/**
* Handle "UNLOAD" Action
*
* @param req
* @param rsp
* @return true if a modification has resulted that requires persistance of the CoreContainer
* configuration.
*/
protected boolean handleUnloadAction(SolrQueryRequest req, SolrQueryResponse rsp)
throws SolrException {
SolrParams params = req.getParams();
String cname = params.get(CoreAdminParams.CORE);
SolrCore core = coreContainer.remove(cname);
if (core == null) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST, "No such core exists '" + cname + "'");
}
if (params.getBool(CoreAdminParams.DELETE_INDEX, false)) {
core.addCloseHook(
new CloseHook() {
@Override
public void preClose(SolrCore core) {}
@Override
public void postClose(SolrCore core) {
File dataDir = new File(core.getIndexDir());
for (File file : dataDir.listFiles()) {
if (!file.delete()) {
log.error(file.getAbsolutePath() + " could not be deleted on core unload");
}
}
if (!dataDir.delete())
log.error(dataDir.getAbsolutePath() + " could not be deleted on core unload");
}
});
}
core.close();
return coreContainer.isPersistent();
}
/**
* Handle "SWAP" action
*
* @param req
* @param rsp
* @return true if a modification has resulted that requires persistance of the CoreContainer
* configuration.
*/
protected boolean handleSwapAction(SolrQueryRequest req, SolrQueryResponse rsp) {
final SolrParams params = req.getParams();
final SolrParams required = params.required();
final String cname = params.get(CoreAdminParams.CORE);
boolean doPersist = params.getBool(CoreAdminParams.PERSISTENT, coreContainer.isPersistent());
String other = required.get(CoreAdminParams.OTHER);
coreContainer.swap(cname, other);
return doPersist;
}
/**
* Handler "PERSIST" action
*
* @param req
* @param rsp
* @return true if a modification has resulted that requires persistance of the CoreContainer
* configuration.
* @throws SolrException
*/
protected boolean handlePersistAction(SolrQueryRequest req, SolrQueryResponse rsp)
throws SolrException {
SolrParams params = req.getParams();
boolean doPersist = false;
String fileName = params.get(CoreAdminParams.FILE);
if (fileName != null) {
File file = new File(coreContainer.getConfigFile().getParentFile(), fileName);
coreContainer.persistFile(file);
rsp.add("saved", file.getAbsolutePath());
doPersist = false;
} else if (!coreContainer.isPersistent()) {
throw new SolrException(SolrException.ErrorCode.FORBIDDEN, "Persistence is not enabled");
} else doPersist = true;
return doPersist;
}
/**
* Handle "ALIAS" action
*
* @param req
* @param rsp
* @return true if a modification has resulted that requires persistance of the CoreContainer
* configuration.
*/
@Deprecated
protected boolean handleAliasAction(SolrQueryRequest req, SolrQueryResponse rsp) {
SolrParams params = req.getParams();
String name = params.get(CoreAdminParams.OTHER);
String cname = params.get(CoreAdminParams.CORE);
boolean doPersist = false;
if (cname.equals(name)) return doPersist;
SolrCore core = coreContainer.getCore(cname);
if (core != null) {
doPersist = coreContainer.isPersistent();
coreContainer.register(name, core, false);
// no core.close() since each entry in the cores map should increase the ref
}
return doPersist;
}
/**
* Handle "RENAME" Action
*
* @param req
* @param rsp
* @return true if a modification has resulted that requires persistance of the CoreContainer
* configuration.
* @throws SolrException
*/
protected boolean handleRenameAction(SolrQueryRequest req, SolrQueryResponse rsp)
throws SolrException {
SolrParams params = req.getParams();
String name = params.get(CoreAdminParams.OTHER);
String cname = params.get(CoreAdminParams.CORE);
boolean doPersist = false;
if (cname.equals(name)) return doPersist;
SolrCore core = coreContainer.getCore(cname);
if (core != null) {
doPersist = coreContainer.isPersistent();
coreContainer.register(name, core, false);
coreContainer.remove(cname);
core.close();
}
return doPersist;
}
/**
* Handle 'CREATE' action.
*
* @param req
* @param rsp
* @return true if a modification has resulted that requires persistance of the CoreContainer
* configuration.
* @throws SolrException in case of a configuration error.
