Java tutorial
package org.biopax.validator.rules; /* * #%L * BioPAX Validator * %% * Copyright (C) 2008 - 2013 University of Toronto (baderlab.org) and Memorial Sloan-Kettering Cancer Center (cbio.mskcc.org) * %% * 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 3 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 General Lesser Public License for more details. * * You should have received a copy of the GNU General Lesser Public * License along with this program. If not, see * <http://www.gnu.org/licenses/lgpl-3.0.html>. * #L% */ import org.biopax.paxtools.model.level3.BindingFeature; import org.biopax.paxtools.model.level3.Complex; import org.biopax.paxtools.model.level3.ComplexAssembly; import org.biopax.paxtools.model.level3.Entity; import org.biopax.paxtools.model.level3.PhysicalEntity; import org.biopax.paxtools.util.ClassFilterSet; import org.biopax.validator.api.AbstractRule; import org.biopax.validator.api.beans.Validation; import org.springframework.stereotype.Component; import java.util.Collections; import java.util.Set; /** * This rule checks if either ComplexAssembly conversion has a complex on one side, * or, at least, several participants are bound to each other on either left or right side. */ @Component public class ComplexAssemblyHasComplexParticipantRule extends AbstractRule<ComplexAssembly> { public void check(final Validation validation, ComplexAssembly complexAssembly) { // check if there are any complexes on either side Set<Complex> complexes = new ClassFilterSet<Entity, Complex>(complexAssembly.getParticipant(), Complex.class); if (complexes.isEmpty()) { boolean bound = isBound(complexAssembly.getRight()); if (!bound) bound = isBound(complexAssembly.getLeft()); if (!bound) error(validation, complexAssembly, "complex.not.present", false); } } /* check "whether participants acquire a binding feature" * would be much more difficult than - "several participants are bound" * (e.g., because the former is subject to "the same entityReference" cond...) */ private boolean isBound(Set<PhysicalEntity> participants) { for (PhysicalEntity pe : participants) { //if(pe instanceof Complex) continue; // it's impossible as far isBound called from where it is called if (pe.getFeature() != null && pe.getFeature() instanceof BindingFeature) { BindingFeature bf1 = (BindingFeature) pe.getFeature(); BindingFeature bf2 = bf1.getBindsTo(); if (bf2 != null) { Set<PhysicalEntity> bf2Of = bf2.getFeatureOf(); //if these phys. entities are (same side) participants as well if (!Collections.disjoint(participants, bf2Of)) return true; } } } return false; } public boolean canCheck(Object thing) { return thing instanceof ComplexAssembly; } }