/**
* Takes an object which subclasses IChemObject, e.g.Molecule, and will read this (from file,
* database, internet etc). If the specific implementation does not support a specific IChemObject
* it will throw an Exception.
*
* @param object The object that subclasses IChemObject
* @return The IChemObject read
* @exception CDKException
*/
public IChemObject read(IChemObject object) throws CDKException {
if (object instanceof IReaction) {
return (IChemObject) readReaction(object.getBuilder());
} else if (object instanceof IReactionSet) {
IReactionSet reactionSet = object.getBuilder().newReactionSet();
reactionSet.addReaction(readReaction(object.getBuilder()));
return reactionSet;
} else if (object instanceof IChemModel) {
IChemModel model = object.getBuilder().newChemModel();
IReactionSet reactionSet = object.getBuilder().newReactionSet();
reactionSet.addReaction(readReaction(object.getBuilder()));
model.setReactionSet(reactionSet);
return model;
} else if (object instanceof IChemFile) {
IChemFile chemFile = object.getBuilder().newChemFile();
IChemSequence sequence = object.getBuilder().newChemSequence();
sequence.addChemModel((IChemModel) read(object.getBuilder().newChemModel()));
chemFile.addChemSequence(sequence);
return chemFile;
} else {
throw new CDKException(
"Only supported are Reaction and ChemModel, and not "
+ object.getClass().getName()
+ ".");
}
}
/**
* A unit test suite for JUnit for Ethene. Reaction: O=C-C-H => O(H)-C=C. Automatic looking for
* active center.
*
* @cdk.inchi InChI=1/C2H4/c1-2/h1-2H2
* @return The test suite
*/
@Test
public void testInitiate_IMoleculeSet_IMoleculeSet() throws Exception {
IReactionProcess type = new AdductionProtonPBReaction();
IMolecule molecule = getEthene();
IMoleculeSet setOfReactants = DefaultChemObjectBuilder.getInstance().newMoleculeSet();
setOfReactants.addMolecule(molecule);
/* initiate */
List<IParameterReact> paramList = new ArrayList<IParameterReact>();
IParameterReact param = new SetReactionCenter();
param.setParameter(Boolean.FALSE);
paramList.add(param);
type.setParameterList(paramList);
IReactionSet setOfReactions = type.initiate(setOfReactants, null);
Assert.assertEquals(2, setOfReactions.getReactionCount());
Assert.assertEquals(1, setOfReactions.getReaction(0).getProductCount());
IMolecule product = setOfReactions.getReaction(0).getProducts().getMolecule(0);
IMolecule molecule2 = getExpected();
IQueryAtomContainer queryAtom =
QueryAtomContainerCreator.createSymbolAndChargeQueryContainer(product);
Assert.assertTrue(UniversalIsomorphismTester.isIsomorph(molecule2, queryAtom));
}
/**
* A unit test suite for JUnit.
*
* @cdk.inchi InChI=1/C2H4/c1-2/h1-2H2
* @return The test suite
*/
@Test
public void testCDKConstants_REACTIVE_CENTER() throws Exception {
IReactionProcess type = new AdductionProtonPBReaction();
IMoleculeSet setOfReactants = builder.newMoleculeSet();
IMolecule molecule = getEthene();
/*manually putting the active center*/
molecule.getAtom(0).setFlag(CDKConstants.REACTIVE_CENTER, true);
molecule.getAtom(1).setFlag(CDKConstants.REACTIVE_CENTER, true);
molecule.getBond(0).setFlag(CDKConstants.REACTIVE_CENTER, true);
setOfReactants.addMolecule(molecule);
List<IParameterReact> paramList = new ArrayList<IParameterReact>();
IParameterReact param = new SetReactionCenter();
param.setParameter(Boolean.TRUE);
paramList.add(param);
type.setParameterList(paramList);
