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org.eclipse.dawnsci.analysis.tree.impl
Class DataNodeImpl



java.lang.Object


org.eclipse.dawnsci.analysis.tree.impl.NodeImpl


org.eclipse.dawnsci.analysis.tree.impl.DataNodeImpl









All Implemented Interfaces:
java.io.Serializable, DataNode, Node




public class DataNodeImpl
extends NodeImpl
implements DataNode, java.io.Serializable

See Also:
Serialized Form












Field Summary

Fields 

Modifier and Type
Field and Description


protected static long
serialVersionUID 






Fields inherited from class org.eclipse.dawnsci.analysis.tree.impl.NodeImpl
attributes, id, INDENT





Fields inherited from interface org.eclipse.dawnsci.analysis.api.tree.Node
ATTRIBUTE, SEPARATOR








Constructor Summary

Constructors 

Constructor and Description


DataNodeImpl(long oid)
Construct a data node with given object ID










Method Summary

All Methods Instance Methods Concrete Methods 

Modifier and Type
Method and Description


long[]
getChunkShape() 


ILazyDataset
getDataset()
Returns the dataset for the data node.



long[]
getMaxShape() 


int
getMaxStringLength()
Get maximum length of any string contained in node when it is encoded as bytes



int
getRank()
Get the rank of the dataset



java.lang.String
getString()
Get a string if this dataset is a string or dataset



java.lang.String
getTypeName() 


ILazyWriteableDataset
getWriteableDataset()
Returns the ILazyWriteableDataset for the data node
 This can return null if the dataset for this datanode is not writeable or is empty



boolean
isAugmented() 


boolean
isDataNode() 


boolean
isString() 


boolean
isSupported() 


boolean
isUnsigned() 


void
setAugmented()
Set state to indicate dataset has been augmented with metadata



void
setChunkShape(long... chunkShape)
Set chunk shape of dataset



void
setDataset(ILazyDataset lazyDataset)
Set given (lazy) dataset



void
setEmpty()
Set dataset to be empty



void
setMaxShape(long... maxShape)
Set maximum shape of dataset



void
setMaxStringLength(int length)
Set maximum length of any string contained in node when it is encoded as bytes



void
setString(java.lang.String text)
Set string



void
setTypeName(java.lang.String name)
Set HDF5 type name



void
setUnsigned(boolean isUnsigned) 


java.lang.String
toString() 






Methods inherited from class org.eclipse.dawnsci.analysis.tree.impl.NodeImpl
addAttribute, containsAttribute, getAttribute, getAttributeIterator, getAttributeNameIterator, getID, getNumberOfAttributes, isGroupNode, isSymbolicNode





Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait





Methods inherited from interface org.eclipse.dawnsci.analysis.api.tree.Node
addAttribute, containsAttribute, getAttribute, getAttributeIterator, getAttributeNameIterator, getID, getNumberOfAttributes, isGroupNode, isSymbolicNode














Field Detail





serialVersionUID
protected static final long serialVersionUID

See Also:
Constant Field Values










Constructor Detail





DataNodeImpl
public DataNodeImpl(long oid)
Construct a data node with given object ID

Parameters:
oid - object ID










Method Detail





isUnsigned
public boolean isUnsigned()

Specified by:
isUnsigned in interface DataNode
Returns:
true if data is unsigned








setUnsigned
public void setUnsigned(boolean isUnsigned)

Specified by:
setUnsigned in interface DataNode








isString
public boolean isString()

Specified by:
isString in interface DataNode
Returns:
true if data is string data








getMaxStringLength
public int getMaxStringLength()
Description copied from interface: DataNode
Get maximum length of any string contained in node when it is encoded as bytes

Specified by:
getMaxStringLength in interface DataNode
Returns:
length in bytes or -1 if not a string








setMaxStringLength
public void setMaxStringLength(int length)
Description copied from interface: DataNode
Set maximum length of any string contained in node when it is encoded as bytes

Specified by:
setMaxStringLength in interface DataNode
Parameters:
length - in bytes








getTypeName
public java.lang.String getTypeName()

Specified by:
getTypeName in interface DataNode
Returns:
HDF5 type name








setTypeName
public void setTypeName(java.lang.String name)
Description copied from interface: DataNode
Set HDF5 type name

Specified by:
setTypeName in interface DataNode








getMaxShape
public long[] getMaxShape()

Specified by:
getMaxShape in interface DataNode
Returns:
maximum shape (can be null)








setMaxShape
public void setMaxShape(long... maxShape)
Description copied from interface: DataNode
Set maximum shape of dataset

Specified by:
setMaxShape in interface DataNode








getRank
public int getRank()
Description copied from interface: DataNode
Get the rank of the dataset

Specified by:
getRank in interface DataNode
Returns:
rank








getChunkShape
public long[] getChunkShape()

Specified by:
getChunkShape in interface DataNode
Returns:
chunk shape (can be null)








setChunkShape
public void setChunkShape(long... chunkShape)
Description copied from interface: DataNode
Set chunk shape of dataset

Specified by:
setChunkShape in interface DataNode








isSupported
public boolean isSupported()

Specified by:
isSupported in interface DataNode
Returns:
true if this dataset is supported








setEmpty
public void setEmpty()
Description copied from interface: DataNode
Set dataset to be empty

Specified by:
setEmpty in interface DataNode








getString
public java.lang.String getString()
Description copied from interface: DataNode
Get a string if this dataset is a string or dataset

Specified by:
getString in interface DataNode
Returns:
string or null








setString
public void setString(java.lang.String text)
Description copied from interface: DataNode
Set string

Specified by:
setString in interface DataNode








getDataset
public ILazyDataset getDataset()
Description copied from interface: DataNode
Returns the dataset for the data node.
 This can return null for empty datasets

Specified by:
getDataset in interface DataNode
Returns:
lazy dataset








getWriteableDataset
public ILazyWriteableDataset getWriteableDataset()
Description copied from interface: DataNode
Returns the ILazyWriteableDataset for the data node
 This can return null if the dataset for this datanode is not writeable or is empty

Specified by:
getWriteableDataset in interface DataNode
Returns:
lazy writeable dataset








setDataset
public void setDataset(ILazyDataset lazyDataset)
Description copied from interface: DataNode
Set given (lazy) dataset

Specified by:
setDataset in interface DataNode








isAugmented
public boolean isAugmented()

Specified by:
isAugmented in interface DataNode
Returns:
true if dataset has been augmented with metadata








setAugmented
public void setAugmented()
Description copied from interface: DataNode
Set state to indicate dataset has been augmented with metadata

Specified by:
setAugmented in interface DataNode








isDataNode
public boolean isDataNode()

Specified by:
isDataNode in interface Node
Overrides:
isDataNode in class NodeImpl
Returns:
true if this node is a DataNode,
 false otherwise








toString
public java.lang.String toString()

Overrides:
toString in class NodeImpl














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