Allowing rule to specify a RuleExecutor instance for #60

validation/src/main/java/org/springjutsu/validation/ValidationManager.java

@@ -476,7 +476,11 @@ protected boolean passes(ValidationRule rule, ValidationEvaluationContext contex
 
 		// call method
 		boolean isValid;
-		RuleExecutor executor = ruleExecutorContainer.getRuleExecutorByName(rule.getType());
+		RuleExecutor executor = rule.getRuleExecutor();
+		if (executor == null) {
+			executor = ruleExecutorContainer.getRuleExecutorByName(rule.getType());
+		}
+
 		try {
 			// perform conversion on argument
 			Object convertedRuleArg = convertRuleArgument(ruleArg, executor);

validation/src/main/java/org/springjutsu/validation/rules/ValidationRule.java

@@ -18,6 +18,8 @@
 
 import java.util.ArrayList;
 
+import org.springjutsu.validation.executors.RuleExecutor;
+
 /**
  * Java representation of an XML validation rule.
  * @author Clark Duplichien
@@ -37,6 +39,14 @@ public class ValidationRule extends AbstractRuleHolder {
 	 */
 	protected String type;
 
+	/**
+	 * An actual rule executor implementation,
+	 * as an optional replacement for a String type declaration.
+	 * Useful for creating rules whose logic is defined
+	 * in a lamda expression, or SPEL expression (future feature).
+	 */
+	protected RuleExecutor<?, ?> ruleExecutor;
+
 	/**
 	 * This is the argument to be passed
 	 * to the rule executor.
@@ -160,6 +170,14 @@ public void setType(String type) {
 		this.type = type;
 	}
 
+	public RuleExecutor<?, ?> getRuleExecutor() {
+		return ruleExecutor;
+	}
+
+	public void setRuleExecutor(RuleExecutor<?, ?> ruleExecutor) {
+		this.ruleExecutor = ruleExecutor;
+	}
+
 	/**
 	 * @return the value / argument
 	 */