Java HFileBlock.getNextBlockOnDiskSizeWithHeader方法代码示例

本文整理汇总了Java中org.apache.hadoop.hbase.io.hfile.HFileBlock.getNextBlockOnDiskSizeWithHeader方法的典型用法代码示例。如果您正苦于以下问题：Java HFileBlock.getNextBlockOnDiskSizeWithHeader方法的具体用法？Java HFileBlock.getNextBlockOnDiskSizeWithHeader怎么用？Java HFileBlock.getNextBlockOnDiskSizeWithHeader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org.apache.hadoop.hbase.io.hfile.HFileBlock的用法示例。

在下文中一共展示了HFileBlock.getNextBlockOnDiskSizeWithHeader方法的5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: readStoreFile

import org.apache.hadoop.hbase.io.hfile.HFileBlock; //导入方法依赖的package包/类
private void readStoreFile(Path path) throws IOException {
  CacheConfig cacheConf = store.getCacheConfig();
  BlockCache cache = cacheConf.getBlockCache();
  StoreFile sf = new StoreFile(fs, path, conf, cacheConf,
    BloomType.ROWCOL);
  HFileReaderV2 reader = (HFileReaderV2) sf.createReader().getHFileReader();
  try {
    // Open a scanner with (on read) caching disabled
    HFileScanner scanner = reader.getScanner(false, false);
    assertTrue(testDescription, scanner.seekTo());
    // Cribbed from io.hfile.TestCacheOnWrite
    long offset = 0;
    HFileBlock prevBlock = null;
    while (offset < reader.getTrailer().getLoadOnOpenDataOffset()) {
      long onDiskSize = -1;
      if (prevBlock != null) {
        onDiskSize = prevBlock.getNextBlockOnDiskSizeWithHeader();
      }
      // Flags: don't cache the block, use pread, this is not a compaction.
      // Also, pass null for expected block type to avoid checking it.
      HFileBlock block = reader.readBlock(offset, onDiskSize, false, true,
        false, true, null, DataBlockEncoding.NONE);
      BlockCacheKey blockCacheKey = new BlockCacheKey(reader.getName(),
        offset);
      boolean isCached = cache.getBlock(blockCacheKey, true, false, true) != null;
      boolean shouldBeCached = cowType.shouldBeCached(block.getBlockType());
      if (shouldBeCached != isCached) {
        throw new AssertionError(
          "shouldBeCached: " + shouldBeCached+ "\n" +
          "isCached: " + isCached + "\n" +
          "Test description: " + testDescription + "\n" +
          "block: " + block + "\n" +
          "blockCacheKey: " + blockCacheKey);
      }
      prevBlock = block;
      offset += block.getOnDiskSizeWithHeader();
    }
  } finally {
    reader.close();
  }
}

开发者ID:fengchen8086，项目名称:ditb，代码行数:42，代码来源:TestCacheOnWriteInSchema.java

示例2: readStoreFile

import org.apache.hadoop.hbase.io.hfile.HFileBlock; //导入方法依赖的package包/类
private void readStoreFile(Path path) throws IOException {
  CacheConfig cacheConf = store.getCacheConfig(); 
  BlockCache cache = cacheConf.getBlockCache();
  StoreFile sf = new StoreFile(fs, path, conf, cacheConf,
      BloomType.ROWCOL, null);
  store.passSchemaMetricsTo(sf);
  HFileReaderV2 reader = (HFileReaderV2) sf.createReader().getHFileReader();
  try {
    // Open a scanner with (on read) caching disabled
    HFileScanner scanner = reader.getScanner(false, false);
    assertTrue(testDescription, scanner.seekTo());
    // Cribbed from io.hfile.TestCacheOnWrite
    long offset = 0;
    HFileBlock prevBlock = null;
    while (offset < reader.getTrailer().getLoadOnOpenDataOffset()) {
      long onDiskSize = -1;
      if (prevBlock != null) {
        onDiskSize = prevBlock.getNextBlockOnDiskSizeWithHeader();
      }
      // Flags: don't cache the block, use pread, this is not a compaction.
      // Also, pass null for expected block type to avoid checking it.
      HFileBlock block = reader.readBlock(offset, onDiskSize, false, true,
        false, null);
      BlockCacheKey blockCacheKey = new BlockCacheKey(reader.getName(),
        offset);
      boolean isCached = cache.getBlock(blockCacheKey, true, false) != null;
      boolean shouldBeCached = cowType.shouldBeCached(block.getBlockType());
      if (shouldBeCached != isCached) {
        throw new AssertionError(
          "shouldBeCached: " + shouldBeCached+ "\n" +
          "isCached: " + isCached + "\n" +
          "Test description: " + testDescription + "\n" +
          "block: " + block + "\n" +
          "blockCacheKey: " + blockCacheKey);
      }
      prevBlock = block;
      offset += block.getOnDiskSizeWithHeader();
    }
  } finally {
    reader.close();
  }
}

开发者ID:fengchen8086，项目名称:LCIndex-HBase-0.94.16，代码行数:43，代码来源:TestCacheOnWriteInSchema.java

