XmiOperationElement.java

package controller.comparer.xmi;

import java.util.ArrayList;

import org.apache.commons.lang.StringUtils;

public class XmiOperationElement extends XmiBaseElement {

	private ArrayList<XmiParameterElement> parameters;
	
	public XmiOperationElement(String id, String name, String type,
			String visibility) {
		super(id, name, type, visibility);

		this.parameters = new ArrayList<XmiParameterElement>();
	}

	public ArrayList<XmiParameterElement> getParameters() {
		return parameters;
	}

	public void addParameter(XmiParameterElement parameter) {
		this.parameters.add(parameter);
	}

	@Override
	public String toString() {
		
		String formalParams;
		String returnValue = "void";
		ArrayList<XmiParameterElement> listParam = new ArrayList<XmiParameterElement>();
		
		for (XmiParameterElement param: parameters) {
			if (param.getDirection() == XmiParameterElement.DIRECTION_RETURN) {
				returnValue = param.getName();
			} else {
				listParam.add(param);
			}
		}
		
		formalParams = StringUtils.join(listParam, ", ");
		
		return "Operation: " + super.getVisibility() + " " + returnValue + "(" + formalParams + ")";
	}

	/* (non-Javadoc)
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode() {
		final int prime = 31;
		int result = super.hashCode();
		result = prime * result
				+ ((parameters == null) ? 0 : parameters.hashCode());
		return result;
	}

	/* (non-Javadoc)
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object obj) {
		if (this == obj) {
			return true;
		}
		if (!super.equals(obj)) {
			return false;
		}
		if (!(obj instanceof XmiOperationElement)) {
			return false;
		}
		XmiOperationElement other = (XmiOperationElement) obj;
		if (parameters == null) {
			if (other.parameters != null) {
				return false;
			}
		} else if (!parameters.equals(other.parameters)) {
			return false;
		}
		return true;
	}
	

}