org.apache.accumulo.core.data
Class Range

java.lang.Object
  org.apache.accumulo.core.data.Range

All Implemented Interfaces:

java.lang.Comparable<Range>, org.apache.hadoop.io.Writable, org.apache.hadoop.io.WritableComparable<Range>

public class Range
extends java.lang.Object
implements org.apache.hadoop.io.WritableComparable<Range>

Constructor Summary

Range()
Creates a range that goes from negative to positive infinity

Range(java.lang.CharSequence row)
Creates a range that covers an entire row

Range(java.lang.CharSequence startRow, boolean startRowInclusive, java.lang.CharSequence endRow, boolean endRowInclusive)
Creates a range from startRow inclusive to endRow inclusive

Range(java.lang.CharSequence startRow, java.lang.CharSequence endRow)
Creates a range from startRow inclusive to endRow inclusive

Range(Key startKey, boolean startKeyInclusive, Key endKey, boolean endKeyInclusive)

Range(Key startKey, Key endKey)
Creates a range from startKey inclusive to endKey inclusive

Range(Key start, Key stop, boolean startKeyInclusive, boolean stopKeyInclusive, boolean infiniteStartKey, boolean infiniteStopKey)

Range(Range range)
Copy constructor

Range(org.apache.hadoop.io.Text row)
Creates a range that covers an entire row

Range(org.apache.hadoop.io.Text startRow, boolean startRowInclusive, org.apache.hadoop.io.Text endRow, boolean endRowInclusive)
Creates a range from startRow inclusive to endRow inclusive

Range(org.apache.hadoop.io.Text startRow, org.apache.hadoop.io.Text endRow)
Creates a range from startRow inclusive to endRow inclusive

Range(TRange trange)

Method Summary

boolean	afterEndKey(Key key)
boolean	beforeStartKey(Key key)
Range	bound(Column min, Column max)
Range	clip(Range range)
Range	clip(Range range, boolean returnNullIfDisjoint)
int	compareTo(Range o)
boolean	contains(Key key)
boolean	equals(java.lang.Object o)
boolean	equals(Range otherRange)
Key	getEndKey()
Key	getStartKey()
int	hashCode()
boolean	isEndKeyInclusive()
boolean	isInfiniteStartKey()
boolean	isInfiniteStopKey()
boolean	isStartKeyInclusive()
static java.util.List<Range>	mergeOverlapping(java.util.Collection<Range> ranges)
void	readFields(java.io.DataInput in)
java.lang.String	toString()
TRange	toThrift()
void	write(java.io.DataOutput out)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Range

public Range()

Creates a range that goes from negative to positive infinity

Range

public Range(Key startKey,
             Key endKey)

Creates a range from startKey inclusive to endKey inclusive

Parameters:

startKey - set this to null when negative infinity is needed

endKey - set this to null when positive infinity is needed

Range

public Range(java.lang.CharSequence row)

Creates a range that covers an entire row

Parameters:

row - set this to null to cover all rows

Range

public Range(org.apache.hadoop.io.Text row)

Creates a range that covers an entire row

Parameters:

row - set this to null to cover all rows

Range

public Range(org.apache.hadoop.io.Text startRow,
             org.apache.hadoop.io.Text endRow)

Creates a range from startRow inclusive to endRow inclusive

Parameters:

startRow - set this to null when negative infinity is needed

endRow - set this to null when positive infinity is needed

Range

public Range(java.lang.CharSequence startRow,
             java.lang.CharSequence endRow)

Creates a range from startRow inclusive to endRow inclusive

Parameters:

startRow - set this to null when negative infinity is needed

endRow - set this to null when positive infinity is needed

Range

public Range(org.apache.hadoop.io.Text startRow,
             boolean startRowInclusive,
             org.apache.hadoop.io.Text endRow,
             boolean endRowInclusive)

Creates a range from startRow inclusive to endRow inclusive

Parameters:

startRow - set this to null when negative infinity is needed

startRowInclusive - determines if the start row is skipped

endRow - set this to null when positive infinity is needed

endRowInclusive - determines if the endRow is included

Range

public Range(java.lang.CharSequence startRow,
             boolean startRowInclusive,
             java.lang.CharSequence endRow,
             boolean endRowInclusive)

Creates a range from startRow inclusive to endRow inclusive

Parameters:

startRow - set this to null when negative infinity is needed

startRowInclusive - determines if the start row is skipped

endRow - set this to null when positive infinity is needed

endRowInclusive - determines if the endRow is included

Range

public Range(Key startKey,
             boolean startKeyInclusive,
             Key endKey,
             boolean endKeyInclusive)

Parameters:

startKey - set this to null when negative infinity is needed

startKeyInclusive - determines if the ranges includes the start key

endKey - set this to null when infinity is needed

endKeyInclusive - determines if the range includes the end key

Range

public Range(Range range)

Copy constructor

Range

public Range(Key start,
             Key stop,
             boolean startKeyInclusive,
             boolean stopKeyInclusive,
             boolean infiniteStartKey,
             boolean infiniteStopKey)

Range

public Range(TRange trange)

Method Detail

getStartKey

public Key getStartKey()

beforeStartKey

public boolean beforeStartKey(Key key)

getEndKey

public Key getEndKey()

afterEndKey

public boolean afterEndKey(Key key)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

equals

public boolean equals(Range otherRange)

compareTo

public int compareTo(Range o)

Specified by:

compareTo in interface java.lang.Comparable<Range>

contains

public boolean contains(Key key)

mergeOverlapping

public static java.util.List<Range> mergeOverlapping(java.util.Collection<Range> ranges)

clip

public Range clip(Range range)

clip

public Range clip(Range range,
                  boolean returnNullIfDisjoint)

bound

public Range bound(Column min,
                   Column max)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

readFields

public void readFields(java.io.DataInput in)
                throws java.io.IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

java.io.IOException

write

public void write(java.io.DataOutput out)
           throws java.io.IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

java.io.IOException

isStartKeyInclusive

public boolean isStartKeyInclusive()

isEndKeyInclusive

public boolean isEndKeyInclusive()

toThrift

public TRange toThrift()

isInfiniteStartKey

public boolean isInfiniteStartKey()

isInfiniteStopKey

public boolean isInfiniteStopKey()