Top Fields Constructors Methods

org.apache.derby.client.am

public Class SectionManager

Class Inheritance

extends Object

java.lang.Object
org.apache.derby.client.am.SectionManager

Imports

java.lang.ref.WeakReference, java.sql.ResultSet, java.util.Hashtable, .Stack, org.apache.derby.shared.common.reference.SQLState

Field Summary

Modifier and Type	Field and Description
private Agent	agent_
private static final String	cursorNamePrefixWithHold__
private static final String	cursorNamePrefixWithNoHold__
private final Stack<Section>	freeSectionsHold_
private final Stack<Section>	freeSectionsNonHold_
pack-priv byte[]	holdPKGNAMCBytes
private final int	maxNumSections_
private int	nextAvailableSectionNumber_
pack-priv byte[]	noHoldPKGNAMCBytes
private static final String	packageNameWithHold__
private static final String	packageNameWithNoHold__
private final Hashtable<String, Section>	positionedUpdateCursorNameToQuerySection_
private final Hashtable<String, WeakReference<ClientResultSet>>	positionedUpdateCursorNameToResultSet_

Constructor Summary

Access	Constructor and Description
public	SectionManager(Agent agent)

Method Summary

Modifier and Type	Method and Description
pack-priv void	freeSection(Section section, int resultSetHoldability)
pack-priv Section	getDynamicSection(int resultSetHoldability)
pack-priv ClientResultSet	getPositionedUpdateResultSet(String cursorName)
pack-priv Section	getPositionedUpdateSection(Section querySection)
pack-priv Section	getPositionedUpdateSection(String cursorName, boolean useExecuteImmediateSection)
private Section	getSection(Stack<E> freeSections, String packageName, String cursorNamePrefix, int resultSetHoldability)
pack-priv void	mapCursorNameToQuerySection(String cursorName, Section section)
pack-priv void	mapCursorNameToResultSet(String cursorName, ClientResultSet resultSet)
pack-priv void	removeCursorNameToQuerySectionMapping(String clientCursorName, String serverCursorName)
pack-priv void	removeCursorNameToResultSetMapping(String clientCursorName, String serverCursorName)
pack-priv void	setPKGNAMCBytes(byte[] bytearray that has the PKGNAMC information to be stored b, int depending on the holdability store it in the correct byte array packagename and consistency token information for when holdability is set to HOLD_CURSORS_OVER_COMMIT is stored in holdPKGNAMCBytes and in noHoldPKGNAMCBytes when holdability is set to CLOSE_CURSORS_AT_COMMIT resultSetHoldability) Store the Packagename and consistency token information This is called from Section.setPKGNAMCBytes

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

agent_	back to summary
private Agent agent_

cursorNamePrefixWithHold__	back to summary
private static final String cursorNamePrefixWithHold__

cursorNamePrefixWithNoHold__	back to summary
private static final String cursorNamePrefixWithNoHold__

freeSectionsHold_	back to summary
private final Stack<Section> freeSectionsHold_

freeSectionsNonHold_	back to summary
private final Stack<Section> freeSectionsNonHold_

holdPKGNAMCBytes	back to summary
pack-priv byte[] holdPKGNAMCBytes

maxNumSections_	back to summary
private final int maxNumSections_

nextAvailableSectionNumber_	back to summary
private int nextAvailableSectionNumber_

noHoldPKGNAMCBytes	back to summary
pack-priv byte[] noHoldPKGNAMCBytes

packageNameWithHold__	back to summary
private static final String packageNameWithHold__

packageNameWithNoHold__	back to summary
private static final String packageNameWithNoHold__

positionedUpdateCursorNameToQuerySection_	back to summary
private final Hashtable<String, Section> positionedUpdateCursorNameToQuerySection_

positionedUpdateCursorNameToResultSet_	back to summary
private final Hashtable<String, WeakReference<ClientResultSet>> positionedUpdateCursorNameToResultSet_

Constructor Detail

SectionManager	back to summary
public SectionManager(Agent agent)

Method Detail

freeSection	back to summary
pack-priv void freeSection(Section section, int resultSetHoldability)

getDynamicSection	back to summary
pack-priv Section getDynamicSection(int resultSetHoldability) throws SqlException

getPositionedUpdateResultSet	back to summary
pack-priv ClientResultSet getPositionedUpdateResultSet(String cursorName) throws SqlException

getPositionedUpdateSection	back to summary
pack-priv Section getPositionedUpdateSection(Section querySection) throws SqlException

getPositionedUpdateSection	back to summary
pack-priv Section getPositionedUpdateSection(String cursorName, boolean useExecuteImmediateSection) throws SqlException

getSection	back to summary
private Section getSection(Stack<E> freeSections, String packageName, String cursorNamePrefix, int resultSetHoldability) throws SqlException

mapCursorNameToQuerySection	back to summary
pack-priv void mapCursorNameToQuerySection(String cursorName, Section section)

mapCursorNameToResultSet	back to summary
pack-priv void mapCursorNameToResultSet(String cursorName, ClientResultSet resultSet)

removeCursorNameToQuerySectionMapping	back to summary
pack-priv void removeCursorNameToQuerySectionMapping(String clientCursorName, String serverCursorName)

removeCursorNameToResultSetMapping	back to summary
pack-priv void removeCursorNameToResultSetMapping(String clientCursorName, String serverCursorName)

setPKGNAMCBytes

back to summary

pack-priv void setPKGNAMCBytes(byte[] b, int resultSetHoldability)

Store the Packagename and consistency token information This is called from Section.setPKGNAMCBytes

Parameters

b:byte[]: bytearray that has the PKGNAMC information to be stored
resultSetHoldability:int: depending on the holdability store it in the correct byte array packagename and consistency token information for when holdability is set to HOLD_CURSORS_OVER_COMMIT is stored in holdPKGNAMCBytes and in noHoldPKGNAMCBytes when holdability is set to CLOSE_CURSORS_AT_COMMIT