/* initiate */
IReactionSet setOfReactions = type.initiate(setOfReactants, null);
IMolecule reactant = setOfReactions.getReaction(0).getReactants().getMolecule(0);
Assert.assertTrue(molecule.getAtom(0).getFlag(CDKConstants.REACTIVE_CENTER));
Assert.assertTrue(reactant.getAtom(0).getFlag(CDKConstants.REACTIVE_CENTER));
Assert.assertTrue(molecule.getAtom(1).getFlag(CDKConstants.REACTIVE_CENTER));
Assert.assertTrue(reactant.getAtom(1).getFlag(CDKConstants.REACTIVE_CENTER));
Assert.assertTrue(molecule.getBond(0).getFlag(CDKConstants.REACTIVE_CENTER));
Assert.assertTrue(reactant.getBond(0).getFlag(CDKConstants.REACTIVE_CENTER));
}
/**
* A unit test suite for JUnit. Reaction:
*
* @return The test suite
*/
@Test
@Override
public void testInitiate_IAtomContainerSet_IAtomContainerSet() throws Exception {
IReactionProcess type = new RadicalSiteHrBetaReaction();
IAtomContainerSet setOfReactants = getExampleReactants();
/* initiate */
List<IParameterReact> paramList = new ArrayList<IParameterReact>();
IParameterReact param = new SetReactionCenter();
param.setParameter(Boolean.FALSE);
paramList.add(param);
type.setParameterList(paramList);
IReactionSet setOfReactions = type.initiate(setOfReactants, null);
Assert.assertEquals(3, setOfReactions.getReactionCount());
Assert.assertEquals(1, setOfReactions.getReaction(0).getProductCount());
IAtomContainer product = setOfReactions.getReaction(0).getProducts().getAtomContainer(0);
IAtomContainer molecule2 = getExpectedProducts().getAtomContainer(0);
IQueryAtomContainer queryAtom =
QueryAtomContainerCreator.createSymbolAndChargeQueryContainer(product);
Assert.assertTrue(new UniversalIsomorphismTester().isIsomorph(molecule2, queryAtom));
}
/**
* A unit test suite for JUnit.
*
* @return The test suite
*/
@Test
public void testCDKConstants_REACTIVE_CENTER() throws Exception {
IReactionProcess type = new RadicalSiteHrBetaReaction();
IAtomContainerSet setOfReactants = getExampleReactants();
IAtomContainer molecule = setOfReactants.getAtomContainer(0);
/* manually put the reactive center */
molecule.getAtom(3).setFlag(CDKConstants.REACTIVE_CENTER, true);
molecule.getAtom(0).setFlag(CDKConstants.REACTIVE_CENTER, true);
molecule.getAtom(6).setFlag(CDKConstants.REACTIVE_CENTER, true);
molecule.getBond(5).setFlag(CDKConstants.REACTIVE_CENTER, true);
List<IParameterReact> paramList = new ArrayList<IParameterReact>();
IParameterReact param = new SetReactionCenter();
param.setParameter(Boolean.TRUE);
paramList.add(param);
type.setParameterList(paramList);
/* initiate */
IReactionSet setOfReactions = type.initiate(setOfReactants, null);
IAtomContainer reactant = setOfReactions.getReaction(0).getReactants().getAtomContainer(0);
Assert.assertTrue(molecule.getAtom(6).getFlag(CDKConstants.REACTIVE_CENTER));
Assert.assertTrue(reactant.getAtom(6).getFlag(CDKConstants.REACTIVE_CENTER));
Assert.assertTrue(molecule.getAtom(0).getFlag(CDKConstants.REACTIVE_CENTER));
Assert.assertTrue(reactant.getAtom(0).getFlag(CDKConstants.REACTIVE_CENTER));
Assert.assertTrue(molecule.getAtom(3).getFlag(CDKConstants.REACTIVE_CENTER));
Assert.assertTrue(reactant.getAtom(3).getFlag(CDKConstants.REACTIVE_CENTER));
Assert.assertTrue(molecule.getBond(5).getFlag(CDKConstants.REACTIVE_CENTER));
Assert.assertTrue(reactant.getBond(5).getFlag(CDKConstants.REACTIVE_CENTER));
}
/**
* Get the resonance structures from an IMolecule.
