org.yamcs.parameterarchive

Class IntValueSegment

java.lang.Object

org.yamcs.parameterarchive.BaseSegment

org.yamcs.parameterarchive.IntValueSegment

All Implemented Interfaces:

ValueSegment

public class IntValueSegment
extends BaseSegment
implements ValueSegment

32 bit integers encoded as deltas of deltas (good if the values are relatively constant or in increasing order)

Author:

nm

Field Summary

Fields inherited from class org.yamcs.parameterarchive.BaseSegment

FORMAT_ID_BinaryValueSegment, FORMAT_ID_BooleanValueSegment, FORMAT_ID_DoubleValueSegment, FORMAT_ID_FloatValueSegment, FORMAT_ID_GenericValueSegment, FORMAT_ID_IntValueSegment, FORMAT_ID_LongValueSegment, FORMAT_ID_OldBooleanValueSegment, FORMAT_ID_ParameterStatusSegment, FORMAT_ID_SortedTimeValueSegment, FORMAT_ID_StringValueSegment, formatId

Method Summary

Modifier and Type	Method and Description
void	add(int pos, Value v)
IntValueSegment	consolidate()
static IntValueSegment	consolidate(List<Value> values, boolean signed)
boolean	equals(Object obj)
int	getMaxSerializedSize()
ValueArray	getRange(int posStart, int posStop, boolean ascending) returns an array containing the values in the range [posStart, posStop) if ascending or [posStop, posStart) if descending
Value	getValue(int index) returns Value at position index
static IntValueSegment	parseFrom(ByteBuffer bb)
int	size()
void	writeCompressed(ByteBuffer bb)
void	writeTo(ByteBuffer bb)

Methods inherited from class org.yamcs.parameterarchive.BaseSegment

getFormatId, parseSegment

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

writeTo

public void writeTo(ByteBuffer bb)

Specified by:

writeTo in class BaseSegment

writeCompressed

public void writeCompressed(ByteBuffer bb)

parseFrom

public static IntValueSegment parseFrom(ByteBuffer bb)
                                 throws DecodingException

Throws:

DecodingException

consolidate

public static IntValueSegment consolidate(List<Value> values,
                                          boolean signed)

getMaxSerializedSize

public int getMaxSerializedSize()

Specified by:

getMaxSerializedSize in class BaseSegment

Returns:

a high approximation for the serialized size in order to allocate a ByteBuffer big enough

getValue

public Value getValue(int index)

Description copied from interface: ValueSegment

returns Value at position index

Specified by:

getValue in interface ValueSegment

Returns:

the value at the index

getRange

public ValueArray getRange(int posStart,
                           int posStop,
                           boolean ascending)

Description copied from interface: ValueSegment

returns an array containing the values in the range [posStart, posStop) if ascending or [posStop, posStart) if descending

Specified by:

getRange in interface ValueSegment

Returns:

an array containing the values in the specified range

size

public int size()

Specified by:

size in interface ValueSegment

Specified by:

size in class BaseSegment

add

public void add(int pos,
                Value v)

Specified by:

add in interface ValueSegment

consolidate

public IntValueSegment consolidate()

Specified by:

consolidate in interface ValueSegment

equals

public boolean equals(Object obj)

Overrides:

equals in class Object