Java tutorial
/* * Copyright 2016 esbtools Contributors and/or its affiliates. * * This file is part of esbtools. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU 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 Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.esbtools.eventhandler.lightblue; import org.esbtools.eventhandler.DocumentEvent; import com.google.common.util.concurrent.Futures; import java.util.Objects; import java.util.concurrent.Future; public class UnparseableDocumentEvent implements LightblueDocumentEvent { private final Exception exception; private final DocumentEventEntity entity; public UnparseableDocumentEvent(Exception exception, DocumentEventEntity entity) { this.exception = Objects.requireNonNull(exception, "exception"); this.entity = Objects.requireNonNull(entity, "entity"); } @Override public Future<?> lookupDocument() { return Futures.immediateFailedFuture(exception); } @Override public boolean isSupersededBy(DocumentEvent event) { return false; } @Override public boolean couldMergeWith(DocumentEvent event) { return false; } @Override public LightblueDocumentEvent merge(DocumentEvent event) { throw new UnsupportedOperationException("Cannot merge with failed event!"); } @Override public Identity identity() { return new TypeAndValueIdentity(UnparseableDocumentEvent.class, entity.get_id()); } @Override public DocumentEventEntity wrappedDocumentEventEntity() { return entity; } @Override public String toString() { return "UnparseableDocumentEvent{" + "exception=" + exception + ", entity=" + entity + '}'; } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; UnparseableDocumentEvent that = (UnparseableDocumentEvent) o; return Objects.equals(exception, that.exception) && Objects.equals(entity, that.entity); } @Override public int hashCode() { return Objects.hash(exception, entity); } }