public Object call() {
final ScriptEngineManager scriptEngineManager = new ScriptEngineManager();
ScriptEngine e = scriptEngineManager.getEngineByName("javascript");
if (map != null) {
for (Map.Entry<String, Object> entry : map.entrySet()) {
e.put(entry.getKey(), entry.getValue());
}
}
e.put("hazelcast", hazelcastInstance);
try {
// For new JavaScript engine called Nashorn we need the compatibility script
if (e.getFactory().getEngineName().toLowerCase().contains("nashorn")) {
e.eval("load('nashorn:mozilla_compat.js');");
}
e.eval("importPackage(java.lang);");
e.eval("importPackage(java.util);");
e.eval("importPackage(com.hazelcast.core);");
e.eval("importPackage(com.hazelcast.config);");
e.eval("importPackage(java.util.concurrent);");
e.eval("importPackage(org.junit);");
return e.eval(script);
} catch (ScriptException e1) {
throw new RuntimeException(e1);
}
}
protected HServerLoad.RegionLoad getRegionLoad(HRegionInfo regionInfo, ServerName serverName)
throws IOException {
HServerLoad serverLoad = admin.getClusterStatus().getLoad(serverName);
Map<byte[], HServerLoad.RegionLoad> regionsLoad = serverLoad.getRegionsLoad();
for (Map.Entry<byte[], HServerLoad.RegionLoad> entry : regionsLoad.entrySet()) {
if (Arrays.equals(entry.getKey(), regionInfo.getRegionName())) {
return entry.getValue();
}
}
return null;
}
protected void waitForMoving(HRegionInfo hRegionInfo, ServerName serverName) throws Exception {
Map<byte[], HServerLoad.RegionLoad> regionsLoad = null;
for (int i = 0; i < MAX_WAIT_ITERATION; i++) {
HServerLoad load = admin.getClusterStatus().getLoad(serverName);
regionsLoad = load.getRegionsLoad();
for (byte[] regionName : regionsLoad.keySet()) {
if (Arrays.equals(regionName, hRegionInfo.getRegionName())) return;
}
admin.move(hRegionInfo.getEncodedNameAsBytes(), serverName.getServerName().getBytes());
Thread.sleep(WAIT_INTERVAL);
}
System.out.println("hRegionInfo = " + Bytes.toString(hRegionInfo.getRegionName()));
for (Map.Entry<byte[], HServerLoad.RegionLoad> entry : regionsLoad.entrySet()) {
System.out.println(
"regionsLoad = " + Bytes.toString(entry.getKey()) + " - " + entry.getValue());
}
Assert.fail(Util.getMethodName() + " failed");
}
protected void waitForSplitting(String tableName, int regionCount)
throws IOException, InterruptedException {
int regionCountActual = 0;
for (int i = 0; i < MAX_WAIT_ITERATION; i++) {
try (HTable table = new HTable(conf, tableName)) {
regionCountActual = 0;
NavigableMap<HRegionInfo, ServerName> regionLocations = table.getRegionLocations();
for (Map.Entry<HRegionInfo, ServerName> entry : regionLocations.entrySet()) {
HServerLoad serverLoad = admin.getClusterStatus().getLoad(entry.getValue());
for (HServerLoad.RegionLoad regionLoad : serverLoad.getRegionsLoad().values()) {
if (Arrays.equals(entry.getKey().getRegionName(), regionLoad.getName()))
regionCountActual++;
}
}
if (regionCountActual == regionCount) {
return;
}
}
Thread.sleep(WAIT_INTERVAL);
}
Assert.assertEquals(getMethodName() + " failed - ", regionCount, regionCountActual);
}
