本文整理匯總了Java中com.sleepycat.je.Cursor.putNoDupData方法的典型用法代碼示例。如果您正苦於以下問題:Java Cursor.putNoDupData方法的具體用法?Java Cursor.putNoDupData怎麽用?Java Cursor.putNoDupData使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類com.sleepycat.je.Cursor
的用法示例。
在下文中一共展示了Cursor.putNoDupData方法的4個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: putAndVerifyCursor
import com.sleepycat.je.Cursor; //導入方法依賴的package包/類
protected OperationStatus putAndVerifyCursor(Cursor cursor, StringDbt key,
StringDbt data,
boolean putVariant)
throws DatabaseException {
OperationStatus status;
if (duplicatesAllowed) {
status = cursor.putNoDupData(key, data);
} else {
status = cursor.putNoOverwrite(key, data);
}
if (status == OperationStatus.SUCCESS) {
StringDbt keyCheck = new StringDbt();
StringDbt dataCheck = new StringDbt();
assertEquals(OperationStatus.SUCCESS, cursor.getCurrent
(keyCheck, dataCheck, LockMode.DEFAULT));
assertEquals(key.getString(), keyCheck.getString());
assertEquals(data.getString(), dataCheck.getString());
}
return status;
}
示例2: insertData
import com.sleepycat.je.Cursor; //導入方法依賴的package包/類
private void insertData(Cursor cursor, int numRecords, int dataVal)
throws DatabaseException {
DatabaseEntry key = new DatabaseEntry();
DatabaseEntry data = new DatabaseEntry();
for (int i = 0; i < numRecords; i++) {
byte[] keyData = TestUtils.getTestArray(i);
byte[] dataData = new byte[1];
dataData[0] = (byte) dataVal;
key.setData(keyData);
data.setData(dataData);
OperationStatus status = cursor.putNoDupData(key, data);
assertEquals(OperationStatus.SUCCESS, status);
}
}
示例3: writeData
import com.sleepycat.je.Cursor; //導入方法依賴的package包/類
/**
* Writes data to create INITIAL_FILES number of files, storing the first
* key for each file in the firstKeysInFiles list. One extra file is
* actually created, to ensure that the firstActiveLSN is not in any of
* INITIAL_FILES files.
*/
private void writeData()
throws DatabaseException {
DatabaseEntry key = new DatabaseEntry();
DatabaseEntry data = new DatabaseEntry(new byte[DATA_SIZE]);
firstKeysInFiles = new ArrayList();
existingKeys = new HashSet();
Transaction txn = env.beginTransaction(null, null);
Cursor cursor = db.openCursor(txn, null);
int fileNum = -1;
for (int nextKey = 0; fileNum < INITIAL_FILES; nextKey += 1) {
OperationStatus status;
if (dups) {
key.setData(MAIN_KEY_FOR_DUPS);
data.setData(TestUtils.getTestArray(nextKey));
status = cursor.putNoDupData(key, data);
} else {
key.setData(TestUtils.getTestArray(nextKey));
data.setData(new byte[DATA_SIZE]);
status = cursor.putNoOverwrite(key, data);
}
assertEquals(OperationStatus.SUCCESS, status);
existingKeys.add(new Integer(nextKey));
long lsn = getLsn(cursor);
if (DbLsn.getFileNumber(lsn) != fileNum) {
assertTrue(fileNum < DbLsn.getFileNumber(lsn));
fileNum = (int) DbLsn.getFileNumber(lsn);
assertEquals(fileNum, firstKeysInFiles.size());
firstKeysInFiles.add(new Integer(nextKey));
}
}
cursor.close();
txn.commit();
env.checkpoint(forceConfig);
long firstActiveLsn = envImpl.getCheckpointer().getFirstActiveLsn();
assertTrue(firstActiveLsn != DbLsn.NULL_LSN);
assertTrue(DbLsn.getFileNumber(firstActiveLsn) >= INITIAL_FILES);
}
示例4: writeData
import com.sleepycat.je.Cursor; //導入方法依賴的package包/類
/**
* Writes data to create INITIAL_FILES number of files, storing the first
* key for each file in the firstKeysInFiles list. One extra file is
* actually created, to ensure that the firstActiveLSN is not in any of
* INITIAL_FILES files.
*/
private void writeData()
throws DatabaseException {
DatabaseEntry key = new DatabaseEntry();
DatabaseEntry data = new DatabaseEntry(new byte[DATA_SIZE]);
firstKeysInFiles = new ArrayList();
existingKeys = new HashSet();
Transaction txn = env.beginTransaction(null, null);
Cursor cursor = db.openCursor(txn, null);
int fileNum = -1;
for (int nextKey = 0; fileNum < INITIAL_FILES; nextKey += 1) {
OperationStatus status;
if (dups) {
key.setData(MAIN_KEY_FOR_DUPS);
data.setData(TestUtils.getTestArray(nextKey));
status = cursor.putNoDupData(key, data);
} else {
key.setData(TestUtils.getTestArray(nextKey));
data.setData(new byte[DATA_SIZE]);
status = cursor.putNoOverwrite(key, data);
}
assertEquals(OperationStatus.SUCCESS, status);
existingKeys.add(new Integer(nextKey));
long lsn = getLsn(cursor);
if (DbLsn.getFileNumber(lsn) != fileNum) {
assertTrue(fileNum < DbLsn.getFileNumber(lsn));
fileNum = (int) DbLsn.getFileNumber(lsn);
assertEquals(fileNum, firstKeysInFiles.size());
firstKeysInFiles.add(new Integer(nextKey));
}
}
cursor.close();
txn.commit();
env.checkpoint(forceConfig);
long firstActiveLsn = envImpl.getCheckpointer().getFirstActiveLsn();
assertTrue(firstActiveLsn != DbLsn.NULL_LSN);
assertTrue(DbLsn.getFileNumber(firstActiveLsn) >= INITIAL_FILES);
}