本文整理汇总了Java中com.sleepycat.je.Transaction.commitWriteNoSync方法的典型用法代码示例。如果您正苦于以下问题:Java Transaction.commitWriteNoSync方法的具体用法?Java Transaction.commitWriteNoSync怎么用?Java Transaction.commitWriteNoSync使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.sleepycat.je.Transaction
的用法示例。
在下文中一共展示了Transaction.commitWriteNoSync方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: run
import com.sleepycat.je.Transaction; //导入方法依赖的package包/类
private void run()
throws DatabaseException {
Random rand = new Random();
/*
* Create a set of events. Each insertion is a separate, auto-commit
* transaction.
*/
System.out.println("-> Inserting 4 events");
eventByTime.put(new Event(makeDate(1), 100, "Company_A"));
eventByTime.put(new Event(makeDate(2), 2, "Company_B"));
eventByTime.put(new Event(makeDate(3), 20, "Company_C"));
eventByTime.put(new Event(makeDate(4), 40, "CompanyD"));
/* Load a whole set of events transactionally. */
Transaction txn = env.beginTransaction(null, null);
int maxPrice = 50;
System.out.println("-> Inserting some randomly generated events");
for (int i = 0; i < 25; i++) {
Event e = new Event(makeDate(rand.nextInt(365)),
rand.nextInt(maxPrice),
"Company_X");
if ((i%2) ==0) {
e.addRep("Bob");
e.addRep("Nikunj");
} else {
e.addRep("Yongmin");
}
eventByTime.put(e);
}
txn.commitWriteNoSync();
/*
* Windows of events - display the events between June 1 and Aug 31
*/
System.out.println("\n-> Display the events between June 1 and Aug 31");
Date startDate = makeDate(Calendar.JUNE, 1);
Date endDate = makeDate(Calendar.AUGUST, 31);
EntityCursor<Event> eventWindow =
eventByTime.entities(startDate, true, endDate, true);
printEvents(eventWindow);
/*
* Display all events, ordered by a secondary index on price.
*/
System.out.println("\n-> Display all events, ordered by price");
EntityCursor<Event> byPriceEvents = eventByPrice.entities();
printEvents(byPriceEvents);
}
示例2: syncExplicit
import com.sleepycat.je.Transaction; //导入方法依赖的package包/类
/**
* Does an explicit commit and returns whether an fsync occured.
*/
private void syncExplicit(RandomAccessFile lastLogFile,
TransactionConfig config,
boolean expectSync,
boolean expectWrite)
throws DatabaseException, IOException {
DatabaseEntry key = new DatabaseEntry(new byte[1]);
DatabaseEntry data = new DatabaseEntry(new byte[1]);
long beforeSyncs = getNSyncs();
Transaction txn = env.beginTransaction(null, config);
db.put(txn, key, data);
long beforeLength = lastLogFile.length();
txn.commit();
long afterSyncs = getNSyncs();
long afterLength = lastLogFile.length();
boolean syncOccurred = afterSyncs > beforeSyncs;
boolean writeOccurred = afterLength > beforeLength;
assertEquals(expectSync, syncOccurred);
assertEquals(expectWrite, writeOccurred);
/*
* Make sure explicit sync/noSync/writeNoSync always works.
*/
/* Expect a sync and write. */
beforeSyncs = getNSyncs();
beforeLength = lastLogFile.length();
txn = env.beginTransaction(null, config);
db.put(txn, key, data);
txn.commitSync();
afterSyncs = getNSyncs();
afterLength = lastLogFile.length();
assert(afterSyncs > beforeSyncs);
assert(afterLength > beforeLength);
/* Expect neither a sync nor write. */
beforeSyncs = getNSyncs();
beforeLength = lastLogFile.length();
txn = env.beginTransaction(null, config);
db.put(txn, key, data);
txn.commitNoSync();
afterSyncs = getNSyncs();
afterLength = lastLogFile.length();
assert(afterSyncs == beforeSyncs);
assert(afterLength == beforeLength);
/* Expect no sync but do expect a write. */
beforeSyncs = getNSyncs();
beforeLength = lastLogFile.length();
txn = env.beginTransaction(null, config);
db.put(txn, key, data);
txn.commitWriteNoSync();
afterSyncs = getNSyncs();
afterLength = lastLogFile.length();
assert(afterSyncs == beforeSyncs);
assert(afterLength > beforeLength);
}
示例3: syncExplicit
import com.sleepycat.je.Transaction; //导入方法依赖的package包/类
/**
* Does an explicit commit and returns whether an fsync occured.
