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// $Id$
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/**
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* Copyright (C) 2015 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.remoting.cache;
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import java.lang.reflect.Field;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import net.sf.ehcache.Cache;
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import net.sf.ehcache.CacheManager;
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import net.sf.ehcache.Element;
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import org.apache.log4j.Logger;
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import org.hibernate.collection.spi.PersistentCollection;
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import org.hibernate.proxy.HibernateProxy;
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import org.hibernate.proxy.LazyInitializer;
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import org.springframework.util.ReflectionUtils;
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import eu.etaxonomy.cdm.api.cache.CdmCacher;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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/**
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* @author cmathew
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* @date 9 Feb 2015
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*
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*/
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public class EntityCacherDebugResult {
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private static final Logger logger = Logger.getLogger(EntityCacherDebugResult.class);
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private Map<CdmEntityInfo, CdmEntityInfo> duplicateCdmEntityMap;
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private List<CdmEntityInfo> notInCacheList;
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private CdmTransientEntityCacher cacher;
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private List<CdmEntityInfo> rootElements;
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StringBuilder debugOutput = new StringBuilder();
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public EntityCacherDebugResult() {
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}
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public <T extends CdmBase> EntityCacherDebugResult(CdmTransientEntityCacher cacher, Collection<T> rootEntities) {
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this.cacher = cacher;
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init();
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if(rootEntities != null && !rootEntities.isEmpty()) {
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for(CdmBase rootEntity : rootEntities) {
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debug(rootEntity, true);
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String out = toString(duplicateCdmEntityMap, notInCacheList, rootEntity);
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System.out.println(out);
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debugOutput.append(out);
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clear();
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}
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}
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}
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private void init() {
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duplicateCdmEntityMap = new HashMap<CdmEntityInfo, CdmEntityInfo>();
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notInCacheList = new ArrayList<CdmEntityInfo>();
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rootElements = new ArrayList<CdmEntityInfo>();
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}
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private void clear() {
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duplicateCdmEntityMap.clear();
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notInCacheList.clear();
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}
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public void addDuplicateEntity(CdmEntityInfo cei, CdmEntityInfo cachedCei) {
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duplicateCdmEntityMap.put(cei, cachedCei);
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}
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public void addEntityNotInCache(CdmEntityInfo cei) {
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notInCacheList.add(cei);
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}
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public List<CdmEntityInfo> getRootElements() {
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return rootElements;
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}
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private void print(Map<CdmEntityInfo, CdmEntityInfo> duplicateCdmEntityMap,
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List<CdmEntityInfo> notInCacheList,
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CdmBase rootEntity) {
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System.out.println(toString(duplicateCdmEntityMap, notInCacheList, rootEntity));
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}
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@Override
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public String toString() {
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return debugOutput.toString();
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}
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private String toString(Map<CdmEntityInfo, CdmEntityInfo> duplicateCdmEntityMap,
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List<CdmEntityInfo> notInCacheList,
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CdmBase rootEntity) {
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StringBuilder sb = new StringBuilder();
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sb.append(System.getProperty("line.separator"));
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sb.append("<<< Root Entity " + rootEntity.getUserFriendlyTypeName() + " with id " + rootEntity.getId() + " >>>");
