| /******************************************************************************* |
| * Copyright (c) 2009 STMicroelectronics. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Xavier Raynaud <xavier.raynaud@st.com> - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.linuxtools.internal.gprof.view.histogram; |
| |
| |
| /** |
| * Element of the hstogram |
| * |
| * @author Xavier Raynaud <xavier.raynaud@st.com> |
| */ |
| public abstract class AbstractTreeElement implements TreeElement { |
| |
| private final TreeElement parent; |
| protected int samples = -1; |
| protected int calls = -1; |
| |
| /** |
| * Constructor |
| * @param parent |
| */ |
| public AbstractTreeElement(TreeElement parent) { |
| this.parent = parent; |
| } |
| |
| /** |
| * Gets the parent of this tree node; |
| * @return a tree node |
| */ |
| @Override |
| public TreeElement getParent() { |
| return parent; |
| } |
| |
| /** |
| * Checks whether this tree node has children |
| * @return <code>true</code> if this tree node has children, |
| * <code>false</code> otherwise. |
| */ |
| @Override |
| public boolean hasChildren() { |
| return true; |
| } |
| |
| @Override |
| public int getCalls() { |
| if (calls == -1) { |
| calls = 0; |
| for (TreeElement elem : getChildren()) { |
| int i = elem.getCalls(); |
| if (i != -1) { |
| calls += elem.getCalls(); |
| } |
| } |
| } |
| return calls; |
| } |
| |
| @Override |
| public int getSamples() { |
| if (samples == -1) { |
| samples = 0; |
| for (TreeElement elem : getChildren()) { |
| samples += elem.getSamples(); |
| } |
| } |
| return samples; |
| } |
| |
| @Override |
| public int getSourceLine() { |
| return 0; |
| } |
| |
| @Override |
| public String getSourcePath() { |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.linuxtools.internal.gprof.view.histogram.TreeElement#getRoot() |
| */ |
| @Override |
| public TreeElement getRoot() { |
| if (parent == null) { |
| return this; |
| } |
| return parent.getRoot(); |
| } |
| } |