*/
private void syncExplicit(RandomAccessFile lastLogFile,
TransactionConfig config,
boolean expectSync,
boolean expectWrite)
throws DatabaseException, IOException {
DatabaseEntry key = new DatabaseEntry(new byte[1]);
DatabaseEntry data = new DatabaseEntry(new byte[1]);
long beforeSyncs = getNSyncs();
Transaction txn = env.beginTransaction(null, config);
db.put(txn, key, data);
long beforeLength = lastLogFile.length();
txn.commit();
long afterSyncs = getNSyncs();
long afterLength = lastLogFile.length();
boolean syncOccurred = afterSyncs > beforeSyncs;
boolean writeOccurred = afterLength > beforeLength;
assertEquals(expectSync, syncOccurred);
assertEquals(expectWrite, writeOccurred);
/*
* Make sure explicit sync/noSync/writeNoSync always works.
*/
/* Expect a sync and write. */
beforeSyncs = getNSyncs();
beforeLength = lastLogFile.length();
txn = env.beginTransaction(null, config);
db.put(txn, key, data);
txn.commitSync();
afterSyncs = getNSyncs();
afterLength = lastLogFile.length();
assert(afterSyncs > beforeSyncs);
assert(afterLength > beforeLength);
/* Expect neither a sync nor write. */
beforeSyncs = getNSyncs();
beforeLength = lastLogFile.length();
txn = env.beginTransaction(null, config);
db.put(txn, key, data);
txn.commitNoSync();
afterSyncs = getNSyncs();
afterLength = lastLogFile.length();
assert(afterSyncs == beforeSyncs);
assert(afterLength == beforeLength);
/* Expect no sync but do expect a write. */
beforeSyncs = getNSyncs();
beforeLength = lastLogFile.length();
txn = env.beginTransaction(null, config);
db.put(txn, key, data);
txn.commitWriteNoSync();
afterSyncs = getNSyncs();
afterLength = lastLogFile.length();
assert(afterSyncs == beforeSyncs);
assert(afterLength > beforeLength);
}
示例4: run
import com.sleepycat.je.Transaction; //导入方法依赖的package包/类
private void run()
throws DatabaseException {
Random rand = new Random();
/*
* Create a set of events. Each insertion is a separate, auto-commit
* transaction.
*/
System.out.println("-> Inserting 4 events");
eventByTime.put(new Event(makeDate(1), 100, "Company_A"));
eventByTime.put(new Event(makeDate(2), 2, "Company_B"));
eventByTime.put(new Event(makeDate(3), 20, "Company_C"));
eventByTime.put(new Event(makeDate(4), 40, "CompanyD"));
/* Load a whole set of events transactionally. */
Transaction txn = env.beginTransaction(null, null);
int maxPrice = 50;
System.out.println("-> Inserting some randomly generated events");
for (int i = 0; i < 25; i++) {
Event e = new Event(makeDate(rand.nextInt(365)),
rand.nextInt(maxPrice),
"Company_X");
if ((i%2) ==0) {
e.addRep("Bob");
e.addRep("Nikunj");
} else {
e.addRep("Yongmin");
}
eventByTime.put(e);
}
txn.commitWriteNoSync();
/*
* Windows of events - display the events between June 1 and Aug 31
*/
System.out.println("\n-> Display the events between June 1 and Aug 31");
Date startDate = makeDate(Calendar.JUNE, 1);
Date endDate = makeDate(Calendar.AUGUST, 31);
EntityCursor<Event> eventWindow =
eventByTime.entities(startDate, true, endDate, true);
printEvents(eventWindow);
/*
* Display all events, ordered by a secondary index on price.
*/
System.out.println("\n-> Display all events, ordered by price");
EntityCursor<Event> byPriceEvents = eventByPrice.entities();
printEvents(byPriceEvents);
}