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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.data

Source Cross Reference Class Diagram Java Document (Java Doc)

org.geotools.data .AttributeReader

All known Subclasses:   org.geotools.data.property .PropertyAttributeReader,  org.geotools.data .JoiningAttributeReader,  org.geotools.arcsde.data .ArcSDEAttributeReader,  org.geotools.data.jdbc .QueryData,  org.geotools.data.tiger .TigerAttributeReader,
AttributeReader
public interface AttributeReader (Code)
The low-level attribute reading API. An AttributeReader is responsible for reading a finite set of attributes from an underlying storage format. It provides meta-data regarding the data it can provide, and an iterative, row-based approach for accessing the data.
author:
   Ian Schneider
version:
   $Id: AttributeReader.java 20651 2006-07-21 07:51:54Z jgarnett $
See Also:   AttributeAcceptor

Method Summary
void close()

int getAttributeCount()
     The number of attributes this reader can read, i.e the length of a row.
org.geotools.feature.AttributeType getAttributeType(int index)
     Retrieve the AttributeType at the given index.
boolean hasNext()

void next()
     Advance the reader to the next set of attributes.
Object read(int index)
     Read the attribute at the given index.

Method Detail
close
void close() throws IOException(Code)
Release any resources associated with this reader

getAttributeCount
int getAttributeCount()(Code)
The number of attributes this reader can read, i.e the length of a row. Number of attribtues this reader can read

getAttributeType
org.geotools.feature.AttributeType getAttributeType(int index) throws ArrayIndexOutOfBoundsException(Code)
Retrieve the AttributeType at the given index. AttributeType at given index

hasNext
boolean hasNext() throws IOException(Code)
Does another set of attributes exist in this reader? true if additional content exists forAttributeReader

next
void next() throws IOException(Code)
Advance the reader to the next set of attributes.

read
Object read(int index) throws IOException, ArrayIndexOutOfBoundsException(Code)
Read the attribute at the given index. Object Attribute at given index

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