/**
* Extract core names.
*
* @param cores All the available cores.
* @return The core's name.
*/
private static Iterable<String> coreNames(final CoreContainer cores) {
List<String> names = new ArrayList<String>();
for (SolrCore core : cores.getCores()) {
String name = core.getName();
if (isEmpty(name)) {
// This is the default core.
name = cores.getDefaultCoreName();
}
names.add(name);
}
return names;
}
private void checkInstanceDirs(JettySolrRunner jetty) {
CoreContainer cores = ((SolrDispatchFilter) jetty.getDispatchFilter().getFilter()).getCores();
Collection<SolrCore> theCores = cores.getCores();
for (SolrCore core : theCores) {
if (!oldStyleSolrXml) {
// look for core props file
assertTrue(
"Could not find expected core.properties file",
new File((String) core.getStatistics().get("instanceDir"), "core.properties").exists());
}
assertEquals(
new File(
SolrResourceLoader.normalizeDir(
jetty.getSolrHome() + File.separator + core.getName()))
.getAbsolutePath(),
new File(
SolrResourceLoader.normalizeDir((String) core.getStatistics().get("instanceDir")))
.getAbsolutePath());
}
}
public static void validate(File solrCoreDir, String dataDirPropertyName, Fields schemeFields)
throws IOException {
// Verify solrHomeDir exists
if (!solrCoreDir.exists() || !solrCoreDir.isDirectory()) {
throw new TapException("Solr core directory doesn't exist: " + solrCoreDir);
}
File tmpSolrHome = makeTempSolrHome(solrCoreDir);
// Set up a temp location for Solr home, where we're write out a synthetic solr.xml
// that references the core directory.
String coreName = solrCoreDir.getName();
String corePath = solrCoreDir.getAbsolutePath();
String solrXmlContent =
String.format(
"<solr><cores><core name=\"%s\" instanceDir=\"%s\"></core></cores></solr>",
coreName, corePath);
File solrXmlFile = new File(tmpSolrHome, "solr.xml");
FileUtils.write(solrXmlFile, solrXmlContent);
// Set up a temp location for data, so when we instantiate the coreContainer,
// we don't pollute the solr home with a /data sub-dir.
String tmpFolder = System.getProperty("java.io.tmpdir");
File tmpDataDir = new File(tmpFolder, UUID.randomUUID().toString());
tmpDataDir.mkdir();
System.setProperty("solr.solr.home", tmpSolrHome.getAbsolutePath());
System.setProperty(dataDirPropertyName, tmpDataDir.getAbsolutePath());
System.setProperty(
"enable.special-handlers", "false"); // All we need is the update request handler
System.setProperty(
"enable.cache-warming", "false"); // We certainly don't need to warm the cache
CoreContainer.Initializer initializer = new CoreContainer.Initializer();
CoreContainer coreContainer = null;
try {
coreContainer = initializer.initialize();
Collection<SolrCore> cores = coreContainer.getCores();
SolrCore core = null;
if (cores.size() == 0) {
throw new TapException("No Solr cores are available");
} else if (cores.size() > 1) {
throw new TapException("Only one Solr core is supported");
} else {
core = cores.iterator().next();
}
IndexSchema schema = core.getSchema();
Map<String, SchemaField> solrFields = schema.getFields();
Set<String> schemeFieldnames = new HashSet<String>();
for (int i = 0; i < schemeFields.size(); i++) {
String fieldName = schemeFields.get(i).toString();
if (!solrFields.containsKey(fieldName)) {
throw new TapException("Sink field name doesn't exist in Solr schema: " + fieldName);
}
schemeFieldnames.add(fieldName);
}
for (String solrFieldname : solrFields.keySet()) {
SchemaField solrField = solrFields.get(solrFieldname);
if (solrField.isRequired() && !schemeFieldnames.contains(solrFieldname)) {
throw new TapException("No sink field name for required Solr field: " + solrFieldname);
}
}
} finally {
if (coreContainer != null) {
coreContainer.shutdown();
}
}
}