*
* @param molecule The IMolecule to analyze
* @return The different resonance structures
*/
@TestMethod("testGetStructures_IMolecule")
public IMoleculeSet getStructures(IMolecule molecule) {
int countStructure = 0;
IMoleculeSet setOfMol = molecule.getBuilder().newMoleculeSet();
setOfMol.addMolecule(molecule);
for (int i = 0; i < setOfMol.getMoleculeCount(); i++) {
IMolecule mol = setOfMol.getMolecule(i);
for (IReactionProcess aReactionsList : reactionsList) {
IReactionProcess reaction = aReactionsList;
IMoleculeSet setOfReactants = molecule.getBuilder().newMoleculeSet();
setOfReactants.addMolecule(mol);
try {
IReactionSet setOfReactions = reaction.initiate(setOfReactants, null);
if (setOfReactions.getReactionCount() != 0)
for (int k = 0; k < setOfReactions.getReactionCount(); k++)
for (int j = 0;
j < setOfReactions.getReaction(k).getProducts().getAtomContainerCount();
j++) {
IMolecule product = setOfReactions.getReaction(k).getProducts().getMolecule(j);
if (!existAC(setOfMol, product)) {
setOfMol.addMolecule(product);
countStructure++;
if (countStructure > maxStructures) return setOfMol;
}
}
} catch (CDKException e) {
e.printStackTrace();
}
}
}
return setOfMol;
}
/**
* Initiate process. It is needed to call the addExplicitHydrogensToSatisfyValency from the class
* tools.HydrogenAdder.
*
* @param reactants reactants of the reaction
* @param agents agents of the reaction (Must be in this case null)
* @exception CDKException Description of the Exception
*/
@TestMethod("testInitiate_IMoleculeSet_IMoleculeSet")
public IReactionSet initiate(IMoleculeSet reactants, IMoleculeSet agents) throws CDKException {
logger.debug("initiate reaction: HeterolyticCleavagePBReaction");
if (reactants.getMoleculeCount() != 1) {
throw new CDKException("HeterolyticCleavagePBReaction only expects one reactant");
}
if (agents != null) {
throw new CDKException("HeterolyticCleavagePBReaction don't expects agents");
}
IReactionSet setOfReactions =
DefaultChemObjectBuilder.getInstance().newInstance(IReactionSet.class);
IMolecule reactant = reactants.getMolecule(0);
/* if the parameter hasActiveCenter is not fixed yet, set the active centers*/
IParameterReact ipr = super.getParameterClass(SetReactionCenter.class);
if (ipr != null && !ipr.isSetParameter()) setActiveCenters(reactant);
Iterator<IBond> bondis = reactant.bonds().iterator();
while (bondis.hasNext()) {
IBond bondi = bondis.next();
IAtom atom1 = bondi.getAtom(0);
IAtom atom2 = bondi.getAtom(1);
if (bondi.getFlag(CDKConstants.REACTIVE_CENTER)
&& bondi.getOrder() != IBond.Order.SINGLE
&& atom1.getFlag(CDKConstants.REACTIVE_CENTER)
&& atom2.getFlag(CDKConstants.REACTIVE_CENTER)
&& (atom1.getFormalCharge() == CDKConstants.UNSET ? 0 : atom1.getFormalCharge()) == 0
&& (atom2.getFormalCharge() == CDKConstants.UNSET ? 0 : atom2.getFormalCharge()) == 0
&& reactant.getConnectedSingleElectronsCount(atom1) == 0
&& reactant.getConnectedSingleElectronsCount(atom2) == 0) {
/**/
for (int j = 0; j < 2; j++) {
ArrayList<IAtom> atomList = new ArrayList<IAtom>();
if (j == 0) {
atomList.add(atom1);
atomList.add(atom2);
} else {
atomList.add(atom2);
atomList.add(atom1);
}
ArrayList<IBond> bondList = new ArrayList<IBond>();
bondList.add(bondi);
IMoleculeSet moleculeSet = reactant.getBuilder().newInstance(IMoleculeSet.class);
moleculeSet.addMolecule(reactant);
IReaction reaction = mechanism.initiate(moleculeSet, atomList, bondList);
if (reaction == null) continue;
else setOfReactions.addReaction(reaction);
}
}
}
return setOfReactions;
}
private static void setReactionIDs(final IChemModel chemModel) {
// we give all reactions an ID, in case they have none
// IDs are needed for handling in JCP
final IReactionSet reactionSet = chemModel.getReactionSet();
if (reactionSet != null) {
int i = 0;
for (final IReaction reaction : reactionSet.reactions()) {
if (reaction.getID() == null) {
reaction.setID("Reaction " + ++i);
}
}
}
}
@TestMethod("testReadReactions1")
public <T extends IChemObject> T read(T object) throws CDKException {
if (object instanceof IReaction) {
return (T) readReaction(object.getBuilder());
