org.apache.derby.impl.sql

Class GenericStorablePreparedStatement

java.lang.Object

org.apache.derby.impl.sql.GenericPreparedStatement

org.apache.derby.impl.sql.GenericStorablePreparedStatement

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, Dependable, Formatable, TypedFormat, Dependent, ExecPreparedStatement, PreparedStatement, StorablePreparedStatement

public class GenericStorablePreparedStatement
extends GenericPreparedStatement
implements Formatable, StorablePreparedStatement

Prepared statement that can be made persistent.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.derby.impl.sql.GenericPreparedStatement

statement

Fields inherited from interface org.apache.derby.catalog.Dependable

ACTIVATION, ALIAS, COLUMNS_IN_TABLE, COLUMNS_PERMISSION, CONGLOMERATE, CONSTRAINT, DEFAULT, FILE, HEAP, INDEX, PERM, PREPARED_STATEMENT, ROLE_GRANT, ROUTINE_PERMISSION, SCHEMA, SEQUENCE, STORED_PREPARED_STATEMENT, TABLE, TABLE_PERMISSION, TRIGGER, VIEW

Constructor Summary

Constructors

Constructor and Description
GenericStorablePreparedStatement() Niladic constructor, for formatable only.

Method Summary

Modifier and Type	Method and Description
GeneratedClass	getActivationClass() Get and load the activation class.
int	getTypeFormatId() Get the formatID which corresponds to this class.
boolean	isStorable()
void	loadGeneratedClass() Load up the class from the saved bytes.
void	readExternal(java.io.ObjectInput in)
java.lang.String	toString()
void	writeExternal(java.io.ObjectOutput out)

Methods inherited from class org.apache.derby.impl.sql.GenericPreparedStatement

execute, executeSubStatement, executeSubStatement, finish, getActivation, getBeginCompileTimestamp, getBindTimeInMillis, getClassType, getClone, getCompileTimeInMillis, getCompileTimeWarnings, getConstantAction, getCursorInfo, getDependableFinder, getEndCompileTimestamp, getGenerateTimeInMillis, getInitialRowCount, getObjectID, getObjectName, getOptimizeTimeInMillis, getParameterType, getParameterTypes, getParseTimeInMillis, getRequiredPermissionsList, getResultDescription, getSavedObject, getSavedObjects, getSource, getSPSName, getStalePlanCheckInterval, getTargetTable, getUpdateMode, getVersionCounter, hasUpdateColumns, incrementExecutionCount, incrementVersionCounter, isAtomic, isPersistent, isUpdateColumn, isValid, makeInvalid, needsSavepoint, prepareToInvalidate, referencesSessionSchema, referencesSessionSchema, rePrepare, rePrepare, setCacheHolder, setRequiredPermissionsList, setSource, setSPSAction, setSPSName, setStalePlanCheckInterval, setValid, upToDate, upToDate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.derby.iapi.sql.execute.ExecPreparedStatement

finish, getClone, getConstantAction, getCursorInfo, getInitialRowCount, getRequiredPermissionsList, getSavedObject, getSavedObjects, getStalePlanCheckInterval, getTargetTable, getUpdateMode, hasUpdateColumns, incrementExecutionCount, isUpdateColumn, needsSavepoint, setSource, setSPSAction, setStalePlanCheckInterval, setValid, upToDate

Methods inherited from interface org.apache.derby.iapi.sql.PreparedStatement

execute, executeSubStatement, executeSubStatement, getActivation, getBeginCompileTimestamp, getBindTimeInMillis, getCompileTimeInMillis, getCompileTimeWarnings, getEndCompileTimestamp, getGenerateTimeInMillis, getOptimizeTimeInMillis, getParameterType, getParameterTypes, getParseTimeInMillis, getResultDescription, getSource, getSPSName, getVersionCounter, isAtomic, referencesSessionSchema, rePrepare, upToDate

Methods inherited from interface org.apache.derby.iapi.sql.depend.Dependent

isValid, makeInvalid, prepareToInvalidate

Methods inherited from interface org.apache.derby.catalog.Dependable

getClassType, getDependableFinder, getObjectID, getObjectName, isPersistent

Constructor Detail

GenericStorablePreparedStatement

public GenericStorablePreparedStatement()

Niladic constructor, for formatable only.

Method Detail

getActivationClass

public GeneratedClass getActivationClass()
                                  throws StandardException

Get and load the activation class. Will always return a loaded/valid class or null if the class cannot be loaded.

Specified by:

getActivationClass in interface ExecPreparedStatement

Overrides:

getActivationClass in class GenericPreparedStatement

Returns:

the generated class, or null if the class cannot be loaded

Throws:

StandardException - on error

loadGeneratedClass

public void loadGeneratedClass()
                        throws StandardException

Load up the class from the saved bytes.

Specified by:

loadGeneratedClass in interface StorablePreparedStatement

Throws:

StandardException - on error

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException - on error

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException - on error

java.lang.ClassNotFoundException - on error

See Also:

Externalizable.readExternal(java.io.ObjectInput)

getTypeFormatId

public int getTypeFormatId()

Get the formatID which corresponds to this class.

Specified by:

getTypeFormatId in interface TypedFormat

Returns:

the formatID of this class

isStorable

public boolean isStorable()

Overrides:

isStorable in class GenericPreparedStatement

toString

public java.lang.String toString()

Overrides:

toString in class GenericPreparedStatement