Class SpELRule

easy-rules-spel/src/main/java/org/jeasy/rules/spel/SpELRule.java:45–156

A Rule implementation that uses SpEL to evaluate and execute the rule. @author Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)

 * @author Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)
 */
public class SpELRule extends BasicRule {

    private Condition condition = Condition.FALSE;
    private final List<Action> actions = new ArrayList<>();
    private final ParserContext parserContext;
    private BeanResolver beanResolver;

    /**
     * Create a new SpEL rule.
     */
    public SpELRule() {
        this(ParserContext.TEMPLATE_EXPRESSION);
    }

    /**
     * Create a new SpEL rule.
     * 
     * @param parserContext used when parsing expressions
     */
    public SpELRule(ParserContext parserContext) {
        super(Rule.DEFAULT_NAME, Rule.DEFAULT_DESCRIPTION, Rule.DEFAULT_PRIORITY);
        this.parserContext = parserContext;
    }

    /**
     * Create a new SpEL rule.
     *
     * @param beanResolver used to resolve bean references in expressions
     */
    public SpELRule(BeanResolver beanResolver) {
        super(Rule.DEFAULT_NAME, Rule.DEFAULT_DESCRIPTION, Rule.DEFAULT_PRIORITY);
        this.parserContext = ParserContext.TEMPLATE_EXPRESSION;
        this.beanResolver = beanResolver;
    }

    /**
     * Create a new SpEL rule.
     *
     * @param parserContext used when parsing expressions
     * @param beanResolver used to resolve bean references in expressions
     */
    public SpELRule(ParserContext parserContext, BeanResolver beanResolver) {
        super(Rule.DEFAULT_NAME, Rule.DEFAULT_DESCRIPTION, Rule.DEFAULT_PRIORITY);
        this.parserContext = parserContext;
        this.beanResolver = beanResolver;
    }

    /**
     * Set rule name.
     *
     * @param name of the rule
     * @return this rule
     */
    public SpELRule name(String name) {
        this.name = name;
        return this;
    }