本文整理汇总了Java中org.apache.hadoop.io.file.tfile.BCFile.Writer.BlockAppender类的典型用法代码示例。如果您正苦于以下问题：Java BlockAppender类的具体用法？Java BlockAppender怎么用？Java BlockAppender使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
BlockAppender类属于org.apache.hadoop.io.file.tfile.BCFile.Writer包，在下文中一共展示了BlockAppender类的2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: close
import org.apache.hadoop.io.file.tfile.BCFile.Writer.BlockAppender; //导入依赖的package包/类
/**
* Close the Writer. Resources will be released regardless of the exceptions
* being thrown. Future close calls will have no effect.
*
* The underlying FSDataOutputStream is not closed.
*/
@Override
public void close() throws IOException {
if ((state == State.CLOSED)) {
return;
}
try {
// First try the normal finish.
// Terminate upon the first Exception.
if (errorCount == 0) {
if (state != State.READY) {
throw new IllegalStateException(
"Cannot close TFile in the middle of key-value insertion.");
}
finishDataBlock(true);
// first, write out data:TFile.meta
BlockAppender outMeta =
writerBCF
.prepareMetaBlock(TFileMeta.BLOCK_NAME, COMPRESSION_NONE);
try {
tfileMeta.write(outMeta);
} finally {
outMeta.close();
}
// second, write out data:TFile.index
BlockAppender outIndex =
writerBCF.prepareMetaBlock(TFileIndex.BLOCK_NAME);
try {
tfileIndex.write(outIndex);
} finally {
outIndex.close();
}
writerBCF.close();
}
} finally {
IOUtils.cleanup(LOG, blkAppender, writerBCF);
blkAppender = null;
writerBCF = null;
state = State.CLOSED;
}
}
示例2: close
import org.apache.hadoop.io.file.tfile.BCFile.Writer.BlockAppender; //导入依赖的package包/类
/**
* Close the Writer. Resources will be released regardless of the exceptions
* being thrown. Future close calls will have no effect.
*
* The underlying FSDataOutputStream is not closed.
*/
public void close() throws IOException {
if ((state == State.CLOSED)) {
return;
}
try {
// First try the normal finish.
// Terminate upon the first Exception.
if (errorCount == 0) {
if (state != State.READY) {
throw new IllegalStateException(
"Cannot close TFile in the middle of key-value insertion.");
}
finishDataBlock(true);
// first, write out data:TFile.meta
BlockAppender outMeta =
writerBCF
.prepareMetaBlock(TFileMeta.BLOCK_NAME, COMPRESSION_NONE);
try {
tfileMeta.write(outMeta);
} finally {
outMeta.close();
}
// second, write out data:TFile.index
BlockAppender outIndex =
writerBCF.prepareMetaBlock(TFileIndex.BLOCK_NAME);
try {
tfileIndex.write(outIndex);
} finally {
outIndex.close();
}
writerBCF.close();
}
} finally {
IOUtils.cleanup(LOG, blkAppender, writerBCF);
blkAppender = null;
writerBCF = null;
state = State.CLOSED;
}
}