| Methods Summary |
|---|
| protected void | addOperator(oracle.toplink.essentials.expressions.ExpressionOperator operator)
platformOperators.put(new Integer(operator.getSelector()), operator);
|
| public void | addSequence(oracle.toplink.essentials.sequencing.Sequence sequence)Add sequence corresponding to the name
if (getSequences() == null) {
createSequences();
}
getSequences().put(sequence.getName(), sequence);
|
| public void | appendParameter(oracle.toplink.essentials.queryframework.Call call, java.io.Writer writer, java.lang.Object parameter)Add the parameter.
Convert the parameter to a string and write it.
String parameterValue = (String)getConversionManager().convertObject(parameter, ClassConstants.STRING);
if (parameterValue == null) {
parameterValue = "";
}
try {
writer.write(parameterValue);
} catch (IOException exception) {
throw ValidationException.fileError(exception);
}
|
| public java.lang.Object | clone()
try {
DatasourcePlatform clone = (DatasourcePlatform)super.clone();
clone.sequencesAfterCloneCleanup();
return clone;
} catch (CloneNotSupportedException exception) {
;//Do nothing
}
return null;
|
| public java.lang.Object | convertObject(java.lang.Object sourceObject, java.lang.Class javaClass)Convert the object to the appropriate type by invoking the appropriate
ConversionManager method
return getConversionManager().convertObject(sourceObject, javaClass);
|
| public void | copyInto(oracle.toplink.essentials.internal.databaseaccess.Platform platform)Copy the state into the new platform.
if (!(platform instanceof DatasourcePlatform)) {
return;
}
DatasourcePlatform datasourcePlatform = (DatasourcePlatform)platform;
datasourcePlatform.setTableQualifier(getTableQualifier());
datasourcePlatform.setTimestampQuery(this.timestampQuery);
datasourcePlatform.setConversionManager(getConversionManager());
if (hasDefaultSequence()) {
datasourcePlatform.setDefaultSequence(getDefaultSequence());
}
datasourcePlatform.setSequences(getSequences());
|
| protected oracle.toplink.essentials.sequencing.Sequence | createPlatformDefaultSequence()INTERNAL:
Create platform-default Sequence
throw ValidationException.createPlatformDefaultSequenceUndefined(Helper.getShortClassName(this));
|
| protected synchronized void | createSequences()
if (getSequences() == null) {
setSequences(new HashMap());
}
|
| public oracle.toplink.essentials.internal.helper.ConversionManager | getConversionManager()The platform hold its own instance of conversion manager to allow customization.
// Lazy init for serialization.
if (conversionManager == null) {
//Clone the default to allow customers to easily override the conversion manager
conversionManager = (ConversionManager)ConversionManager.getDefaultManager().clone();
}
return conversionManager;
|
| public java.lang.Object | getCustomModifyValueForCall(oracle.toplink.essentials.queryframework.Call call, java.lang.Object value, oracle.toplink.essentials.internal.helper.DatabaseField field, boolean shouldBind)Allow for the platform to handle the representation of parameters specially.
return value;
|
| public java.util.Vector | getDataTypesConvertedFrom(java.lang.Class javaClass)PUBLIC:
Return the list of Classes that can be converted to from the passed in javaClass.
return getConversionManager().getDataTypesConvertedFrom(javaClass);
|
| public java.util.Vector | getDataTypesConvertedTo(java.lang.Class javaClass)PUBLIC:
Return the list of Classes that can be converted from to the passed in javaClass.
return getConversionManager().getDataTypesConvertedTo(javaClass);
|
| public oracle.toplink.essentials.sequencing.Sequence | getDefaultSequence()Get default sequence
if (!hasDefaultSequence()) {
setDefaultSequence(createPlatformDefaultSequence());
}
return defaultSequence;
|
| public oracle.toplink.essentials.sequencing.Sequence | getDefaultSequenceToWrite()INTERNAL:
Used only for writing into XML or Java.
if (usesPlatformDefaultSequence()) {
return null;
} else {
return getDefaultSequence();
}
|
| public oracle.toplink.essentials.expressions.ExpressionOperator | getOperator(int selector)Return the operator for the operator constant defined in ExpressionOperator.
return (ExpressionOperator)getPlatformOperators().get(new Integer(selector));
|
| public synchronized java.util.Map | getPlatformOperators()Return any platform-specific operators
if (platformOperators == null) {
initializePlatformOperators();
}
return platformOperators;
|
| public oracle.toplink.essentials.sequencing.Sequence | getSequence(java.lang.String seqName)Get sequence corresponding to the name
if (seqName == null) {
return getDefaultSequence();
} else {
if (getSequences() != null) {
return (Sequence)getSequences().get(seqName);
} else {
return null;
}
}
|
| public int | getSequencePreallocationSize()
return getDefaultSequence().getPreallocationSize();
|
| public java.util.Map | getSequences()INTERNAL:
Returns a map of sequence names to Sequences (may be null).
