Java tutorial
/* * #%L * dev-eth0.de * %% * Copyright (C) 2016 dev-eth0.de * %% * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * #L% */ package de.dev.eth0.elasticsearch.aem.indexing; import java.util.Collections; import java.util.HashMap; import java.util.Map; import lombok.Getter; import lombok.Setter; import org.apache.commons.codec.digest.DigestUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Data object holding all information required to index/deindex an entity */ public class IndexEntry { private static final Logger LOG = LoggerFactory.getLogger(IndexEntry.class); /** * Index for the entity, used as elasticsearch index */ @Getter @Setter private String index; /** * Type of the entity (e.g. page or damasset), used as elasticsearch type */ @Getter @Setter private String type; /* * ID of the entity, used as elasticsearch ID */ @Getter @Setter private String id; /** * Content to index */ @Setter private Map<String, Object> content = new HashMap<>(); public IndexEntry() { } /** * * @param index * @param type * @param path */ public IndexEntry(String index, String type, String path) { this.index = index; this.type = type; setPath(path); } public void addContent(String key, Object value) { content.put(key, value); } public void setPath(String path) { this.content.put("path", path); this.id = DigestUtils.md5Hex(path); } public String getPath() { return getContent("path", String.class); } public void addContent(Map<String, Object> properties) { content.putAll(properties); } /** * * @return unmodifiable map with the content */ public Map<String, Object> getContent() { return Collections.unmodifiableMap(content); } /** * Returns the content for the given key or null if cast fails * * @param <T> * @param key * @param type * @return */ public <T> T getContent(final String key, final Class<T> type) { try { return (T) content.get(key); } catch (ClassCastException cce) { LOG.warn("Could not cast " + key + " to " + type, cce); } return null; } }