oracle.toplink.essentials.platform.database

Class DBasePlatform

java.lang.Object

oracle.toplink.essentials.internal.databaseaccess.DatasourcePlatform

oracle.toplink.essentials.internal.databaseaccess.DatabasePlatform

oracle.toplink.essentials.platform.database.DatabasePlatform

oracle.toplink.essentials.platform.database.DBasePlatform

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, Platform

public class DBasePlatform
extends DatabasePlatform

Purpose: Provides DBase specific behaviour.

Responsibilities:

• Writing Time & Timestamp as strings since they are not supported.

Since:

TOPLink/Java 1.0

See Also:

Serialized Form

Field Summary

Fields inherited from class oracle.toplink.essentials.internal.databaseaccess.DatabasePlatform

classTypes, cursorCode, fieldTypes, shouldBindAllParameters, shouldCacheAllStatements, shouldForceFieldNamesToUpperCase, shouldIgnoreCaseOnFieldComparisons, shouldOptimizeDataConversion, shouldTrimStrings, statementCacheSize, stringBindingSize, supportsAutoCommit, transactionIsolation, usesByteArrayBinding, usesNativeSQL, usesStreamsForBinding, usesStringBinding

Fields inherited from class oracle.toplink.essentials.internal.databaseaccess.DatasourcePlatform

conversionManager, dataTypesConvertedFromAClass, dataTypesConvertedToAClass, defaultSequence, platformOperators, sequences, tableQualifier, timestampQuery

Constructor Summary

Constructors

Constructor and Description
DBasePlatform()

Method Summary

Modifier and Type	Method and Description
protected java.util.Hashtable	buildFieldTypes() Return the mapping of class types to database types for the schema framework.
java.lang.Object	convertToDatabaseType(java.lang.Object value) INTERNAL: DBase does not support Time/Timestamp so we must map to strings.
int	getMaxFieldNameSize() INTERNAL: returns the maximum number of characters that can be used in a field name on this platform.
java.lang.String	getSelectForUpdateString() INTERNAL:
boolean	isDBase()
java.util.Hashtable	maximumNumericValues() INTERNAL: Builds a table of minimum numeric values keyed on java class.
java.util.Hashtable	minimumNumericValues() INTERNAL: Builds a table of minimum numeric values keyed on java class.
void	printFieldNotNullClause(java.io.Writer writer) INTERNAL: Append the receiver's field 'NOT NULL' constraint clause to a writer.
boolean	shouldUseJDBCOuterJoinSyntax() INTERNAL: JDBC defines and outer join syntax, many drivers do not support this.
boolean	supportsForeignKeyConstraints() INTERNAL:
boolean	supportsPrimaryKeyConstraint() INTERNAL:

Methods inherited from class oracle.toplink.essentials.internal.databaseaccess.DatabasePlatform

allowsSizeInProcedureArguments, appendBoolean, appendByteArray, appendCalendar, appendDate, appendLiteralToCall, appendLiteralToCallWithBinding, appendNumber, appendParameter, appendParameterInternal, appendString, appendTime, appendTimestamp, autoCommit, beginTransaction, buildCallWithReturning, buildClassTypes, buildSelectQueryForNativeSequence, buildSelectQueryForNativeSequence, canBuildCallWithReturning, commitTransaction, copyInto, createPlatformDefaultSequence, dontBindUpdateAllQueryUsingTempTables, executeStoredProcedure, getAssignmentString, getBatchBeginString, getBatchDelimiterString, getBatchEndString, getClassTypes, getConstraintDeletionString, getCreateTempTableSqlBodyForTable, getCreateTempTableSqlPrefix, getCreateTempTableSqlSuffix, getCreateViewString, getCreationInOutputProcedureToken, getCreationOutputProcedureToken, getCursorCode, getFieldTypeDefinition, getFieldTypes, getFunctionCallHeader, getInOutputProcedureToken, getJDBCOuterJoinString, getJDBCType, getJDBCType, getJdbcTypeName, getMaxForeignKeyNameSize, getMaxUniqueKeyNameSize, getObjectFromResultSet, getOutputProcedureToken, getProcedureArgumentSetter, getProcedureArgumentString, getProcedureAsString, getProcedureBeginString, getProcedureCallHeader, getProcedureCallTail, getProcedureEndString, getQualifiedSequenceTableName, getSelectForUpdateNoWaitString, getSelectForUpdateOfString, getSequenceCounterFieldName, getSequenceNameFieldName, getSequencePreallocationSize, getSequenceTableName, getStatementCacheSize, getStoredProcedureParameterPrefix, getStoredProcedureTerminationToken, getStringBindingSize, getTempTableForTable, getTransactionIsolation, isInformixOuterJoin, isNullAllowedInSelectClause, printFieldIdentityClause, printFieldIdentityClause, printFieldNullClause, printFieldTypeSize, printFieldUnique, printValuelist, printValuelist, processResultSet, registerOutputParameter, requiresNamedPrimaryKeyConstraints, requiresProcedureCallBrackets, requiresProcedureCallOuputToken, requiresTypeNameToRegisterOutputParameter, rollbackTransaction, setClassTypes, setCursorCode, setFieldTypes, setParameterValueInDatabaseCall, setParameterValueInDatabaseCall, setParameterValueInDatabaseCall, setPrimitiveParameterValue, setSequenceCounterFieldName, setSequenceNameFieldName, setSequenceTableName, setShouldBindAllParameters, setShouldCacheAllStatements, setShouldForceFieldNamesToUpperCase, setShouldIgnoreCaseOnFieldComparisons, setShouldOptimizeDataConversion, setShouldTrimStrings, setStatementCacheSize, setStringBindingSize, setSupportsAutoCommit, setTransactionIsolation, setUsesByteArrayBinding, setUsesNativeSQL, setUsesStreamsForBinding, setUsesStringBinding, shouldAcquireSequenceValueAfterInsert, shouldAlwaysUseTempStorageForModifyAll, shouldBindAllParameters, shouldBindLiterals, shouldCacheAllStatements, shouldForceFieldNamesToUpperCase, shouldIgnoreCaseOnFieldComparisons, shouldIgnoreException, shouldNativeSequenceAcquireValueAfterInsert, shouldNativeSequenceUseTransaction, shouldOptimizeDataConversion, shouldPrintConstraintNameAfter, shouldPrintInOutputTokenBeforeType, shouldPrintOuterJoinInWhereClause, shouldPrintOutputTokenAtStart, shouldPrintOutputTokenBeforeType, shouldTempTableSpecifyPrimaryKeys, shouldTrimStrings, supportsAutoCommit, supportsGlobalTempTables, supportsLocalTempTables, supportsNativeSequenceNumbers, supportsStoredFunctions, supportsTempTables, supportsUniqueKeyConstraints, usesByteArrayBinding, usesNativeSQL, usesSequenceTable, usesStreamsForBinding, usesStringBinding, writeAutoAssignmentSetClause, writeAutoJoinWhereClause, writeCleanUpTempTableSql, writeCreateTempTableSql, writeDeleteFromTargetTableUsingTempTableSql, writeFields, writeFieldsAutoClause, writeFieldsList, writeInsertIntoTableSql, writeJoinWhereClause, writeLOB, writeParameterMarker, writeUpdateOriginalFromTempTableSql