return sequences;
|
| public java.util.Map | getSequencesToWrite()INTERNAL:
Used only for writing into XML or Java.
if ((getSequences() == null) || getSequences().isEmpty()) {
return null;
}
Map sequencesToWrite = new HashMap();
Iterator it = getSequences().values().iterator();
while (it.hasNext()) {
Sequence sequence = (Sequence)it.next();
if (!(sequence instanceof DefaultSequence) || ((DefaultSequence)sequence).hasPreallocationSize()) {
sequencesToWrite.put(sequence.getName(), sequence);
}
}
return sequencesToWrite;
|
| public java.lang.String | getTableQualifier()Return the qualifier for the table. Required by some
databases such as Oracle and DB2
return tableQualifier;
|
| public java.sql.Timestamp | getTimestampFromServer(oracle.toplink.essentials.internal.sessions.AbstractSession session, java.lang.String sessionName)Answer the timestamp from the server.
if (getTimestampQuery() == null) {
return new java.sql.Timestamp(System.currentTimeMillis());
} else {
getTimestampQuery().setSessionName(sessionName);
return (java.sql.Timestamp)session.executeQuery(getTimestampQuery());
}
|
| public oracle.toplink.essentials.queryframework.ValueReadQuery | getTimestampQuery()This method can be overridden by subclasses to return a
query that will return the timestamp from the server.
return null if the time should be the local time.
return timestampQuery;
|
| public boolean | hasDefaultSequence()Get default sequence
return defaultSequence != null;
|
| protected void | initializePlatformOperators()Initialize any platform-specific operators
this.platformOperators = new HashMap();
// Outer join
addOperator(ExpressionOperator.equalOuterJoin());
// General
addOperator(ExpressionOperator.toUpperCase());
addOperator(ExpressionOperator.toLowerCase());
addOperator(ExpressionOperator.chr());
addOperator(ExpressionOperator.concat());
addOperator(ExpressionOperator.hexToRaw());
addOperator(ExpressionOperator.initcap());
addOperator(ExpressionOperator.instring());
addOperator(ExpressionOperator.soundex());
addOperator(ExpressionOperator.leftPad());
addOperator(ExpressionOperator.leftTrim());
addOperator(ExpressionOperator.leftTrim2());
addOperator(ExpressionOperator.replace());
addOperator(ExpressionOperator.rightPad());
addOperator(ExpressionOperator.rightTrim());
addOperator(ExpressionOperator.rightTrim2());
addOperator(ExpressionOperator.substring());
addOperator(ExpressionOperator.toNumber());
addOperator(ExpressionOperator.toChar());
addOperator(ExpressionOperator.toCharWithFormat());
addOperator(ExpressionOperator.translate());
addOperator(ExpressionOperator.trim());
addOperator(ExpressionOperator.trim2());
addOperator(ExpressionOperator.ascii());
addOperator(ExpressionOperator.length());
addOperator(ExpressionOperator.locate());
addOperator(ExpressionOperator.locate2());
// Date
addOperator(ExpressionOperator.addMonths());
addOperator(ExpressionOperator.dateToString());
addOperator(ExpressionOperator.lastDay());
addOperator(ExpressionOperator.monthsBetween());
addOperator(ExpressionOperator.nextDay());
addOperator(ExpressionOperator.roundDate());
addOperator(ExpressionOperator.toDate());
addOperator(ExpressionOperator.today());
addOperator(ExpressionOperator.currentDate());
addOperator(ExpressionOperator.currentTime());
// Math
addOperator(ExpressionOperator.simpleMath(ExpressionOperator.Add, "+"));
addOperator(ExpressionOperator.simpleMath(ExpressionOperator.Subtract, "-"));
addOperator(ExpressionOperator.simpleMath(ExpressionOperator.Multiply, "*"));
addOperator(ExpressionOperator.simpleMath(ExpressionOperator.Divide, "/"));
addOperator(ExpressionOperator.ceil());
addOperator(ExpressionOperator.cos());
addOperator(ExpressionOperator.cosh());
addOperator(ExpressionOperator.abs());
addOperator(ExpressionOperator.acos());
addOperator(ExpressionOperator.asin());
addOperator(ExpressionOperator.atan());
addOperator(ExpressionOperator.exp());
addOperator(ExpressionOperator.sqrt());
addOperator(ExpressionOperator.floor());
addOperator(ExpressionOperator.ln());
addOperator(ExpressionOperator.log());
addOperator(ExpressionOperator.mod());
addOperator(ExpressionOperator.power());
addOperator(ExpressionOperator.round());
addOperator(ExpressionOperator.sign());
addOperator(ExpressionOperator.sin());
addOperator(ExpressionOperator.sinh());
addOperator(ExpressionOperator.tan());
addOperator(ExpressionOperator.tanh());
addOperator(ExpressionOperator.trunc());
addOperator(ExpressionOperator.greatest());
addOperator(ExpressionOperator.least());
// Object-relational
addOperator(ExpressionOperator.deref());
addOperator(ExpressionOperator.ref());
addOperator(ExpressionOperator.refToHex());
addOperator(ExpressionOperator.value());
|
| public boolean | isAccess()
return false;
|
| public boolean | isAttunity()
return false;
|
| public boolean | isCloudscape()
return false;
|
| public boolean | isDB2()
return false;
|
| public boolean | isDBase()
return false;
|
| public boolean | isDerby()
return false;
|
| public boolean | isHSQL()
return false;
|
| public boolean | isInformix()
return false;
|
| public boolean | isMySQL()
return false;
|
| public boolean | isODBC()
return false;
|
| public boolean | isOracle()
return false;
|
| public boolean | isPointBase()
return false;
|
| public boolean | isPostgreSQL()
return false;
|
| public boolean | isSQLAnywhere()
return false;
|
| public boolean | isSQLServer()
return false;
|
| public boolean | isSybase()
return false;
|
| public boolean | isTimesTen()
return false;
|
| public void | platformSpecificSequencingInitialization(oracle.toplink.essentials.sessions.DatabaseSession session)INTERNAL:
Platform specific sequencing initialization.
