ucar.nc2.grib.collection

Class Grib2CollectionBuilder

java.lang.Object

ucar.nc2.grib.collection.GribCollectionBuilder

ucar.nc2.grib.collection.Grib2CollectionBuilder

public class Grib2CollectionBuilder
extends GribCollectionBuilder

Builds indexes for collections of Grib2 files. May create GC or PC

Since:

2/5/14

Author:

John

Nested Class Summary

Nested classes/interfaces inherited from class ucar.nc2.grib.collection.GribCollectionBuilder

GribCollectionBuilder.Group, GribCollectionBuilder.GroupAndRuntime

Field Summary

Fields inherited from class ucar.nc2.grib.collection.GribCollectionBuilder

dcm, directory, isGrib1, logger, name

Constructor Summary

Constructors

Constructor and Description
Grib2CollectionBuilder(String name, MCollection dcm, org.slf4j.Logger logger)

Method Summary

Methods

Modifier and Type	Method and Description
static int	cdmVariableHash(Grib2Customizer cust, Grib2Record gr, int gdsHash, boolean intvMerge, boolean useGenType, org.slf4j.Logger logger) A hash code to group records into a CDM variable Herein lies the semantics of a variable object identity.
List<Grib2CollectionWriter.Group>	makeGroups(List<MFile> allFiles, Formatter errlog)
protected boolean	writeIndex(String name, String indexFilepath, CoordinateRuntime masterRuntime, List<? extends GribCollectionBuilder.Group> groups, List<MFile> files)

Methods inherited from class ucar.nc2.grib.collection.GribCollectionBuilder

createIndex, updateNeeded

Methods inherited from class java.lang.Object

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

Constructor Detail

Grib2CollectionBuilder

public Grib2CollectionBuilder(String name,
                      MCollection dcm,
                      org.slf4j.Logger logger)

Method Detail

makeGroups

public List<Grib2CollectionWriter.Group> makeGroups(List<MFile> allFiles,
                                           Formatter errlog)
                                             throws IOException

Specified by:

makeGroups in class GribCollectionBuilder

Throws:

IOException

writeIndex

protected boolean writeIndex(String name,
                 String indexFilepath,
                 CoordinateRuntime masterRuntime,
                 List<? extends GribCollectionBuilder.Group> groups,
                 List<MFile> files)
                      throws IOException

Specified by:

writeIndex in class GribCollectionBuilder

Throws:

IOException

cdmVariableHash

public static int cdmVariableHash(Grib2Customizer cust,
                  Grib2Record gr,
                  int gdsHash,
                  boolean intvMerge,
                  boolean useGenType,
                  org.slf4j.Logger logger)

A hash code to group records into a CDM variable Herein lies the semantics of a variable object identity. Read it and weep.

Parameters:

gr - the Grib record

gdsHash - can override the gdsHash

Returns:

this record's hash code, identical hash means belongs to the same variable