Methods inherited from class oracle.toplink.essentials.internal.databaseaccess.DatasourcePlatform

addOperator, addSequence, clone, convertObject, createSequences, getConversionManager, getCustomModifyValueForCall, getDataTypesConvertedFrom, getDataTypesConvertedTo, getDefaultSequence, getDefaultSequenceToWrite, getOperator, getPlatformOperators, getSequence, getSequences, getSequencesToWrite, getTableQualifier, getTimestampFromServer, getTimestampQuery, hasDefaultSequence, initializePlatformOperators, isAccess, isAttunity, isCloudscape, isDB2, isDerby, isHSQL, isInformix, isMySQL, isODBC, isOracle, isPointBase, isPostgreSQL, isSQLAnywhere, isSQLServer, isSybase, isTimesTen, platformSpecificSequencingInitialization, removeAllSequences, removeSequence, sequencesAfterCloneCleanup, setConversionManager, setDefaultSequence, setSequences, setTableQualifier, setTimestampQuery, shouldUseCustomModifyForCall, toString, usesPlatformDefaultSequence

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DBasePlatform

public DBasePlatform()

Method Detail

buildFieldTypes

protected java.util.Hashtable buildFieldTypes()

Description copied from class: DatabasePlatform

Return the mapping of class types to database types for the schema framework.

Overrides:

buildFieldTypes in class DatabasePlatform

convertToDatabaseType

public java.lang.Object convertToDatabaseType(java.lang.Object value)

INTERNAL: DBase does not support Time/Timestamp so we must map to strings. 2.0p22: protected->public INTERNAL

Overrides:

convertToDatabaseType in class DatabasePlatform

getMaxFieldNameSize

public int getMaxFieldNameSize()

INTERNAL: returns the maximum number of characters that can be used in a field name on this platform.

Overrides:

getMaxFieldNameSize in class DatabasePlatform

getSelectForUpdateString

public java.lang.String getSelectForUpdateString()

INTERNAL:

Overrides:

getSelectForUpdateString in class DatabasePlatform

isDBase

public boolean isDBase()

Specified by:

isDBase in interface Platform

Overrides:

isDBase in class DatasourcePlatform

maximumNumericValues

public java.util.Hashtable maximumNumericValues()

INTERNAL: Builds a table of minimum numeric values keyed on java class. This is used for type testing but might also be useful to end users attempting to sanitize values.

NOTE: BigInteger & BigDecimal minimums are dependent upon their precision & Scale

Overrides:

maximumNumericValues in class DatabasePlatform

minimumNumericValues

public java.util.Hashtable minimumNumericValues()

INTERNAL: Builds a table of minimum numeric values keyed on java class. This is used for type testing but might also be useful to end users attempting to sanitize values.

NOTE: BigInteger & BigDecimal minimums are dependent upon their precision & Scale

Overrides:

minimumNumericValues in class DatabasePlatform

printFieldNotNullClause

public void printFieldNotNullClause(java.io.Writer writer)

INTERNAL: Append the receiver's field 'NOT NULL' constraint clause to a writer.

Overrides:

printFieldNotNullClause in class DatabasePlatform

shouldUseJDBCOuterJoinSyntax

public boolean shouldUseJDBCOuterJoinSyntax()

INTERNAL: JDBC defines and outer join syntax, many drivers do not support this. So we normally avoid it.

Overrides:

shouldUseJDBCOuterJoinSyntax in class DatabasePlatform

supportsForeignKeyConstraints

public boolean supportsForeignKeyConstraints()

INTERNAL:

Overrides:

supportsForeignKeyConstraints in class DatabasePlatform

supportsPrimaryKeyConstraint

public boolean supportsPrimaryKeyConstraint()

INTERNAL:

Overrides:

supportsPrimaryKeyConstraint in class DatabasePlatform