本文整理汇总了Java中org.apache.hadoop.yarn.api.records.timeline.TimelineDomain.getWriters方法的典型用法代码示例。如果您正苦于以下问题：Java TimelineDomain.getWriters方法的具体用法？Java TimelineDomain.getWriters怎么用？Java TimelineDomain.getWriters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org.apache.hadoop.yarn.api.records.timeline.TimelineDomain的用法示例。
在下文中一共展示了TimelineDomain.getWriters方法的1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: put
import org.apache.hadoop.yarn.api.records.timeline.TimelineDomain; //导入方法依赖的package包/类
@Override
public void put(TimelineDomain domain) throws IOException {
WriteBatch writeBatch = null;
try {
writeBatch = db.createWriteBatch();
if (domain.getId() == null || domain.getId().length() == 0) {
throw new IllegalArgumentException("Domain doesn't have an ID");
}
if (domain.getOwner() == null || domain.getOwner().length() == 0) {
throw new IllegalArgumentException("Domain doesn't have an owner.");
}
// Write description
byte[] domainEntryKey = createDomainEntryKey(
domain.getId(), DESCRIPTION_COLUMN);
byte[] ownerLookupEntryKey = createOwnerLookupKey(
domain.getOwner(), domain.getId(), DESCRIPTION_COLUMN);
if (domain.getDescription() != null) {
writeBatch.put(domainEntryKey, domain.getDescription().getBytes());
writeBatch.put(ownerLookupEntryKey, domain.getDescription().getBytes());
} else {
writeBatch.put(domainEntryKey, EMPTY_BYTES);
writeBatch.put(ownerLookupEntryKey, EMPTY_BYTES);
}
// Write owner
domainEntryKey = createDomainEntryKey(domain.getId(), OWNER_COLUMN);
ownerLookupEntryKey = createOwnerLookupKey(
domain.getOwner(), domain.getId(), OWNER_COLUMN);
// Null check for owner is done before
writeBatch.put(domainEntryKey, domain.getOwner().getBytes());
writeBatch.put(ownerLookupEntryKey, domain.getOwner().getBytes());
// Write readers
domainEntryKey = createDomainEntryKey(domain.getId(), READER_COLUMN);
ownerLookupEntryKey = createOwnerLookupKey(
domain.getOwner(), domain.getId(), READER_COLUMN);
if (domain.getReaders() != null && domain.getReaders().length() > 0) {
writeBatch.put(domainEntryKey, domain.getReaders().getBytes());
writeBatch.put(ownerLookupEntryKey, domain.getReaders().getBytes());
} else {
writeBatch.put(domainEntryKey, EMPTY_BYTES);
writeBatch.put(ownerLookupEntryKey, EMPTY_BYTES);
}
// Write writers
domainEntryKey = createDomainEntryKey(domain.getId(), WRITER_COLUMN);
ownerLookupEntryKey = createOwnerLookupKey(
domain.getOwner(), domain.getId(), WRITER_COLUMN);
if (domain.getWriters() != null && domain.getWriters().length() > 0) {
writeBatch.put(domainEntryKey, domain.getWriters().getBytes());
writeBatch.put(ownerLookupEntryKey, domain.getWriters().getBytes());
} else {
writeBatch.put(domainEntryKey, EMPTY_BYTES);
writeBatch.put(ownerLookupEntryKey, EMPTY_BYTES);
}
// Write creation time and modification time
// We put both timestamps together because they are always retrieved
// together, and store them in the same way as we did for the entity's
// start time and insert time.
domainEntryKey = createDomainEntryKey(domain.getId(), TIMESTAMP_COLUMN);
ownerLookupEntryKey = createOwnerLookupKey(
domain.getOwner(), domain.getId(), TIMESTAMP_COLUMN);
long currentTimestamp = System.currentTimeMillis();
byte[] timestamps = db.get(domainEntryKey);
if (timestamps == null) {
timestamps = new byte[16];
writeReverseOrderedLong(currentTimestamp, timestamps, 0);
writeReverseOrderedLong(currentTimestamp, timestamps, 8);
} else {
writeReverseOrderedLong(currentTimestamp, timestamps, 8);
}
writeBatch.put(domainEntryKey, timestamps);
writeBatch.put(ownerLookupEntryKey, timestamps);
db.write(writeBatch);
} finally {
IOUtils.cleanup(LOG, writeBatch);
}
}