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sb.append(System.getProperty("line.separator"));
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if(duplicateCdmEntityMap.isEmpty()) {
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sb.append("No Duplicate CDM Entities.");
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} else {
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sb.append("Duplicate CDM Entities,");
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for (Map.Entry<CdmEntityInfo, CdmEntityInfo> entry : duplicateCdmEntityMap.entrySet())
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{
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sb.append(System.getProperty("line.separator"));
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CdmEntityInfo cei = entry.getKey();
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CdmBase cb = (CdmBase) cei.getObject();
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sb.append(" - " + cei.getField().getName() + ":" + cb.getUserFriendlyTypeName() + "/" + cb.getId());
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if(cei.getParent() != null) {
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Object cbParent = cei.getParent().getObject();
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sb.append(" in entity " + cbParent.getClass().getCanonicalName());
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if(cbParent instanceof CdmBase) {
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sb.append(" with id : " + ((CdmBase)cbParent).getId());
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}
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}
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sb.append(System.getProperty("line.separator"));
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sb.append(" -- entity belongs to cache(s) : " + getCachesContainingEntity(cb));
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sb.append(System.getProperty("line.separator"));
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CdmEntityInfo dupCei = entry.getValue();
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CdmBase dupCb = (CdmBase) dupCei.getObject();
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String dupCeiFieldName = "";
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if(dupCei.getField() != null) {
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dupCeiFieldName = dupCei.getField().getName();
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}
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sb.append(" - " + dupCeiFieldName + ":" + dupCb.getUserFriendlyTypeName() + "/" + dupCb.getId());
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if(dupCei.getParent() != null) {
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Object dupCbParent = dupCei.getParent().getObject();
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sb.append(" in entity " + dupCbParent.getClass().getCanonicalName());
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if(dupCbParent instanceof CdmBase) {
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sb.append(" with id : " + ((CdmBase)dupCbParent).getId());
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}
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}
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sb.append(System.getProperty("line.separator"));
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sb.append(" -- entity belongs to cache(s) : " + getCachesContainingEntity(dupCb));
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sb.append(System.getProperty("line.separator"));
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sb.append("-----------");
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}
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}
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sb.append(System.getProperty("line.separator"));
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sb.append(System.getProperty("line.separator"));
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if(notInCacheList.isEmpty()) {
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sb.append("No Entities found which are not in Cache.");
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} else {
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sb.append("Not In Cache Entities,");
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for(CdmEntityInfo cei : notInCacheList) {
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CdmBase cb = (CdmBase) cei.getObject();
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Object cbParent = cei.getParent().getObject();
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sb.append(System.getProperty("line.separator"));
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String fieldName = "";
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if(cei.getField() != null) {
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fieldName = cei.getField().getName();
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}
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sb.append(" - " + fieldName + ":" + cb.getUserFriendlyTypeName() + "/" + cb.getId());
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if(cbParent instanceof CdmBase) {
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sb.append(" of entity " + ((CdmBase)cbParent).getUserFriendlyTypeName());
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} else {
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sb.append(" of entity " + cbParent.getClass().getName());
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}
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}
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}
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sb.append(System.getProperty("line.separator"));
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return sb.toString();
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}
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private String getCachesContainingEntity(CdmBase cdmEntity) {
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Cache defaultCache = CacheManager.create().getCache(CdmCacher.DEFAULT_CACHE_NAME);
