de.must.dataobj

Class AssoDataObjectForPrep

java.lang.Object

de.must.dataobj.DataObject

de.must.dataobj.AssoDataObject

de.must.dataobj.AssoDataObjectForPrep

All Implemented Interfaces:

AssoDataObjectInterface, DataObjectConstructionDetails, EntityInfo, Exemptible

public abstract class AssoDataObjectForPrep
extends AssoDataObject

Data object which is used for n:m relationships between other data objects. Variant using prepared statements.

Field Summary

Fields inherited from class de.must.dataobj.DataObject

changeLogger, columnNames, columnType, htColumnType, INSERTMODE, maxFieldSize, original, UPDATEMODE

Constructor Summary

Constructors

Constructor and Description
AssoDataObjectForPrep(java.sql.Connection newDbConnection, java.lang.String stmtString) Constructs a new association data object.
AssoDataObjectForPrep(DataObjectConstructionDetails dataObjectConstructionDetails, java.lang.String stmtString) Constructs a new DataObject with the specified DB connection details.
AssoDataObjectForPrep(GlobalStd global, java.lang.String stmtString) Constructs a new association data object.

Method Summary

Modifier and Type	Method and Description
protected void	discardStatements() Discard prepared statements, e.g. to force new creation due to underlying connection has been closed.
protected java.sql.PreparedStatement	getIsLinkedStatement()
boolean	isLinked(Identifier id1, Identifier id2) Returns true of ID 1 is linked with ID 2.

Methods inherited from class de.must.dataobj.AssoDataObject

getConnection

Methods inherited from class de.must.dataobj.DataObject

addDataChangeListener, addDataSelectionListener, alertBadUniqueKey, allocateNewIdentifier, checkRecoverConnection, closeIfExists, closePreparedStatementsForWhereCondition, closeQuery, commitIfNotAutoCommit, contains, contains, contains, contains, contains, contains, count, count, count, count, count, count, countThrowException, delete, delete, deleteFreeConditioned, deleteFreeConditioned, deleteFreeConditionedAndCount, ensureMetaDataIsAvailableForAllColumns, finalize, fireDataChanged, free, getBoolean, getBoolean, getBytes, getColumnCount, getColumnLabel, getColumnLength, getColumnName, getColumnName, getColumnScale, getColumnType, getColumnType, getColumnType, getColumnType, getDate, getDate, getDate, getDateFormattedWithShortYear, getDeletionHindrance, getDescription, getDescription, getDouble, getDouble, getEntityId, getFailedQueryExpression, getFloat, getGlobalWhereCondition, getGlobalWhereCondition, getIdentifier, getIdentifyTemplate, getIdentifyValueInt, getIdentifyWhereCondition, getIdManager, getInt, getInt, getIntAsStringZeroSuppressed, getKeyExtendedFieldSelection, getLastException, getLoadException, getLong, getmaxRow, getMode, getNbrOfFittingItems, getNbrOfFittingItems, getNbrOfFittingItems, getNbrOfFittingItems, getNbrOfFittingItems, getNbrOfFittingItems, getObject, getOriginalOf, getQueryException, getRecordingDate, getRecordingUser, getRowCount, getSqlCompareString, getSqlCompareString, getText, getText, getTextNoMatterWhatTypeOfColumn, getTime, getTimestamp, getUniqueKeyName, getWorkedOnBoolean, getWorkedOnDate, getWorkedOnDouble, getWorkedOnInt, getWorkedOnOf, getWorkedOnText, getWorkedOnText, getWorkedOnTime, getWorkedOnTimestamp, insert, isAvailable, isAvailable, isAvailable, isColumnContained, isColumnToUseForGlobalSearch, isDeletionAllowed, isKnownAsBoolean, isMemo, isModified, isModifiedColumn, isQueryFindingRecords, isQueryFindingRecords, load, load, load, load, load, load, load, loadColumns, loadFirst, logDebug, logError, logError, logError, logInfo, newRow, newRowWithNextIdentifierAllocation, nextColumn, nextRow, openQuery, openQueryThrowException, register, removeDataChangeListener, removeDataSelectionListener, resetColumnPointer, rollbackIfNotAutoCommit, save, save, save, searchGlobal, searchGlobal, select, select, select, select, select, select, select, select, select, select, select, select, select, select, selectForStreaming, setBoolean, setChangeLog, setChangeLogger, setColumnNameOfRecordingDate, setConnection, setDate, setDate, setDate, setDouble, setDouble, setDouble, setFloat, setIdentifier, setIdentityValue, setIdentityValue, setIdentityValue, setIdInclOriginal, setIdManager, setInt, setInt, setLong, setNoLogging, setObject, setReadBigDecimalAsInt, setRecordingUser, setRecordingUser, setSilentUpdate, setText, setText, setTime, setTimestamp, sqlExceptionConsequences, sqlSecure, unifyColumnName, unifyColumnNameForHashMapKey, unifyTableName, update, updateIdentifier, updateOrInsert, updateOrInsert

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface de.must.dataobj.AssoDataObjectInterface

link, unlink

Methods inherited from interface de.must.dataobj.EntityInfo

getAttributes, getForeignKeys, getIndices, getTableName

Constructor Detail

AssoDataObjectForPrep

public AssoDataObjectForPrep(GlobalStd global,
                             java.lang.String stmtString)

Constructs a new association data object.

Parameters:

global - the global parameters to pass

stmtString - the string to use to build the prepared statement to check if IDs are linked.

AssoDataObjectForPrep

public AssoDataObjectForPrep(DataObjectConstructionDetails dataObjectConstructionDetails,
                             java.lang.String stmtString)

Constructs a new DataObject with the specified DB connection details.

Parameters:

dataObjectConstructionDetails - the DB connection details to use

stmtString - the string to use to build the prepared statement.

AssoDataObjectForPrep

public AssoDataObjectForPrep(java.sql.Connection newDbConnection,
                             java.lang.String stmtString)

Constructs a new association data object.

Parameters:

newDbConnection - the connection to use

stmtString - the string to use to build the prepared statement.

Method Detail

getIsLinkedStatement

protected java.sql.PreparedStatement getIsLinkedStatement()
                                                   throws java.sql.SQLException

Throws:

java.sql.SQLException

isLinked

public boolean isLinked(Identifier id1,
                        Identifier id2)

Returns true of ID 1 is linked with ID 2. Override this method if one ore more ID is not a unique integer identifier.

Parameters:

id1 - the primary key of the owner

id2 - the primary key of the associated entity return true if the relationship exists

Returns:

true of ID 1 is linked with ID 2

discardStatements

protected void discardStatements()

Description copied from class: DataObject

Discard prepared statements, e.g. to force new creation due to underlying connection has been closed.

Overrides:

discardStatements in class DataObject