示例3: readStoreFile

import org.apache.hadoop.hbase.io.hfile.HFileBlock; //导入方法依赖的package包/类
private void readStoreFile(Path path) throws IOException {
  CacheConfig cacheConf = store.getCacheConfig();
  BlockCache cache = cacheConf.getBlockCache();
  StoreFile sf = new StoreFile(fs, path, conf, cacheConf,
    BloomType.ROWCOL);
  HFileReaderV2 reader = (HFileReaderV2) sf.createReader().getHFileReader();
  try {
    // Open a scanner with (on read) caching disabled
    HFileScanner scanner = reader.getScanner(false, false);
    assertTrue(testDescription, scanner.seekTo());
    // Cribbed from io.hfile.TestCacheOnWrite
    long offset = 0;
    HFileBlock prevBlock = null;
    while (offset < reader.getTrailer().getLoadOnOpenDataOffset()) {
      long onDiskSize = -1;
      if (prevBlock != null) {
        onDiskSize = prevBlock.getNextBlockOnDiskSizeWithHeader();
      }
      // Flags: don't cache the block, use pread, this is not a compaction.
      // Also, pass null for expected block type to avoid checking it.
      HFileBlock block = reader.readBlock(offset, onDiskSize, false, true,
        false, true, null);
      BlockCacheKey blockCacheKey = new BlockCacheKey(reader.getName(),
        offset);
      boolean isCached = cache.getBlock(blockCacheKey, true, false, true) != null;
      boolean shouldBeCached = cowType.shouldBeCached(block.getBlockType());
      if (shouldBeCached != isCached) {
        throw new AssertionError(
          "shouldBeCached: " + shouldBeCached+ "\n" +
          "isCached: " + isCached + "\n" +
          "Test description: " + testDescription + "\n" +
          "block: " + block + "\n" +
          "blockCacheKey: " + blockCacheKey);
      }
      prevBlock = block;
      offset += block.getOnDiskSizeWithHeader();
    }
  } finally {
    reader.close();
  }
}

开发者ID:tenggyut，项目名称:HIndex，代码行数:42，代码来源:TestCacheOnWriteInSchema.java

示例4: readStoreFile

import org.apache.hadoop.hbase.io.hfile.HFileBlock; //导入方法依赖的package包/类
private void readStoreFile(Path path) throws IOException {
  CacheConfig cacheConf = store.getCacheConfig();
  BlockCache cache = cacheConf.getBlockCache();
  StoreFile sf = new StoreFile(fs, path, conf, cacheConf,
    BloomType.ROWCOL);
  HFileReaderV2 reader = (HFileReaderV2) sf.createReader().getHFileReader();
  try {
    // Open a scanner with (on read) caching disabled
    HFileScanner scanner = reader.getScanner(false, false);
    assertTrue(testDescription, scanner.seekTo());
    // Cribbed from io.hfile.TestCacheOnWrite
    long offset = 0;
    HFileBlock prevBlock = null;
    while (offset < reader.getTrailer().getLoadOnOpenDataOffset()) {
      long onDiskSize = -1;
      if (prevBlock != null) {
        onDiskSize = prevBlock.getNextBlockOnDiskSizeWithHeader();
      }
      // Flags: don't cache the block, use pread, this is not a compaction.
      // Also, pass null for expected block type to avoid checking it.
      HFileBlock block = reader.readBlock(offset, onDiskSize, false, true,
        false, null);
      BlockCacheKey blockCacheKey = new BlockCacheKey(reader.getName(),
        offset);
      boolean isCached = cache.getBlock(blockCacheKey, true, false) != null;
      boolean shouldBeCached = cowType.shouldBeCached(block.getBlockType());
      if (shouldBeCached != isCached) {
        throw new AssertionError(
          "shouldBeCached: " + shouldBeCached+ "\n" +
          "isCached: " + isCached + "\n" +
          "Test description: " + testDescription + "\n" +
          "block: " + block + "\n" +
          "blockCacheKey: " + blockCacheKey);
      }
      prevBlock = block;
      offset += block.getOnDiskSizeWithHeader();
    }
  } finally {
    reader.close();
  }
}

开发者ID:cloud-software-foundation，项目名称:c5，代码行数:42，代码来源:TestCacheOnWriteInSchema.java

示例5: readStoreFile

import org.apache.hadoop.hbase.io.hfile.HFileBlock; //导入方法依赖的package包/类
private void readStoreFile(Path path) throws IOException {
  CacheConfig cacheConf = store.getCacheConfig(); 
  BlockCache cache = cacheConf.getBlockCache();
  StoreFile sf = new StoreFile(fs, path, conf, cacheConf,
      BloomType.ROWCOL, null);
  HFileReaderV2 reader = (HFileReaderV2) sf.createReader().getHFileReader();
  try {
    // Open a scanner with (on read) caching disabled
    HFileScanner scanner = reader.getScanner(false, false);
    assertTrue(testDescription, scanner.seekTo());
    // Cribbed from io.hfile.TestCacheOnWrite
    long offset = 0;
    HFileBlock prevBlock = null;
    while (offset < reader.getTrailer().getLoadOnOpenDataOffset()) {
      long onDiskSize = -1;
      if (prevBlock != null) {
        onDiskSize = prevBlock.getNextBlockOnDiskSizeWithHeader();
      }
      // Flags: don't cache the block, use pread, this is not a compaction.
      // Also, pass null for expected block type to avoid checking it.
      HFileBlock block = reader.readBlock(offset, onDiskSize, false, true,
        false, null);
      BlockCacheKey blockCacheKey = new BlockCacheKey(reader.getName(),
        offset);
      boolean isCached = cache.getBlock(blockCacheKey, true, false) != null;
      boolean shouldBeCached = cowType.shouldBeCached(block.getBlockType());
      if (shouldBeCached != isCached) {
        throw new AssertionError(
          "shouldBeCached: " + shouldBeCached+ "\n" +
          "isCached: " + isCached + "\n" +
          "Test description: " + testDescription + "\n" +
          "block: " + block + "\n" +
          "blockCacheKey: " + blockCacheKey);
      }
      prevBlock = block;
      offset += block.getOnDiskSizeWithHeader();
    }
  } finally {
    reader.close();
  }
}

开发者ID:daidong，项目名称:DominoHBase，代码行数:42，代码来源:TestCacheOnWriteInSchema.java

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