/* * Copyright (c) 2014, Francis Galiegue (fgaliegue@gmail.com) * * This software is dual-licensed under: * * - the Lesser General Public License (LGPL) version 3.0 or, at your option, any * later version; * - the Apache Software License (ASL) version 2.0. * * The text of this file and of both licenses is available at the root of this * project or, if you have the jar distribution, in directory META-INF/, under * the names LGPL-3.0.txt and ASL-2.0.txt respectively. * * Direct link to the sources: * * - LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt * - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt */ package com.github.fge.jsonschema.processors.validation; import com.github.fge.jsonschema.processors.data.SchemaContext; import com.google.common.base.Equivalence; /** * Equivalence for schema contexts * * <p>This is used by {@link ValidationChain} and {@link ValidationProcessor} to * cache computation results. Two schema contexts are considered equivalent if: * </p> * * <ul> * <li>schema trees are considered equivalent,</li> * <li>and the type of the instance is the same.</li> * </ul> * */ public final class SchemaContextEquivalence extends Equivalence<SchemaContext> { private static final Equivalence<SchemaContext> INSTANCE = new SchemaContextEquivalence(); public static Equivalence<SchemaContext> getInstance() { return INSTANCE; } @Override protected boolean doEquivalent(final SchemaContext a, final SchemaContext b) { return a.getSchema().equals(b.getSchema()) && a.getInstanceType() == b.getInstanceType(); } @Override protected int doHash(final SchemaContext t) { return t.getSchema().hashCode() ^ t.getInstanceType().hashCode(); } }