public class DapNetcdfFile extends NetcdfFile
Modifier and Type | Class and Description |
---|---|
protected static class |
DapNetcdfFile.NullCancelTask |
Modifier and Type | Field and Description |
---|---|
protected boolean |
allowCompression |
protected Map<Variable,Array> |
arraymap
Originally, the array for a variable was stored
using var.setCacheData().
|
protected CancelTask |
cancel |
protected boolean |
closed |
protected D4DSP |
dsp |
protected String |
finalurl |
protected NodeMap |
nodemap |
protected static DapNetcdfFile.NullCancelTask |
nullcancel |
protected String |
originalurl |
protected XURI |
xuri |
cache, cacheName, debugCompress, debugSPI, dimensions, gattributes, id, IOSP_MESSAGE_ADD_RECORD_STRUCTURE, IOSP_MESSAGE_CONVERT_RECORD_STRUCTURE, IOSP_MESSAGE_RANDOM_ACCESS_FILE, IOSP_MESSAGE_REMOVE_RECORD_STRUCTURE, location, reservedCdl, reservedFullName, reservedSectionSpec, rootGroup, showRequest, spi, title, variables
Constructor and Description |
---|
DapNetcdfFile(String url)
Open a Dap4 connection
|
DapNetcdfFile(String url,
CancelTask cancelTask)
Open a Dap4 connection or file via a D4DSP.
|
Modifier and Type | Method and Description |
---|---|
void |
close()
Close all resources (files, sockets, etc) associated with this file.
|
DSP |
getDSP() |
String |
getURL() |
boolean |
isconstrainable() |
List<Array> |
readArrays(List<Variable> variables)
Do a bulk read on a list of Variables and
return a corresponding list of Array that contains the results
of a full read on each Variable.
|
protected Array |
readData(Variable cdmvar,
Section section)
Primary read entry point.
|
Array |
readSection(String variableSection)
Read a variable using the given section specification.
|
long |
readToByteChannel(Variable v,
Section section,
WritableByteChannel channel)
Read databuffer from a top level Variable
and send databuffer to a WritableByteChannel.
|
addAttribute, addAttribute, addDimension, addGroup, addStringVariable, addVariable, addVariable, addVariableAttribute, canOpen, empty, findAttribute, findAttValueIgnoreCase, findDimension, findGlobalAttribute, findGlobalAttributeIgnoreCase, findGroup, findVariable, findVariable, findVariableByAttribute, finish, getCacheName, getDetailInfo, getDetailInfo, getDimensions, getFileTypeDescription, getFileTypeId, getFileTypeVersion, getGlobalAttributes, getId, getIosp, getLastModified, getLocation, getRootGroup, getStructureIterator, getTitle, getUnlimitedDimension, getVariables, hasUnlimitedDimension, iospRegistered, main, makeFullName, makeFullName, makeFullNameSectionSpec, makeFullNameWithString, makeNameUnescaped, makeRecordStructure, makeRootGroup, makeValidCDLName, makeValidCdmObjectName, makeValidPathName, makeValidSectionSpecName, open, open, open, open, open, open, openInMemory, openInMemory, openInMemory, openInMemory, reacquire, read, readAttributeDouble, readAttributeInteger, readToOutputStream, registerIOProvider, registerIOProvider, registerIOProvider, release, removeDimension, removeRecordStructure, removeVariable, sendIospMessage, setCacheName, setDebugFlags, setFileCache, setId, setImmutable, setLocation, setProperty, setTitle, showCached, showProxies, syncExtend, toString, toStringDebug, toStringEnd, toStringStart, toStringStart, writeCDL, writeCDL, writeCDL, writeNcML, writeNcML
protected static final DapNetcdfFile.NullCancelTask nullcancel
protected boolean allowCompression
protected boolean closed
protected String originalurl
protected String finalurl
protected XURI xuri
protected D4DSP dsp
protected CancelTask cancel
protected NodeMap nodemap
public DapNetcdfFile(String url, CancelTask cancelTask) throws IOException
url
- URL for the request.cancelTask
- check if task is cancelled; may be null.IOException
public DapNetcdfFile(String url) throws IOException
url
- URL for the request.IOException
public void close() throws IOException
close
in interface AutoCloseable
close
in interface FileCacheable
close
in class NetcdfFile
IOException
- if error when closingpublic boolean isconstrainable()
public String getURL()
public DSP getDSP()
public List<Array> readArrays(List<Variable> variables) throws IOException
readArrays
in class NetcdfFile
variables
- List of type VariableIOException
- if read errorpublic long readToByteChannel(Variable v, Section section, WritableByteChannel channel) throws IOException, InvalidRangeException
readToByteChannel
in class NetcdfFile
v
- a top-level Variablesection
- the section of databuffer to read.
There must be a Range for each Dimension in the variable,
in order.
Note: no nulls allowed. IOSP may not modify.channel
- write databuffer to this WritableByteChannelIOException
- if read errorInvalidRangeException
- if invalid sectionpublic Array readSection(String variableSection) throws IOException, InvalidRangeException
NetcdfFile
readSection
in class NetcdfFile
variableSection
- the constraint expression.IOException
- if errorInvalidRangeException
- if variableSection is invalidprotected Array readData(Variable cdmvar, Section section) throws IOException, InvalidRangeException
readData
in class NetcdfFile
cdmvar
- A top-level variablesection
- the section of databuffer to read.
There must be a Range for each Dimension in the variable,
in order. Note: no nulls allowed.IOException
- if read errorInvalidRangeException
- if invalid sectionCopyright © 1999–2018 UCAR/Unidata. All rights reserved.