Java Doc for QueryData.java in  » GIS » GeoTools-2.4.1 » org » geotools » data » jdbc » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.data.jdbc 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.geotools.data.jdbc.QueryData

QueryData
public class QueryData implements AttributeReader,AttributeWriter(Code)
QueryData holds the ResultSet obtained from the sql query and has the following responsibilities:
  • acts as the attribute reader by using the AttributeIO objects
  • acts as the attribute writer by using the AttributeIO objects
  • manages the resulset, statement and transaction and closes them cleanly if needed
  • provides methods for creating a new row, as well as inserting new ones, that are used by the JDBCFeatureWriter
  • holds the FIDMapper for feature reader and writer to use when building new features

author:
   aaime


Field Summary
final protected static  LoggerLOGGER
     The logger for the data module.
protected  AttributeIO[]attributeHandlers
    
protected  intbaseIndex
    
protected  Connectionconnection
    
protected  FeatureTypeInfofeatureTypeInfo
    
protected  Object[]fidAttributes
    
 booleanhasNextCalled
    
protected  Hintshints
    
 booleanlastNext
    
protected  FeatureListenerManagerlistenerManager
    
protected  FIDMappermapper
    
protected  ResultSetresultSet
    
protected  Statementstatement
    
protected  Transactiontransaction
    

Constructor Summary
public  QueryData(FeatureTypeInfo featureTypeInfo, JDBC1DataStore parentDataStore, Connection connection, Statement statement, ResultSet resultSet, Transaction transaction)
     Creates a new QueryData object.
public  QueryData(FeatureTypeInfo featureTypeInfo, JDBC1DataStore parentDataStore, Connection connection, Statement statement, ResultSet resultSet, Transaction transaction, Hints hints)
     Creates a new QueryData object.

Method Summary
public  voidclose()
    
public  voidclose(SQLException sqlException)
    
public  voiddeleteCurrentRow()
    
public  voiddoInsert()
    
protected  voidfinalize()
    
public  voidfireChangeRemoved(Envelope bounds, boolean isCommit)
    
public  voidfireFeaturesAdded(Envelope bounds, boolean isCommit)
    
public  voidfireFeaturesChanged(Envelope bounds, boolean isCommit)
    
public  intgetAttributeCount()
    
public  AttributeIO[]getAttributeHandlers()
    
public  AttributeTypegetAttributeType(int index)
    
public  ConnectiongetConnection()
    
public  FeatureTypegetFeatureType()
    
public  FeatureTypeInfogetFeatureTypeInfo()
    
public  HintsgetHints()
    
public  FeatureListenerManagergetListenerManager()
    
public  FIDMappergetMapper()
    
public  TransactiongetTransaction()
    
public  booleanhasNext()
    
public  booleanisClosed()
    
public  voidnext()
    
public  Objectread(int index)
    
public  ObjectreadFidColumn(int index)
    
public  voidstartInsert()
     Moves the result set to the insert row.
public  voidupdateRow()
    
public  voidwrite(int i, Object currAtt)
    
public  voidwriteFidColumn(int index, Object value)
    

Field Detail
LOGGER
final protected static Logger LOGGER(Code)
The logger for the data module.



attributeHandlers
protected AttributeIO[] attributeHandlers(Code)



baseIndex
protected int baseIndex(Code)



connection
protected Connection connection(Code)



featureTypeInfo
protected FeatureTypeInfo featureTypeInfo(Code)



fidAttributes
protected Object[] fidAttributes(Code)



hasNextCalled
boolean hasNextCalled(Code)



hints
protected Hints hints(Code)



lastNext
boolean lastNext(Code)



listenerManager
protected FeatureListenerManager listenerManager(Code)



mapper
protected FIDMapper mapper(Code)



resultSet
protected ResultSet resultSet(Code)



statement
protected Statement statement(Code)



transaction
protected Transaction transaction(Code)




Constructor Detail
QueryData
public QueryData(FeatureTypeInfo featureTypeInfo, JDBC1DataStore parentDataStore, Connection connection, Statement statement, ResultSet resultSet, Transaction transaction) throws IOException(Code)
Creates a new QueryData object.
Parameters:
  featureTypeInfo -
Parameters:
  parentDataStore -
Parameters:
  connection -
Parameters:
  statement -
Parameters:
  resultSet -
Parameters:
  transaction -



