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java.lang.Objectorg.springframework.data.hadoop.store.split.AbstractSplitter
org.springframework.data.hadoop.store.split.SlopBlockSplitter
org.springframework.data.hadoop.store.split.StaticBlockSplitter
public class StaticBlockSplitter
A StaticBlockSplitter is a Splitter handling
splits as relative of block sizes allowing to furthern split
blocks on a smaller chunks.
Having zero blocks means a split happens on a full block sizes, furthermore using a splits sizes higher than zero simply means how many times block is split. One simple means two splits for a block, two means three splits for a block, etc.
| Field Summary |
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| Fields inherited from class org.springframework.data.hadoop.store.split.SlopBlockSplitter |
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DEFAULT_SPLIT_SLOP |
| Constructor Summary | |
|---|---|
StaticBlockSplitter()
Instantiates a new static block splitter. |
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StaticBlockSplitter(Configuration configuration)
Instantiates a new static block splitter. |
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StaticBlockSplitter(Configuration configuration,
int splits)
Instantiates a new static block splitter. |
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| Method Summary | |
|---|---|
protected long |
computeSplitSize(long blockSize,
long minSize,
long maxSize)
Compute split size. |
void |
setSplits(int splits)
Sets the splits count. |
| Methods inherited from class org.springframework.data.hadoop.store.split.SlopBlockSplitter |
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getMaxSplitSize, getMinSplitSize, getSplits, setMaxSplitSize, setMinSplitSize, setSlop |
| Methods inherited from class org.springframework.data.hadoop.store.split.AbstractSplitter |
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buildSplit, getBlockIndex, getConfiguration, setConfiguration |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public StaticBlockSplitter()
public StaticBlockSplitter(Configuration configuration)
configuration - the configuration
public StaticBlockSplitter(Configuration configuration,
int splits)
configuration - the configurationsplits - the splits| Method Detail |
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protected long computeSplitSize(long blockSize,
long minSize,
long maxSize)
AbstractSplitter
computeSplitSize in class AbstractSplitterblockSize - the block sizeminSize - the min sizemaxSize - the max size
public void setSplits(int splits)
splits - the new splits count
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