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String caches = "";
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Element dce = defaultCache.get(cdmEntity.getUuid());
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if(dce != null && dce.getObjectValue() == cdmEntity) {
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caches = "{DC}";
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}
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Object cte = cacher.getFromCache(CdmTransientEntityCacher.generateKey(cdmEntity));
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if(cte != null && cte == cdmEntity) {
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caches += "{TC}";
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}
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return caches;
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}
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private void debug(CdmBase cdmEntity, boolean recursive) {
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if(cdmEntity == null) {
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return;
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}
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logger.info("---- starting recursive debug for cdm entity " + cdmEntity.getClass().getName() + " with id " + cdmEntity.getId());
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List<CdmEntityInfo> alreadyVisitedEntities = new ArrayList<CdmEntityInfo>();
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CdmEntityInfo cei = new CdmEntityInfo(ProxyUtils.deproxy(cdmEntity));
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debugRecursive(cdmEntity, alreadyVisitedEntities, cei);
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rootElements.add(cei);
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alreadyVisitedEntities.clear();
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logger.info("---- ending recursive debug for cdm entity " + cdmEntity.getClass().getName() + " with id " + cdmEntity.getId() + "\n");
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}
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private <T extends Object> void debugRecursive(T obj,
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List<CdmEntityInfo> alreadyVisitedEntities,
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CdmEntityInfo cei) {
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if(obj == null) {
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return;
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}
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if(obj instanceof CdmBase) {
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debugRecursive((CdmBase)obj, alreadyVisitedEntities, cei);
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} else if (obj instanceof Map) {
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debug((Map<T,T>)obj, alreadyVisitedEntities, cei);
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} else if (obj instanceof Collection) {
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debug((Collection<T>)obj, alreadyVisitedEntities, cei);
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}
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logger.info("No caching yet for type " + obj.getClass().getName());
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}
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private <T extends Object> void debug(Map<T,T> map,
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List<CdmEntityInfo> alreadyVisitedEntities,
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CdmEntityInfo cei) {
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if(map == null || map.isEmpty()) {
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return;
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}
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Iterator<Map.Entry<T,T>> iter = map.entrySet().iterator();
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while ( iter.hasNext() ) {
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Map.Entry<T,T> e = iter.next();
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CdmEntityInfo childCei = new CdmEntityInfo(e);
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cei.addChild(childCei);
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CdmEntityInfo keyCei = new CdmEntityInfo(ProxyUtils.deproxy(e.getKey()));
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childCei.addChild(keyCei);
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CdmEntityInfo valueCei = new CdmEntityInfo(ProxyUtils.deproxy(e.getValue()));
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childCei.addChild(valueCei);
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debugRecursive(e.getKey(), alreadyVisitedEntities, keyCei);
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debugRecursive(e.getValue(), alreadyVisitedEntities, valueCei);
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}
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}
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private <T extends Object> void debug(Collection<T> collection,
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List<CdmEntityInfo> alreadyVisitedEntities,
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CdmEntityInfo cei) {
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Iterator<T> collectionItr = collection.iterator();
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while(collectionItr.hasNext()) {
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Object obj = collectionItr.next();
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boolean alreadyVisited = false;
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for (CdmEntityInfo entityInfo: alreadyVisitedEntities) {
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if(obj.equals(entityInfo.getObject())){
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alreadyVisited = true;
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break;
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}
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}
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if(!alreadyVisited){
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CdmEntityInfo childCei = new CdmEntityInfo(ProxyUtils.deproxy(obj));