QueryData
public QueryData(FeatureTypeInfo featureTypeInfo, JDBC1DataStore parentDataStore, Connection connection, Statement statement, ResultSet resultSet, Transaction transaction, Hints hints) throws IOException(Code)
Creates a new QueryData object.
Parameters:
  featureTypeInfo -
Parameters:
  parentDataStore -
Parameters:
  connection -
Parameters:
  statement -
Parameters:
  resultSet -
Parameters:
  transaction -




Method Detail
close
public void close()(Code)

See Also:   org.geotools.data.AttributeWriter.close



close
public void close(SQLException sqlException)(Code)
Closes the JDBC objects associated to the queryData and reports the sqlException on the LOG
Parameters:
  sqlException -



deleteCurrentRow
public void deleteCurrentRow() throws SQLException(Code)
Deletes the current record in the result set
throws:
  SQLException -



doInsert
public void doInsert() throws SQLException(Code)
Insert a record in the current result set
throws:
  SQLException -



finalize
protected void finalize() throws Throwable(Code)



fireChangeRemoved
public void fireChangeRemoved(Envelope bounds, boolean isCommit)(Code)
Call after deleteCurrentRow()



fireFeaturesAdded
public void fireFeaturesAdded(Envelope bounds, boolean isCommit)(Code)
Call after doUpdate



fireFeaturesChanged
public void fireFeaturesChanged(Envelope bounds, boolean isCommit)(Code)
Call after updateRow



getAttributeCount
public int getAttributeCount()(Code)

See Also:   org.geotools.data.AttributeWriter.getAttributeCount



getAttributeHandlers
public AttributeIO[] getAttributeHandlers()(Code)
Returns the AttributeIO objects used to parse and encode the column values stored in the database



getAttributeType
public AttributeType getAttributeType(int index) throws ArrayIndexOutOfBoundsException(Code)

See Also:   org.geotools.data.AttributeReader.getAttributeType(int)



getConnection
public Connection getConnection()(Code)
DOCUMENT ME!



getFeatureType
public FeatureType getFeatureType()(Code)
Returns the current feature type



getFeatureTypeInfo
public FeatureTypeInfo getFeatureTypeInfo()(Code)
DOCUMENT ME!



getHints
public Hints getHints()(Code)



getListenerManager
public FeatureListenerManager getListenerManager()(Code)



getMapper
public FIDMapper getMapper()(Code)
Returns the FID mapper to be used when reading/writing features



getTransaction
public Transaction getTransaction()(Code)
Returns the current transation



hasNext
public boolean hasNext() throws IOException(Code)

See Also:   org.geotools.data.AttributeWriter.hasNext



isClosed
public boolean isClosed()(Code)
true if the QueryData has been closed, false otherwise



next
public void next() throws IOException(Code)

See Also:   org.geotools.data.AttributeWriter.next



read
public Object read(int index) throws IOException, ArrayIndexOutOfBoundsException(Code)

See Also:   org.geotools.data.AttributeReader.read(int)



readFidColumn
public Object readFidColumn(int index) throws IOException(Code)
Reads a column of the primary key
Parameters:
  index - the column index among the primary key columns (as reported by the FIDMapper) fid value
throws:
  IOException -
throws:
  DataSourceException -



startInsert
public void startInsert() throws SQLException(Code)
Moves the result set to the insert row. Must be called before writing the attribute values for the new Feature
throws:
  SQLException -



updateRow
public void updateRow() throws SQLException(Code)
Update the current record
throws:
  SQLException -



write
public void write(int i, Object currAtt) throws IOException(Code)

See Also:   org.geotools.data.AttributeWriter.write(intjava.lang.Object)



writeFidColumn
public void writeFidColumn(int index, Object value) throws IOException(Code)
Writes a column of the primary key
Parameters:
  index - the FID column index among the primary key columns (as reported by the FIDMapper)
Parameters:
  value - the column value
throws:
  IOException -
throws:
  DataSourceException -



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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