} else if (object instanceof IChemModel) {
IChemModel model = object.getBuilder().newInstance(IChemModel.class);
IReactionSet reactionSet = object.getBuilder().newInstance(IReactionSet.class);
reactionSet.addReaction(readReaction(object.getBuilder()));
model.setReactionSet(reactionSet);
return (T) model;
} else {
throw new CDKException(
"Only supported are Reaction and ChemModel, and not "
+ object.getClass().getName()
+ ".");
}
}
private IReaction checkForXReactionFile(IChemFile chemFile, int numberOfReactions) {
Assert.assertNotNull(chemFile);
Assert.assertEquals(chemFile.getChemSequenceCount(), 1);
org.openscience.cdk.interfaces.IChemSequence seq = chemFile.getChemSequence(0);
Assert.assertNotNull(seq);
Assert.assertEquals(seq.getChemModelCount(), 1);
org.openscience.cdk.interfaces.IChemModel model = seq.getChemModel(0);
Assert.assertNotNull(model);
IReactionSet reactionSet = model.getReactionSet();
Assert.assertNotNull(reactionSet);
Assert.assertEquals(reactionSet.getReactionCount(), numberOfReactions);
IReaction reaction = null;
for (int i = 0; i < numberOfReactions; i++) {
reaction = reactionSet.getReaction(i);
Assert.assertNotNull(reaction);
}
return reaction;
}
/**
* A unit test suite for JUnit.
*
* @cdk.inchi InChI=1/C2H4/c1-2/h1-2H2
* @return The test suite
*/
@Test
public void testMapping() throws Exception {
IReactionProcess type = new AdductionProtonPBReaction();
IMoleculeSet setOfReactants = DefaultChemObjectBuilder.getInstance().newMoleculeSet();
IMolecule molecule = getEthene();
setOfReactants.addMolecule(molecule);
/*automatic looking for active center*/
List<IParameterReact> paramList = new ArrayList<IParameterReact>();
IParameterReact param = new SetReactionCenter();
param.setParameter(Boolean.FALSE);
paramList.add(param);
type.setParameterList(paramList);
/* initiate */
IReactionSet setOfReactions = type.initiate(setOfReactants, null);
IMolecule product = setOfReactions.getReaction(0).getProducts().getMolecule(0);
Assert.assertEquals(3, setOfReactions.getReaction(0).getMappingCount());
IAtom mappedProductA1 =
(IAtom)
ReactionManipulator.getMappedChemObject(
setOfReactions.getReaction(0), molecule.getAtom(0));
Assert.assertEquals(mappedProductA1, product.getAtom(0));
mappedProductA1 =
(IAtom)
ReactionManipulator.getMappedChemObject(
setOfReactions.getReaction(0), molecule.getAtom(1));
Assert.assertEquals(mappedProductA1, product.getAtom(1));
IBond mappedProductB1 =
(IBond)
ReactionManipulator.getMappedChemObject(
setOfReactions.getReaction(0), molecule.getBond(0));
Assert.assertEquals(mappedProductB1, product.getBond(0));
}
/**
* A unit test suite for JUnit.
*
* @return The test suite
*/
@Test
public void testMapping() throws Exception {
IReactionProcess type = new RadicalSiteHrBetaReaction();
IAtomContainerSet setOfReactants = getExampleReactants();
IAtomContainer molecule = setOfReactants.getAtomContainer(0);
/* automatic search of the center active */
List<IParameterReact> paramList = new ArrayList<IParameterReact>();
IParameterReact param = new SetReactionCenter();
param.setParameter(Boolean.FALSE);
paramList.add(param);
type.setParameterList(paramList);
/* initiate */
IReactionSet setOfReactions = type.initiate(setOfReactants, null);
IAtomContainer product = setOfReactions.getReaction(0).getProducts().getAtomContainer(0);
Assert.assertEquals(19, setOfReactions.getReaction(0).getMappingCount());
IAtom mappedProductA1 =
(IAtom)
ReactionManipulator.getMappedChemObject(
setOfReactions.getReaction(0), molecule.getAtom(0));
Assert.assertEquals(mappedProductA1, product.getAtom(0));
IAtom mappedProductA2 =
(IAtom)
ReactionManipulator.getMappedChemObject(
setOfReactions.getReaction(0), molecule.getAtom(6));
Assert.assertEquals(mappedProductA2, product.getAtom(6));
IAtom mappedProductA3 =
(IAtom)
ReactionManipulator.getMappedChemObject(
setOfReactions.getReaction(0), molecule.getAtom(3));
Assert.assertEquals(mappedProductA3, product.getAtom(3));
}
/**
* Initiate process. It is needed to call the addExplicitHydrogensToSatisfyValency from the class
* tools.HydrogenAdder.
