ALF-9079: RSOLR 019: Lucene to SOLR switchover administration

- Part 1 - solr/lucene subsystems with JMX/property switch

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@29073 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/admin/IndexConfigurationCheckerBootstrapBean.java

@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2005-2010 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.alfresco.repo.admin;
+
+import java.io.File;
+import java.util.List;
+
+import org.alfresco.error.AlfrescoRuntimeException;
+import org.alfresco.model.ContentModel;
+import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback;
+import org.alfresco.service.cmr.repository.ContentReader;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.repository.StoreRef;
+import org.alfresco.service.transaction.TransactionService;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.springframework.context.ApplicationEvent;
+import org.springframework.extensions.surf.util.AbstractLifecycleBean;
+import org.springframework.extensions.surf.util.I18NUtil;
+
+public class IndexConfigurationCheckerBootstrapBean extends AbstractLifecycleBean
+{
+    private static Log logger = LogFactory.getLog(IndexConfigurationCheckerBootstrapBean.class);
+    
+    private IndexConfigurationChecker indexConfigurationChecker;
+    
+    private RepositoryState repositoryState;
+    
+    private TransactionService transactionService;
+
+    private boolean strict;
+
+    private String dirRoot;
+
+    @Override
+    protected void onBootstrap(ApplicationEvent event)
+    {
+        RetryingTransactionCallback<Object> checkWork = new RetryingTransactionCallback<Object>()
+        {
+            public Object execute() throws Exception
+            {
+             // reindex
+                if((repositoryState == null) || (false == repositoryState.isBootstrapping()))
+                {
+                    log.info("Checking/Recovering indexes ...");
+                    check();
+                }
+                return null;
+            }
+        };
+        transactionService.getRetryingTransactionHelper().doInTransaction(checkWork, true);
+        
+        
+        
+    }
+
+    private void check()
+    {
+        if (logger.isDebugEnabled())
+        {
+            logger.debug("Starting index configuration check: " + this);
+        }
+        
+      
+        File dirRootFile = new File(dirRoot);
+
+        
+        List<StoreRef> missingIndexStoreRefs = indexConfigurationChecker.checkIndexConfiguration();
+            
+        // check for missing indexes
+        int missingStoreIndexes = missingIndexStoreRefs.size();
+        if (missingStoreIndexes > 0)
+        {
+            String msg = I18NUtil.getMessage(ConfigurationChecker.ERR_MISSING_INDEXES, missingStoreIndexes);
+            logger.error(msg);
+            String msgRecover = I18NUtil.getMessage(ConfigurationChecker.MSG_HOWTO_INDEX_RECOVER);
+            logger.info(msgRecover);
+        }
+        
+        // handle either content or indexes missing
+        if (missingStoreIndexes > 0)
+        {
+            String msg = I18NUtil.getMessage(ConfigurationChecker.ERR_FIX_DIR_ROOT, dirRootFile);
+            logger.error(msg);
+            
+            // Now determine the failure behaviour
+            if (strict)
+            {
+                throw new AlfrescoRuntimeException(msg);
+            }
+            else
+            {
+                String warn = I18NUtil.getMessage(ConfigurationChecker.WARN_STARTING_WITH_ERRORS);
+                logger.warn(warn);
+            }
+        }
+    }
+    
+    @Override
+    protected void onShutdown(ApplicationEvent event)
+    {
+        // Nothing to do
+    }
+
+   
+
+    public IndexConfigurationChecker getIndexConfigurationChecker()
+    {
+        return indexConfigurationChecker;
+    }
+
+    public void setIndexConfigurationChecker(IndexConfigurationChecker indexConfigurationChecker)
+    {
+        this.indexConfigurationChecker = indexConfigurationChecker;
+    }
+
+    public RepositoryState getRepositoryState()
+    {
+        return repositoryState;
+    }
+
+    public void setRepositoryState(RepositoryState repositoryState)
+    {
+        this.repositoryState = repositoryState;
+    }
+
+    public void setStrict(boolean strict)
+    {
+        this.strict = strict;
+    }
+    
+    public void setDirRoot(String dirRoot)
+    {
+        this.dirRoot = dirRoot;
+    }
+
+    public void setTransactionService(TransactionService transactionService)
+    {
+        this.transactionService = transactionService;
+    }
+    
+    
+}