本文整理汇总了Java中com.sleepycat.je.Sequence.getStats方法的典型用法代码示例。如果您正苦于以下问题:Java Sequence.getStats方法的具体用法?Java Sequence.getStats怎么用?Java Sequence.getStats使用的例子?那么恭喜您, 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.Sequence
的用法示例。
在下文中一共展示了Sequence.getStats方法的3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: doOne
import com.sleepycat.je.Sequence; //导入方法依赖的package包/类
private void doOne(String msg,
Sequence seq,
Transaction txn,
int delta,
long expectValue,
boolean expectCached)
throws DatabaseException {
msg += " value=" + expectValue;
try {
assertEquals(msg, expectValue, seq.get(txn, delta));
} catch (DatabaseException e) {
fail(msg + ' ' + e);
}
StatsConfig clearConfig = new StatsConfig();
clearConfig.setFast(true);
clearConfig.setClear(true);
SequenceStats stats = seq.getStats(clearConfig);
assertEquals(msg, 1, stats.getNGets());
assertEquals(msg, expectCached ? 1 : 0, stats.getNCachedGets());
}
示例2: testMultipleHandles
import com.sleepycat.je.Sequence; //导入方法依赖的package包/类
public void testMultipleHandles()
throws DatabaseException {
Database db = openDb("foo");
DatabaseEntry key = new DatabaseEntry(new byte[0]);
/* Create a sequence. */
SequenceConfig config = new SequenceConfig();
config.setAllowCreate(true);
config.setDecrement(true);
config.setRange(1, 3);
config.setInitialValue(3);
Transaction txn = txnBegin();
Sequence seq = db.openSequence(txn, key, config);
assertEquals(3, seq.get(txn, 1));
txnCommit(txn);
/* Open another handle on the same sequence -- config should match. */
txn = txnBegin();
Sequence seq2 = db.openSequence(txn, key, config);
assertEquals(2, seq2.get(txn, 1));
txnCommit(txn);
SequenceStats stats = seq2.getStats(null);
assertEquals(1, stats.getCurrent());
assertEquals(1, stats.getMin());
assertEquals(3, stats.getMax());
/* Values are assigned from a single sequence for both handles. */
assertEquals(1, seq.get(null, 1));
seq.close();
seq2.close();
db.close();
}
示例3: testBasic
import com.sleepycat.je.Sequence; //导入方法依赖的package包/类
public void testBasic()
throws DatabaseException {
Database db = openDb("foo");
DatabaseEntry key = new DatabaseEntry(new byte[0]);
DatabaseEntry data = new DatabaseEntry();
SequenceConfig config = new SequenceConfig();
config.setAllowCreate(true);
Transaction txn = txnBegin();
Sequence seq = db.openSequence(txn, key, config);
txnCommit(txn);
txn = txnBegin();
/* Check default values before calling get(). */
SequenceStats stats = seq.getStats(null);
assertEquals(0, stats.getCurrent());
assertEquals(0, stats.getCacheSize());
assertEquals(0, stats.getNGets());
assertEquals(Long.MIN_VALUE, stats.getMin());
assertEquals(Long.MAX_VALUE, stats.getMax());
/* Get the first value. */
long val = seq.get(txn, 1);
assertEquals(0, val);
stats = seq.getStats(null);
assertEquals(1, stats.getCurrent());
assertEquals(1, stats.getValue());
assertEquals(0, stats.getLastValue());
assertEquals(1, stats.getNGets());
/* Use deltas greater than one. */
assertEquals(1, seq.get(txn, 2));
assertEquals(3, seq.get(txn, 3));
assertEquals(6, seq.get(txn, 1));
assertEquals(7, seq.get(txn, 1));
/* Remove a sequence and expect the key to be deleted. */
seq.close();
db.removeSequence(txn, key);
assertEquals(OperationStatus.NOTFOUND, db.get(txn, key, data, null));
txnCommit(txn);
assertEquals(OperationStatus.NOTFOUND, db.get(null, key, data, null));
db.close();
}