/**
* Constructor
*
* @param name name must be unique within group. Can be null only if not shared.
* @param length length, or UNLIMITED.length or UNKNOWN.length
* @param isShared whether its shared or local to Variable.
* @param isUnlimited whether the length can grow.
* @param isVariableLength whether the length is unknown until the data is read.
*/
public Dimension(
String name, int length, boolean isShared, boolean isUnlimited, boolean isVariableLength) {
setName(name);
this.isShared = isShared;
this.isUnlimited = isUnlimited;
this.isVariableLength = isVariableLength;
setLength(length);
assert (this.name != null) || !this.isShared;
}
// look if the wanted dimension is in the unknownDims list.
private Dimension checkUnknownDims(
String wantDim, List<Dimension> unknownDims, Dimension oldDim, String location) {
for (Dimension dim : unknownDims) {
if (dim.getShortName().equals(wantDim)) {
int len = oldDim.getLength();
if (len == 0) dim.setUnlimited(true); // allow zero length dimension !!
dim.setLength(len); // use existing (anon) dimension
Group parent = dim.getGroup();
parent.addDimensionIfNotExists(dim); // add to the parent
unknownDims.remove(dim); // remove from list LOOK is this ok?
log.warn("unknownDim {} length set to {}{}", wantDim, oldDim.getLength(), location);
return dim;
}
}
return null;
}
/**
* Set whether the length is variable.
*
* @param b true if variable length
*/
public void setVariableLength(boolean b) {
if (immutable) throw new IllegalStateException("Cant modify");
this.isVariableLength = b;
setLength(this.length); // check legal
}
/**
* Set whether this is unlimited, meaning length can increase.
*
* @param b true if unlimited
*/
public void setUnlimited(boolean b) {
if (immutable) throw new IllegalStateException("Cant modify");
this.isUnlimited = b;
setLength(this.length); // check legal
}