org.openscience.cdk.RingSet Maven / Gradle / Ivy
/* Copyright (C) 1997-2007 Christoph Steinbeck
*
* Contact: [email protected]
*
* 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.
*
* 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 java.io.Serializable;
import org.openscience.cdk.interfaces.IAtom;
import org.openscience.cdk.interfaces.IAtomContainer;
import org.openscience.cdk.interfaces.IBond;
import org.openscience.cdk.interfaces.IRing;
import org.openscience.cdk.interfaces.IRingSet;
/**
* Maintains a set of Ring objects.
*
* @cdk.module data
* @cdk.githash
*
* @cdk.keyword ring, set of
*/
public class RingSet extends AtomContainerSet implements Serializable, IRingSet, Cloneable {
private static final long serialVersionUID = 7168431521057961434L;
/**
* The constructor.
*
*/
public RingSet() {
super();
}
/**
* Returns a vector of all rings that this bond is part of.
*
* @param bond The bond to be checked
* @return A vector of all rings that this bond is part of
*/
@Override
public IRingSet getRings(IBond bond) {
IRingSet rings = bond.getBuilder().newInstance(IRingSet.class);
Ring ring;
for (int i = 0; i < getAtomContainerCount(); i++) {
ring = (Ring) getAtomContainer(i);
if (ring.contains(bond)) {
rings.addAtomContainer(ring);
}
}
return rings;
}
/**
* Returns a vector of all rings that this atom is part of.
*
* @param atom The atom to be checked
* @return A vector of all rings that this bond is part of
*/
@Override
public IRingSet getRings(IAtom atom) {
IRingSet rings = new RingSet();
IRing ring;
for (int i = 0; i < getAtomContainerCount(); i++) {
ring = (Ring) getAtomContainer(i);
if (ring.contains(atom)) {
rings.addAtomContainer(ring);
}
}
return rings;
}
/**
* Returns all the rings in the RingSet that share
* one or more atoms with a given ring.
*
* @param ring A ring with which all return rings must share one or more atoms
* @return All the rings that share one or more atoms with a given ring.
*/
@Override
public IRingSet getConnectedRings(IRing ring) {
IRingSet connectedRings = ring.getBuilder().newInstance(IRingSet.class);
IRing tempRing;
IAtom atom;
for (int i = 0; i < ring.getAtomCount(); i++) {
atom = ring.getAtom(i);
for (int j = 0; j < getAtomContainerCount(); j++) {
tempRing = (IRing) getAtomContainer(j);
if (tempRing != ring && !connectedRings.contains(tempRing) && tempRing.contains(atom)) {
connectedRings.addAtomContainer(tempRing);
}
}
}
return connectedRings;
}
/**
* Adds all rings of another RingSet if they are not already part of this ring set.
*
* If you want to add a single ring to the set use {@link #addAtomContainer(org.openscience.cdk.interfaces.IAtomContainer)}
*
* @param ringSet the ring set to be united with this one.
*/
@Override
public void add(IRingSet ringSet) {
for (int f = 0; f < ringSet.getAtomContainerCount(); f++) {
if (!contains(ringSet.getAtomContainer(f))) {
addAtomContainer(ringSet.getAtomContainer(f));
}
}
}
/**
* True, if at least one of the rings in the ringset contains
* the given atom.
*
* @param atom Atom to check
* @return true, if the ringset contains the atom
*/
@Override
public boolean contains(IAtom atom) {
for (int i = 0; i < getAtomContainerCount(); i++) {
if (getAtomContainer(i).contains(atom)) {
return true;
}
}
return false;
}
/**
* Checks for presence of a ring in this RingSet.
*
* @param ring The ring to check
* @return true if ring is part of RingSet
*
*/
@Override
public boolean contains(IAtomContainer ring) {
for (int i = 0; i < getAtomContainerCount(); i++) {
if (ring == getAtomContainer(i)) {
return true;
}
}
return false;
}
/**
* Clones this RingSet
including the Rings.
*
* @return The cloned object
*/
@Override
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
/**
* Returns the String representation of this RingSet.
*
* @return The String representation of this RingSet
*/
@Override
public String toString() {
StringBuffer buffer = new StringBuffer(32);
buffer.append("RingSet(");
buffer.append(this.hashCode());
if (getAtomContainerCount() > 0) {
buffer.append(", R=").append(getAtomContainerCount()).append(", ");
for (int i = 0; i < atomContainerCount; i++) {
IRing possibleRing = (IRing) atomContainers[i];
buffer.append(possibleRing.toString());
if (i + 1 < atomContainerCount) {
buffer.append(", ");
}
}
}
buffer.append(')');
return buffer.toString();
}
}