/**
* Process specified entry and return the result.
*
* @param entry entry to process
* @return processing result
*/
public Object process(BinaryEntry entry) {
Object oldValue = fReturnOld ? entry.getValue() : null;
entry.updateBinaryValue(getBinaryValue("value"));
return oldValue;
}
/*
* (non-Javadoc)
*
* @see
* com.tangosol.util.processor.AbstractProcessor#processAll(java.util.Set)
*/
@Override
public Map processAll(Set entries) {
final Map<String, String> result = new HashMap<>();
if (entries == null || entries.size() == 0) {
return result;
}
System.out.println("*** Total entries to be exported: " + entries.size());
Iterator iter = entries.iterator();
BinaryEntry bEntry = (BinaryEntry) iter.next();
String nodeName = System.getProperty("app.nodeName");
if (nodeName == null || nodeName.trim().isEmpty()) {
nodeName =
String.valueOf(
bEntry
.getBackingMapContext()
.getManagerContext()
.getCacheService()
.getCluster()
.getLocalMember()
.getId());
}
final String expFilePath = this.expDir + File.separator + "exp_" + nodeName + ".csv";
File expFile = new File(expFilePath);
if (expFile.exists()) {
expFile.delete();
}
System.out.println("*** Exporting data to file: " + expFile);
BufferedWriter writer = null;
StringBuilder buf = new StringBuilder(2048);
int i = 1;
try {
writer = new BufferedWriter(new FileWriter(expFile, true));
// Write header
buf.append("id")
.append(",")
.append("firstName")
.append(",")
.append("lastName")
.append(",")
.append("gender")
.append(",")
.append("favSports")
.append(",")
.append("phoneNumber")
.append(",")
.append("email")
.append(",")
.append("wechat")
.append(",")
.append("company")
.append(",")
.append("spouse")
.append(",")
.append("manager")
.append(",")
.append("title")
.append(",")
.append("expertise")
.append(",")
.append("addr1")
.append(",")
.append("addr2")
.append(",")
.append("addr3")
.append(",")
.append("badgeNo")
.append(",")
.append("joinDate")
.append(",")
.append("empNo")
.append(",")
.append("comments");
// Write data
GuardContext ctxGuard = GuardSupport.getThreadContext();
do {
Employee emp = (Employee) bEntry.getValue();
buf.append("\n")
.append(emp.getId())
.append(",")
.append(emp.getFirstName())
.append(",")
.append(emp.getLastName())
.append(",")
.append(emp.getGender())
.append(",")
.append(emp.getFavSports())
.append(",")
.append(emp.getPhoneNumber())
.append(",")
.append(emp.getEmail())
.append(",")
.append(emp.getWechat())
.append(",")
.append(emp.getCompany())
.append(",")
.append(emp.getSpouse())
.append(",")
.append(emp.getManager())
.append(",")
.append(emp.getTitle())
.append(",")
.append(emp.getExpertise())
.append(",")
.append(emp.getAddr1())
.append(",")
.append(emp.getAddr2())
.append(",")
.append(emp.getAddr3())
.append(",")
.append(emp.getBadgeNo())
.append(",")
.append(emp.getJoinDate())
.append(",")
.append(emp.getEmpNo())
.append(",")
.append(emp.getComments());
// Write file by batch
if (i % 1000 == 0) {
System.out.println("*** Flush " + (i / 1000));
buf.trimToSize();
writer.write(buf.toString());
writer.flush();
buf = null;
buf = new StringBuilder(204800);
}
long cMillis = ctxGuard == null ? 0L : ctxGuard.getTimeoutMillis();
if (ctxGuard != null) {
if (i % 50 == 0) {
ctxGuard.heartbeat(cMillis);
}
}
i++;
if (iter.hasNext()) {
bEntry = (BinaryEntry) iter.next();
} else {
break;
}
} while (true);
if (buf.length() > 0) {
buf.trimToSize();
writer.write(buf.toString());
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (writer != null) {
try {
writer.close();
writer = null;
} catch (Exception e) {
e.printStackTrace();
}
}
}
System.out.println("*** Done data export, please check the file: " + expFile);
return result;
}