*
* @exception CDKException Description of the Exception
* @param reactants reactants of the reaction.
* @param agents agents of the reaction (Must be in this case null).
*/
@TestMethod("testInitiate_IAtomContainerSet_IAtomContainerSet")
public IReactionSet initiate(IAtomContainerSet reactants, IAtomContainerSet agents)
throws CDKException {
logger.debug("initiate reaction: RearrangementRadicalReaction");
if (reactants.getAtomContainerCount() != 1) {
throw new CDKException("RearrangementRadicalReaction only expects one reactant");
}
if (agents != null) {
throw new CDKException("RearrangementRadicalReaction don't expects agents");
}
IReactionSet setOfReactions =
DefaultChemObjectBuilder.getInstance().newInstance(IReactionSet.class);
IAtomContainer reactant = reactants.getAtomContainer(0);
/* if the parameter hasActiveCenter is not fixed yet, set the active centers*/
IParameterReact ipr = super.getParameterClass(SetReactionCenter.class);
if (ipr != null && !ipr.isSetParameter()) setActiveCenters(reactant);
Iterator<IAtom> atoms = reactants.getAtomContainer(0).atoms().iterator();
while (atoms.hasNext()) {
IAtom atomi = atoms.next();
if (atomi.getFlag(CDKConstants.REACTIVE_CENTER)
&& reactant.getConnectedSingleElectronsCount(atomi) == 1) {
Iterator<IBond> bondis = reactant.getConnectedBondsList(atomi).iterator();
while (bondis.hasNext()) {
IBond bondi = bondis.next();
if (bondi.getFlag(CDKConstants.REACTIVE_CENTER)
&& bondi.getOrder() == IBond.Order.SINGLE) {
IAtom atomj = bondi.getConnectedAtom(atomi);
if (atomi.getFlag(CDKConstants.REACTIVE_CENTER)
&& (atomj.getFormalCharge() == CDKConstants.UNSET ? 0 : atomj.getFormalCharge())
== 0
&& reactant.getConnectedSingleElectronsCount(atomj) == 0) {
Iterator<IBond> bondjs = reactant.getConnectedBondsList(atomj).iterator();
while (bondjs.hasNext()) {
IBond bondj = bondjs.next();
if (bondj.equals(bondi)) continue;
if (bondj.getFlag(CDKConstants.REACTIVE_CENTER)
&& bondj.getOrder() == IBond.Order.DOUBLE) {
IAtom atomk = bondj.getConnectedAtom(atomj);
if (atomk.getFlag(CDKConstants.REACTIVE_CENTER)
&& (atomk.getFormalCharge() == CDKConstants.UNSET
? 0
: atomk.getFormalCharge())
== 0
&& reactant.getConnectedSingleElectronsCount(atomk) == 0) {
ArrayList<IAtom> atomList = new ArrayList<IAtom>();
atomList.add(atomi);
atomList.add(atomj);
atomList.add(atomk);
ArrayList<IBond> bondList = new ArrayList<IBond>();
bondList.add(bondi);
bondList.add(bondj);
IAtomContainerSet moleculeSet =
reactant.getBuilder().newInstance(IAtomContainerSet.class);
moleculeSet.addAtomContainer(reactant);
IReaction reaction = mechanism.initiate(moleculeSet, atomList, bondList);
if (reaction == null) continue;
else setOfReactions.addReaction(reaction);
}
}
}
}
}
}
}
}
return setOfReactions;
}