*/
protected boolean handleCreateAction(SolrQueryRequest req, SolrQueryResponse rsp)
throws SolrException {
try {
SolrParams params = req.getParams();
String name = params.get(CoreAdminParams.NAME);
CoreDescriptor dcore =
new CoreDescriptor(coreContainer, name, params.get(CoreAdminParams.INSTANCE_DIR));
// fillup optional parameters
String opts = params.get(CoreAdminParams.CONFIG);
if (opts != null) dcore.setConfigName(opts);
opts = params.get(CoreAdminParams.SCHEMA);
if (opts != null) dcore.setSchemaName(opts);
opts = params.get(CoreAdminParams.DATA_DIR);
if (opts != null) dcore.setDataDir(opts);
// Process all property.name=value parameters and set them as name=value core properties
Properties coreProperties = new Properties();
Iterator<String> parameterNamesIterator = params.getParameterNamesIterator();
while (parameterNamesIterator.hasNext()) {
String parameterName = parameterNamesIterator.next();
if (parameterName.startsWith(CoreAdminParams.PROPERTY_PREFIX)) {
String parameterValue = params.get(parameterName);
String propertyName =
parameterName.substring(CoreAdminParams.PROPERTY_PREFIX.length()); // skip prefix
coreProperties.put(propertyName, parameterValue);
}
}
dcore.setCoreProperties(coreProperties);
SolrCore core = coreContainer.create(dcore);
coreContainer.register(name, core, false);
rsp.add("core", core.getName());
return coreContainer.isPersistent();
} catch (Exception ex) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST,
"Error executing default implementation of CREATE",
ex);
}
}
protected boolean handleMergeAction(SolrQueryRequest req, SolrQueryResponse rsp)
throws IOException {
SolrParams params = req.getParams();
String cname = params.required().get(CoreAdminParams.CORE);
SolrCore core = coreContainer.getCore(cname);
SolrCore[] sourceCores = null;
RefCounted<SolrIndexSearcher>[] searchers = null;
// stores readers created from indexDir param values
IndexReader[] readersToBeClosed = null;
if (core != null) {
try {
String[] dirNames = params.getParams(CoreAdminParams.INDEX_DIR);
if (dirNames == null || dirNames.length == 0) {
String[] sources = params.getParams("srcCore");
if (sources == null || sources.length == 0)
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST,
"At least one indexDir or srcCore must be specified");
sourceCores = new SolrCore[sources.length];
for (int i = 0; i < sources.length; i++) {
String source = sources[i];
SolrCore srcCore = coreContainer.getCore(source);
if (srcCore == null)
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST, "Core: " + source + " does not exist");
sourceCores[i] = srcCore;
}
} else {
readersToBeClosed = new IndexReader[dirNames.length];
DirectoryFactory dirFactory = core.getDirectoryFactory();
for (int i = 0; i < dirNames.length; i++) {
readersToBeClosed[i] = IndexReader.open(dirFactory.open(dirNames[i]), true);
}
}
IndexReader[] readers = null;
if (readersToBeClosed != null) {
readers = readersToBeClosed;
} else {
readers = new IndexReader[sourceCores.length];
searchers = new RefCounted[sourceCores.length];
for (int i = 0; i < sourceCores.length; i++) {
SolrCore solrCore = sourceCores[i];
// record the searchers so that we can decref
searchers[i] = solrCore.getSearcher();
readers[i] = searchers[i].get().getIndexReader();
}
}
UpdateRequestProcessorChain processorChain =
core.getUpdateProcessingChain(params.get(UpdateParams.UPDATE_CHAIN));
SolrQueryRequest wrappedReq = new LocalSolrQueryRequest(core, req.getParams());
UpdateRequestProcessor processor = processorChain.createProcessor(wrappedReq, rsp);
processor.processMergeIndexes(new MergeIndexesCommand(readers));
} finally {
if (searchers != null) {
for (RefCounted<SolrIndexSearcher> searcher : searchers) {
if (searcher != null) searcher.decref();
}
}
if (sourceCores != null) {
for (SolrCore solrCore : sourceCores) {
if (solrCore != null) solrCore.close();
}
}
if (readersToBeClosed != null) IOUtils.closeWhileHandlingException(readersToBeClosed);
core.close();
}
}
return coreContainer.isPersistent();
}
