| /** |
| * |
| * Copyright (c) 2010-2015, Andras Szabolcs Nagy, Abel Hegedus, Akos Horvath, Zoltan Ujhelyi and Daniel Varro |
| * 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: |
| * Andras Szabolcs Nagy - initial API and implementation |
| * |
| */ |
| package org.eclipse.viatra.dse.examples.bpmn.patterns; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import org.eclipse.viatra.dse.examples.bpmn.patterns.util.EveryTaskHasVariantQuerySpecification; |
| import org.eclipse.viatra.query.runtime.api.IPatternMatch; |
| import org.eclipse.viatra.query.runtime.api.impl.BasePatternMatch; |
| import org.eclipse.viatra.query.runtime.exception.ViatraQueryException; |
| |
| /** |
| * Pattern-specific match representation of the org.eclipse.viatra.dse.examples.bpmn.patterns.everyTaskHasVariant pattern, |
| * to be used in conjunction with {@link EveryTaskHasVariantMatcher}. |
| * |
| * <p>Class fields correspond to parameters of the pattern. Fields with value null are considered unassigned. |
| * Each instance is a (possibly partial) substitution of pattern parameters, |
| * usable to represent a match of the pattern in the result of a query, |
| * or to specify the bound (fixed) input parameters when issuing a query. |
| * |
| * @see EveryTaskHasVariantMatcher |
| * @see EveryTaskHasVariantProcessor |
| * |
| */ |
| @SuppressWarnings("all") |
| public abstract class EveryTaskHasVariantMatch extends BasePatternMatch { |
| private static List<String> parameterNames = makeImmutableList(); |
| |
| private EveryTaskHasVariantMatch() { |
| |
| } |
| |
| @Override |
| public Object get(final String parameterName) { |
| return null; |
| } |
| |
| @Override |
| public boolean set(final String parameterName, final Object newValue) { |
| if (!isMutable()) throw new java.lang.UnsupportedOperationException(); |
| return false; |
| } |
| |
| @Override |
| public String patternName() { |
| return "org.eclipse.viatra.dse.examples.bpmn.patterns.everyTaskHasVariant"; |
| } |
| |
| @Override |
| public List<String> parameterNames() { |
| return EveryTaskHasVariantMatch.parameterNames; |
| } |
| |
| @Override |
| public Object[] toArray() { |
| return new Object[]{}; |
| } |
| |
| @Override |
| public EveryTaskHasVariantMatch toImmutable() { |
| return isMutable() ? newMatch() : this; |
| } |
| |
| @Override |
| public String prettyPrint() { |
| return "[]"; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| return result; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| if (this == obj) |
| return true; |
| if (!(obj instanceof EveryTaskHasVariantMatch)) { // this should be infrequent |
| if (obj == null) { |
| return false; |
| } |
| if (!(obj instanceof IPatternMatch)) { |
| return false; |
| } |
| IPatternMatch otherSig = (IPatternMatch) obj; |
| if (!specification().equals(otherSig.specification())) |
| return false; |
| return Arrays.deepEquals(toArray(), otherSig.toArray()); |
| } |
| return true; |
| } |
| |
| @Override |
| public EveryTaskHasVariantQuerySpecification specification() { |
| try { |
| return EveryTaskHasVariantQuerySpecification.instance(); |
| } catch (ViatraQueryException ex) { |
| // This cannot happen, as the match object can only be instantiated if the query specification exists |
| throw new IllegalStateException (ex); |
| } |
| } |
| |
| /** |
| * Returns an empty, mutable match. |
| * Fields of the mutable match can be filled to create a partial match, usable as matcher input. |
| * |
| * @return the empty match. |
| * |
| */ |
| public static EveryTaskHasVariantMatch newEmptyMatch() { |
| return new Mutable(); |
| } |
| |
| /** |
| * Returns a mutable (partial) match. |
| * Fields of the mutable match can be filled to create a partial match, usable as matcher input. |
| * |
| * @return the new, mutable (partial) match object. |
| * |
| */ |
| public static EveryTaskHasVariantMatch newMutableMatch() { |
| return new Mutable(); |
| } |
| |
| /** |
| * Returns a new (partial) match. |
| * This can be used e.g. to call the matcher with a partial match. |
| * <p>The returned match will be immutable. Use {@link #newEmptyMatch()} to obtain a mutable match object. |
| * @return the (partial) match object. |
| * |
| */ |
| public static EveryTaskHasVariantMatch newMatch() { |
| return new Immutable(); |
| } |
| |
| private static final class Mutable extends EveryTaskHasVariantMatch { |
| Mutable() { |
| super(); |
| } |
| |
| @Override |
| public boolean isMutable() { |
| return true; |
| } |
| } |
| |
| private static final class Immutable extends EveryTaskHasVariantMatch { |
| Immutable() { |
| super(); |
| } |
| |
| @Override |
| public boolean isMutable() { |
| return false; |
| } |
| } |
| } |