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java.lang.Objectorg.apache.hadoop.hbase.filter.PrefixRowFilter
public class PrefixRowFilter
RowFilterInterface that filters everything that does not match a prefix
Field Summary | |
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protected byte[] |
prefix
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Constructor Summary | |
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PrefixRowFilter()
Default Constructor, filters nothing. |
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PrefixRowFilter(byte[] prefix)
Constructor that takes a row prefix to filter on |
Method Summary | |
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boolean |
filterAllRemaining()
Determines if the filter has decided that all remaining results should be filtered (skipped). |
boolean |
filterColumn(byte[] rowKey,
byte[] colunmName,
byte[] columnValue)
Filters on row key, column name, and column value. |
boolean |
filterRow(SortedMap<byte[],Cell> columns)
Filter on the fully assembled row. |
boolean |
filterRowKey(byte[] rowKey)
Filters on just a row key. |
boolean |
processAlways()
Returns whether or not the filter should always be processed in any filtering call. |
void |
readFields(DataInput in)
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void |
reset()
Resets the state of the filter. |
void |
rowProcessed(boolean filtered,
byte[] key)
Called to let filter know the final decision (to pass or filter) on a given row. |
void |
validate(byte[][] columns)
Validates that this filter applies only to a subset of the given columns. |
void |
write(DataOutput out)
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected byte[] prefix
Constructor Detail |
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public PrefixRowFilter(byte[] prefix)
public PrefixRowFilter()
Method Detail |
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public void reset()
RowFilterInterface
reset
in interface RowFilterInterface
public void rowProcessed(boolean filtered, byte[] key)
RowFilterInterface
rowProcessed
in interface RowFilterInterface
RowFilterSet
public boolean processAlways()
RowFilterInterface
processAlways
in interface RowFilterInterface
public boolean filterAllRemaining()
RowFilterInterface
filterAllRemaining
in interface RowFilterInterface
public boolean filterRowKey(byte[] rowKey)
RowFilterInterface
filterRowKey
in interface RowFilterInterface
public boolean filterColumn(byte[] rowKey, byte[] colunmName, byte[] columnValue)
RowFilterInterface
filterColumn
in interface RowFilterInterface
rowKey
- row key to filter on.colunmName
- column name to filter oncolumnValue
- column value to filter on
public boolean filterRow(SortedMap<byte[],Cell> columns)
RowFilterInterface
filterRow
in interface RowFilterInterface
public void validate(byte[][] columns)
RowFilterInterface
validate
in interface RowFilterInterface
public void readFields(DataInput in) throws IOException
readFields
in interface org.apache.hadoop.io.Writable
IOException
public void write(DataOutput out) throws IOException
write
in interface org.apache.hadoop.io.Writable
IOException
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