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package uk.ac.bristol.star.cdf.record;
/**
* Keeps track of a file offset.
*
* @author Mark Taylor
* @since 18 Jun 2013
*/
public class Pointer {
private long value_;
/**
* Constructor.
*
* @param value initial value
*/
public Pointer( long value ) {
value_ = value;
}
/**
* Returns this pointer's current value.
*
* @return value
*/
public long get() {
return value_;
}
/**
* Returns this pointer's current value and increments it by a given step.
*
* @param increment amount to increase value by
* @return pre-increment value
*/
public long getAndIncrement( int increment ) {
long v = value_;
value_ += increment;
return v;
}
/**
* Sets this pointer's current value.
*
* @param value new value
*/
public void set( long value ) {
value_ = value;
}
}
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