/* $Revision$ $Author$$Date$
*
* Copyright (C) 2006-2007 Egon Willighagen <ewilligh@uni-koeln.de>
*
* Contact: cdk-devel@lists.sourceforge.net
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
* All we ask is that proper credit is given for our work, which includes
* - but is not limited to - adding the above copyright notice to the beginning
* of your source code files, and to any copyright notice that you may distribute
* with programs based on this work.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.openscience.cdk;
import org.openscience.cdk.interfaces.IAtom;
import org.openscience.cdk.interfaces.IAtomContainer;
import org.openscience.cdk.interfaces.IFragmentAtom;
/**
* Class to represent an IPseudoAtom which embeds an IAtomContainer. Very much
* like the MDL Molfile <code>Group</code> concept.
*
* @cdk.module data
* @cdk.githash
*
* @author egonw
*/
public class FragmentAtom extends PseudoAtom implements IFragmentAtom {
private static final long serialVersionUID = -6144605920605752463L;
private IAtomContainer fragment;
private boolean isExpanded;
public FragmentAtom() {
fragment = this.getBuilder().newAtomContainer();
isExpanded = false;
}
public boolean isExpanded() {
return isExpanded;
}
public void setExpanded(boolean bool) {
this.isExpanded = bool;
}
public IAtomContainer getFragment() {
return fragment;
}
public void setFragment(IAtomContainer fragment) {
this.fragment = fragment;
}
public void setExactMass(Double mass) {
throw new IllegalAccessError("Cannot set the mass of a IFragmentAtom.");
}
/**
* The exact mass of an FragmentAtom is defined as the sum of exact masses
* of the IAtom's in the fragment.
*/
public Double getExactMass() {
double totalMass = 0.0;
for (IAtom atom : fragment.atoms()) {
totalMass += atom.getExactMass();
}
return totalMass;
}
public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append("FragmentAtom{").append(hashCode());
buffer.append(", A=").append(super.toString());
if (fragment != null) {
buffer.append(", F=").append(fragment.toString());
}
buffer.append('}');
return buffer.toString();
}
}