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cei.addChild(childCei);
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debugRecursive(obj, alreadyVisitedEntities, childCei);
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}
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}
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}
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private void debugRecursive(CdmBase cdmEntity,
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List<CdmEntityInfo> alreadyVisitedEntities,
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CdmEntityInfo cei) {
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CdmBase cachedCdmEntityInSubGraph = null;
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if(cei.getObject() instanceof CdmBase) {
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CdmBase cb = (CdmBase)cei.getObject();
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cachedCdmEntityInSubGraph = cacher.getFromCache(cb);
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if(cachedCdmEntityInSubGraph != cb) {
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// found a cdm entity which is not in cache - need to record this
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//logger.info(" - found entity not in cache " + fieldName + "' in object of type " + clazz.getName() + " with id " + cdmEntity.getId());
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addEntityNotInCache(cei);
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}
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}
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// we want to recursive through the cdmEntity (and not the cachedCdmEntity)
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// since there could be new or deleted objects in the cdmEntity sub-graph
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// start by getting the fields from the cdm entity
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String className = cdmEntity.getClass().getName();
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CdmModelFieldPropertyFromClass cmgmfc = cacher.getFromCdmlibModelCache(className);
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if(cmgmfc != null) {
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alreadyVisitedEntities.add(cei);
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List<String> fields = cmgmfc.getFields();
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for(String field : fields) {
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// retrieve the actual object corresponding to the field.
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// this object will be either a CdmBase or a Collection / Map
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// with CdmBase as the generic type
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CdmEntityInfo childCei = getDebugCdmBaseTypeFieldValue(cdmEntity, field, alreadyVisitedEntities, cei);
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if(!childCei.isProxy()) {
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Object object = childCei.getObject();
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if(object != null && object instanceof CdmBase) {
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CdmBase cdmEntityInSubGraph = (CdmBase)object;
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if(!containsIdenticalCdmEntity(alreadyVisitedEntities, cdmEntityInSubGraph)) {
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logger.info("recursive debugging object of type " + cdmEntityInSubGraph.getClass().getName() + " with id " + cdmEntityInSubGraph.getId());
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debugRecursive(cdmEntityInSubGraph, alreadyVisitedEntities, childCei);
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} else {
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logger.info("object of type " + cdmEntityInSubGraph.getClass().getName() + " with id " + cdmEntityInSubGraph.getId() + " already visited");
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}
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}
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}
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}
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} else {
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throw new CdmClientCacheException("CdmEntity with class " + cdmEntity.getClass().getName() + " is not found in the cdmlib model cache. " +
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"The cache may be corrupted or not in sync with the latest model version" );
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}
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}
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private CdmEntityInfo getDebugCdmBaseTypeFieldValue(CdmBase cdmEntity,
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String fieldName,
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List<CdmEntityInfo> alreadyVisitedEntities,
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CdmEntityInfo cei) {
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345
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CdmEntityInfo childCei = null;
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Class<?> clazz = cdmEntity.getClass();
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try {
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// this call will search in the provided class as well as
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// the super classes until it finds the field
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Field field = ReflectionUtils.findField(clazz, fieldName);
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if(field == null) {
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throw new CdmClientCacheException("Field '" + fieldName
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+ "' not found when searching in class '" + clazz.getName() + "' and its supercalsses");
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}
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field.setAccessible(true);
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Object o = field.get(cdmEntity);
