader reader,
                       org.springframework.expression.ParserContext parserContext)

Create a new SpELRuleFactory with a given reader.

Parameters:

reader - used to read rule definitions

parserContext - used to parse SpEL expressions

See Also:

YamlRuleDefinitionReader, JsonRuleDefinitionReader

SpELRuleFactory

public SpELRuleFactory(RuleDefinitionReader reader,
                       org.springframework.expression.BeanResolver beanResolver)

Create a new SpELRuleFactory with a given reader.

Parameters:

reader - used to read rule definitions

beanResolver - used to resolve bean references in SpEL expressions

See Also:

YamlRuleDefinitionReader, JsonRuleDefinitionReader

SpELRuleFactory

public SpELRuleFactory(RuleDefinitionReader reader,
                       org.springframework.expression.ParserContext parserContext,
                       org.springframework.expression.BeanResolver beanResolver)

Create a new SpELRuleFactory with a given reader.

Parameters:

reader - used to read rule definitions

parserContext - used to parse SpEL expressions

beanResolver - used to resolve bean references in SpEL expressions

See Also:

YamlRuleDefinitionReader, JsonRuleDefinitionReader

Method Detail

createRule

public Rule createRule(java.io.Reader ruleDescriptor)
                throws java.lang.Exception

Create a new SpELRule from a Reader. The rule descriptor should contain a single rule definition. If no rule definitions are found, a IllegalArgumentException will be thrown. If more than a rule is defined in the descriptor, the first rule will be returned.

Parameters:

ruleDescriptor - descriptor of rule definition

Returns:

a new rule

Throws:

java.lang.Exception - if unable to create the rule from the descriptor

createRules

public Rules createRules(java.io.Reader rulesDescriptor)
                  throws java.lang.Exception

Create a set of SpELRule from a Reader.

Parameters:

rulesDescriptor - descriptor of rule definitions

Returns:

a set of rules

Throws:

java.lang.Exception - if unable to create rules from the descriptor

createSimpleRule

protected Rule createSimpleRule(RuleDefinition ruleDefinition)

Specified by:

createSimpleRule in class AbstractRuleFactory