This internal method should only be called by SequencingManager.
By default does nothing.
|
| public void | removeAllSequences()Remove all sequences, but the default one.
sequences = null;
|
| public oracle.toplink.essentials.sequencing.Sequence | removeSequence(java.lang.String seqName)Remove sequence corresponding to name.
Doesn't remove default sequence.
if (getSequences() != null) {
return (Sequence)getSequences().remove(seqName);
} else {
return null;
}
|
| protected void | sequencesAfterCloneCleanup()
Sequence defaultSequenceClone = null;
if (hasDefaultSequence()) {
defaultSequenceClone = (Sequence)getDefaultSequence().clone();
setDefaultSequence(defaultSequenceClone);
}
HashMap sequencesDeepClone = null;
if (getSequences() != null) {
sequencesDeepClone = new HashMap(getSequences().size());
Iterator it = getSequences().values().iterator();
while (it.hasNext()) {
Sequence sequence = (Sequence)it.next();
if ((defaultSequenceClone != null) && (sequence == getDefaultSequence())) {
sequencesDeepClone.put(defaultSequenceClone.getName(), defaultSequenceClone);
} else {
Sequence sequenceClone = (Sequence)sequence.clone();
if (sequenceClone instanceof DefaultSequence) {
if (!((DefaultSequence)sequenceClone).hasPreallocationSize()) {
continue;
}
}
sequencesDeepClone.put(sequenceClone.getName(), sequenceClone);
}
}
this.setSequences(sequencesDeepClone);
}
|
| public void | setConversionManager(oracle.toplink.essentials.internal.helper.ConversionManager conversionManager)The platform hold its own instance of conversion manager to allow customization.
this.conversionManager = conversionManager;
|
| public void | setDefaultSequence(oracle.toplink.essentials.sequencing.Sequence sequence)Set default sequence. In case the passed sequence is of type DefaultSequence - use platformDefaultSequence
with name and size of the passed sequence.
if (sequence instanceof DefaultSequence) {
Sequence platformDefaultSequence = createPlatformDefaultSequence();
if (platformDefaultSequence != null) {
platformDefaultSequence.setName(sequence.getName());
if (((DefaultSequence)sequence).hasPreallocationSize()) {
platformDefaultSequence.setPreallocationSize(sequence.getPreallocationSize());
}
}
defaultSequence = platformDefaultSequence;
} else {
defaultSequence = sequence;
}
|
| public void | setSequences(java.util.Map sequences)INTERNAL:
Sets sequences - for XML support only
this.sequences = sequences;
|
| public void | setTableQualifier(java.lang.String qualifier)Set the qualifier for the table. Required by some
databases such as Oracle and DB2
tableQualifier = qualifier;
|
| public void | setTimestampQuery(oracle.toplink.essentials.queryframework.ValueReadQuery tsQuery)Can override the default query for returning a timestamp from the server.
See: getTimestampFromServer
timestampQuery = tsQuery;
|
| public boolean | shouldUseCustomModifyForCall(oracle.toplink.essentials.internal.helper.DatabaseField field)Used by SQLCall.appendModify(..)
If the field should be passed to customModifyInDatabaseCall, retun true,
otherwise false.
Methods shouldCustomModifyInDatabaseCall and customModifyInDatabaseCall should be
kept in sync: shouldCustomModifyInDatabaseCall should return true if and only if the field
is handled by customModifyInDatabaseCall.
return false;
|
| public java.lang.String | toString()
return Helper.getShortClassName(this.getClass());
|
| public boolean | usesPlatformDefaultSequence()INTERNAL:
Indicates whether defaultSequence is the same as platform default sequence.
if (!hasDefaultSequence()) {
return true;
} else {
return getDefaultSequence().equals(createPlatformDefaultSequence());
}
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