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359
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o = ProxyUtils.deproxy(o);
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|
360
|
CdmBase cdmEntityInSubGraph = null;
|
|
361
|
|
|
362
|
childCei = new CdmEntityInfo(o);
|
|
363
|
cei.addChild(childCei);
|
|
364
|
childCei.setField(field);
|
|
365
|
|
|
366
|
if(o != null) {
|
|
367
|
boolean isProxy = ProxyUtils.isProxy(o);
|
|
368
|
|
|
369
|
childCei.setProxy(isProxy);
|
|
370
|
if(!isProxy) {
|
|
371
|
childCei.setObject(o);
|
|
372
|
if(CdmBase.class.isAssignableFrom(o.getClass())) {
|
|
373
|
logger.info("found initialised cdm entity '" + fieldName + "' in object of type " + clazz.getName() + " with id " + cdmEntity.getId());
|
|
374
|
cdmEntityInSubGraph = (CdmBase)o;
|
|
375
|
|
|
376
|
//logger.info(" - found duplicate entity at " + fieldName + "' in object of type " + clazz.getName() + " with id " + cdmEntity.getId());
|
|
377
|
CdmEntityInfo dupCei = getDuplicate(alreadyVisitedEntities, cdmEntityInSubGraph);
|
|
378
|
if(dupCei != null) {
|
|
379
|
addDuplicateEntity(childCei, dupCei);
|
|
380
|
}
|
|
381
|
|
|
382
|
} else if(o instanceof Map) {
|
|
383
|
debugRecursive((Map)o, alreadyVisitedEntities, childCei);
|
|
384
|
} else if(o instanceof Collection) {
|
|
385
|
debugRecursive((Collection)o, alreadyVisitedEntities, childCei);
|
|
386
|
}
|
|
387
|
|
|
388
|
}
|
|
389
|
}
|
|
390
|
// we return the original cdm entity in the sub graph because we
|
|
391
|
// want to continue to recurse on the input cdm entity graph
|
|
392
|
// and not the one in the cache
|
|
393
|
|
|
394
|
return childCei;
|
|
395
|
} catch (SecurityException e) {
|
|
396
|
throw new CdmClientCacheException(e);
|
|
397
|
} catch (IllegalArgumentException e) {
|
|
398
|
throw new CdmClientCacheException(e);
|
|
399
|
} catch (IllegalAccessException e) {
|
|
400
|
throw new CdmClientCacheException(e);
|
|
401
|
}
|
|
402
|
}
|
|
403
|
|
|
404
|
|
|
405
|
private CdmEntityInfo getDuplicate(List<CdmEntityInfo> alreadyVisitedEntities, Object objectToCompare) {
|
|
406
|
if(objectToCompare != null ) {
|
|
407
|
for(CdmEntityInfo cei: alreadyVisitedEntities) {
|
|
408
|
if(objectToCompare.equals(cei.getObject()) && objectToCompare != cei.getObject()) {
|
|
409
|
return cei;
|
|
410
|
}
|
|
411
|
}
|
|
412
|
}
|
|
413
|
return null;
|
|
414
|
}
|
|
415
|
|
|
416
|
private boolean containsIdenticalCdmEntity(List<CdmEntityInfo> ceiSet, Object objectToCompare) {
|
|
417
|
boolean foundIdentical = false;
|
|
418
|
if(objectToCompare != null) {
|
|
419
|
for(CdmEntityInfo cei : ceiSet) {
|
|
420
|
if(cei.getObject() == objectToCompare) {
|
|
421
|
foundIdentical = true;
|
|
422
|
}
|
|
423
|
// } else if(objectToCompare.equals(cei.getObject())) {
|
|
424
|
// return false;
|
|
425
|
// }
|
|
426
|
}
|
|
427
|
}
|
|
428
|
return foundIdentical;
|
|
429
|
}
|
|
430
|
|
|
431
|
public class CdmEntityInfo {
|
|
432
|
|
|
433
|
private Object object;
|
|
434
|
private CdmEntityInfo parent;
|
|
435
|
private List<CdmEntityInfo> children;
|
|
436
|
private Field field;
|
|
437
|
private String label;
|
|
438
|
private boolean isProxy;
|
|
439
|
|
|
440
|
public CdmEntityInfo(Object object) {
|
|
441
|
this.object = object;
|
|
442
|
isProxy = false;
|
|
443
|
children = new ArrayList<CdmEntityInfo>();
|
|
444
|
}
|
|
445
|
|
|
446
|
public CdmEntityInfo getParent() {
|
|
447
|
return parent;
|
|
448
|
}
|
|
449
|
|
|
450
|
public void setParent(CdmEntityInfo parent) {
|
|
451
|
this.parent = parent;
|
|
452
|
}
|
|
453
|
|
|
454
|
public List<CdmEntityInfo> getChildren() {
|
|
455
|
return children;
|
|
456
|
}
|
|
457
|
|
|
458
|
public void setChildren(List<CdmEntityInfo> children) {
|
|
459
|
this.children = children;
|
|
460
|
}
|
|
461
|
|
|
462
|
public void addChild(CdmEntityInfo cei) {
|
|
463
|
this.children.add(cei);
|
|
464
|
cei.setParent(this);
|
|
465
|
}
|
|
466
|
|
|
467
|
public Field getField() {
|
|
468
|
return field;
|
|
469
|
}
|
|
470
|
|
|
471
|
public void setField(Field field) {
|
|
472
|
this.field = field;
|
|
473
|
}
|
|
474
|
|
|
475
|
|
|
476
|
public String getLabel() {
|
|
477
|
String label;
|
|
478
|
String fieldName = "";
|
|
479
|
if(field != null) {
|
|
480
|
fieldName = field.getName();
|
|
481
|
}
|
|
482
|
|
|
483
|
if(object != null) {
|
|
484
|
String className = object.getClass().getName();
|
|
485
|
if(object instanceof HibernateProxy) {
|
|
486
|
LazyInitializer hli = ((HibernateProxy)object).getHibernateLazyInitializer();
|
|
487
|
if(hli.isUninitialized()) {
|
|
488
|
className = "HibernateProxy";
|
|
489
|
} else {
|
|
490
|
className = "InitialisedHibernateProxy";
|
|
491
|
}
|
|
492
|
label = "[" + className + "] " + fieldName;
|
|
493
|
} else if(object instanceof PersistentCollection) {
|
|
494
|
PersistentCollection pc = ((PersistentCollection)object);
|
|
495
|
if(!pc.wasInitialized()) {
|
|
496
|
className = "PersistentCollection";
|
|
497
|
} else {
|
|
498
|
className = "InitialisedPersistentCollection";
|
|
499
|
}
|
|
500
|
label = "[" + className + "] " + fieldName;
|
|
501
|
} else if(object instanceof Collection) {
|
|
502
|
label = "[" + className + "] " + fieldName + " : " + String.valueOf(((Collection)object).size());
|
|
503
|
} else if(object instanceof Map) {
|
|
504
|
label = "[" + className + "] " + fieldName + " : " + String.valueOf(((Map)object).size());
|
|
505
|
} else if(object instanceof CdmBase) {
|
|
506
|
label = getCachesContainingEntity((CdmBase)object) + "[" + className + ",id" + ((CdmBase)object).getId() + "] " + fieldName + " : " + object.toString();
|
|
507
|
} else {
|
|
508
|
label = "[" + className + "] " + fieldName + " : " + object.toString();
|
|
509
|
}
|
|
510
|
} else {
|
|
511
|
label = "[NULL] " + fieldName;
|
|
512
|
}
|
|
513
|
return label;
|
|
514
|
}
|
|
515
|
|
|
516
|
public void setLabel(String label) {
|
|
517
|
this.label = label;
|
|
518
|
}
|
|
519
|
|
|
520
|
public Object getObject() {
|
|
521
|
return object;
|
|
522
|
}
|
|
523
|
|
|
524
|
public void setObject(Object object) {
|
|
525
|
this.object = object;
|
|
526
|
}
|
|
527
|
|
|
528
|
public boolean isProxy() {
|
|
529
|
return isProxy;
|
|
530
|
}
|
|
531
|
|
|
532
|
public void setProxy(boolean isProxy) {
|
|
533
|
this.isProxy = isProxy;
|
|
534
|
}
|
|
535
|
|
|
536
|
|
|
537
|
|
|
538
|
}
|
|
539
|
|
|
540
|
}
|