InvocableMemberMetadata.java

package org.springframework.roo.classpath.details;

import java.util.List;

import org.springframework.roo.classpath.details.annotations.AnnotatedJavaType;
import org.springframework.roo.classpath.details.comments.CommentedJavaStructure;
import org.springframework.roo.model.JavaSymbolName;
import org.springframework.roo.model.JavaType;

/**
 * Metadata concerning an invocable member, namely a method or constructor.
 * 
 * @author Ben Alex
 * @author Juan Carlos García
 * @since 1.0
 */
public interface InvocableMemberMetadata extends IdentifiableAnnotatedJavaStructure,
    CommentedJavaStructure, GenericMethodJavaStructure {

  /**
   * @return the body of the method, if available (can be null if unavailable)
   */
  String getBody();

  /**
   * @return the parameter names, if available (never null, but may be an
   *         empty)
   */
  List<JavaSymbolName> getParameterNames();

  /**
   * @return the parameter types (never null, but may be an empty)
   */
  List<AnnotatedJavaType> getParameterTypes();

  /**
   * @return a list of types that the invocable member can throw (never null)
   */
  List<JavaType> getThrowsTypes();
}