Package org.ka2ddo.opentrac
Class OpenTracTimestamp
java.lang.Object
org.ka2ddo.opentrac.OpenTracElement
org.ka2ddo.opentrac.OpenTracTimestamp
- All Implemented Interfaces:
Serializable
An OpenTRAC element that represents the current time at an entity in Java milliseconds since
1 Jan 1970 UTC.
- See Also:
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Field Summary
Modifier and TypeFieldDescriptionlong
Timestamp value in milliseconds since 1 Jan 1970 UTC (the Unix epoch),Fields inherited from class org.ka2ddo.opentrac.OpenTracElement
id
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Constructor Summary
ConstructorDescriptionCreate an OpenTracTimestamp element for the current time.OpenTracTimestamp
(int type, byte[] body, int offset, int length) Create an OpenTRAC element with a 4-byte timestamp value from the next series of bytes in an encoded OpenTRAC message. -
Method Summary
Modifier and TypeMethodDescriptionint
computeBody
(byte[] buf, int offset) Append this element to a message bufferboolean
equalsElement
(OpenTracElement other) Test if this OpenTracElement has the same type and value as another OpenTracElement.int
length()
Return the number of bytes needed to encode this element.Get the string representation of the value of this element.Methods inherited from class org.ka2ddo.opentrac.OpenTracElement
getId, toString
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Field Details
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timestamp
public long timestampTimestamp value in milliseconds since 1 Jan 1970 UTC (the Unix epoch),
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Constructor Details
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OpenTracTimestamp
public OpenTracTimestamp()Create an OpenTracTimestamp element for the current time. -
OpenTracTimestamp
public OpenTracTimestamp(int type, byte[] body, int offset, int length) Create an OpenTRAC element with a 4-byte timestamp value from the next series of bytes in an encoded OpenTRAC message.- Parameters:
type
- OpenTRAC element type codebody
- byte array containing the encoded OpenTRAC elementsoffset
- starting index in the array where this element beginslength
- remaining number of bytes in the OpenTRAC encoded message
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Method Details
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valueString
Get the string representation of the value of this element.- Specified by:
valueString
in classOpenTracElement
- Returns:
- value string
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computeBody
public int computeBody(byte[] buf, int offset) Append this element to a message buffer- Specified by:
computeBody
in classOpenTracElement
- Parameters:
buf
- byte array to add the element tooffset
- starting index to store the element- Returns:
- index after the end of the stored element
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length
public int length()Return the number of bytes needed to encode this element.- Specified by:
length
in classOpenTracElement
- Returns:
- byte count needed to hold this element
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equalsElement
Test if this OpenTracElement has the same type and value as another OpenTracElement.- Specified by:
equalsElement
in classOpenTracElement
- Parameters:
other
- OpenTracElement to compare against this element- Returns:
- boolean true if elements are of the same type, class, and value
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