wt.pds
Class DepthThresholdStatementBuilder

java.lang.Object
  wt.pds.BasicStatementBuilder
      wt.pds.DepthThresholdStatementBuilder

All Implemented Interfaces:

Externalizable, Serializable, StatementBuilder, StatementFilter

Direct Known Subclasses:

NavigateThresholdStatementBuilder

public class DepthThresholdStatementBuilder

extends BasicStatementBuilder

implements StatementFilter

This class builds a select statement for the depth threshold pre-query. This is a union statement for classnames given a Vector of table combintations and a SelectStatementBuilder.

Supported API: false

Extendable: false

See Also:

Serialized Form

Field Summary

private static String	CLASSNAME
protected static SequentialResultBuilder	CONSTANT_RESULT_BUILDER
static boolean	DEBUG
static long	EXTERNALIZATION_VERSION_UID
private Vector[]	fromArray
private static DebugWriter	LOG
private static Vector	NULL_TABLE_VECTOR
protected static long	OLD_FORMAT_VERSION_UID
private static String	RESOURCE
(package private) static long	serialVersionUID
private int	sqlLength
private QuerySpecStatementBuilder	statementBuilder

Fields inherited from class wt.pds.BasicStatementBuilder

DMLGENERATOR

Fields inherited from interface wt.pds.StatementBuilder

CHUNKING_ENABLED, FETCH_SIZE, SQL_STATEMENTS, STATEMENT_COUNT

Constructor Summary

DepthThresholdStatementBuilder()


Supported API: false

DepthThresholdStatementBuilder(QuerySpecStatementBuilder a_statementBuilder)


Supported API: false

Method Summary

String[]	buildSQL(ResultBuilder a_resultBuilder, WTConnection a_connection, boolean a_isComponent, boolean a_isComponentChunkSupported) Returns an array of SQL statements to execute.
protected String	buildSQLStatement(Vector a_tables, Vector a_aliases, ResultBuilder a_resultBuilder, int a_sqlIndex) This method builds a single SQL statement for the concrete tables specified.
int	execute(Vector[] a_fromArray, WTConnection a_connection, AttributeMapInfo a_attributeMapInfo) This method executes a query to filter the Statement list.
private String	getExists(Vector a_tables, Vector a_aliases, int a_sqlIndex)
protected String	getExistsSubSelect(Vector a_tables, Vector a_aliases, int a_sqlIndex)
Vector	getStatementBindParameters(int a_sqlIndex) Returns a Vector of bind parameters for the specified statement.
protected QuerySpecStatementBuilder	getStatementBuilder() Gets the object for the association that plays role: statementBuilder.
private WhereClause	getWhereClause()
void	readExternal(ObjectInput input) Reads the non-transient fields of this class from an external source.
private boolean	readOldVersion(ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source, which is not the current version.
protected boolean	readVersion(DepthThresholdStatementBuilder thisObject, ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source.
void	writeExternal(ObjectOutput output) Writes the non-transient fields of this class to an external source.

Methods inherited from class wt.pds.BasicStatementBuilder

appendBindParameter, buildSQL, clone, getFetchSize, getSqlStatements, getStatement, getStatementCount, insertBindParameterAt, isChunkingEnabled, readVersion, setChunkingEnabled, setFetchSize, setSqlStatements

Methods inherited from class java.lang.Object

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

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

CLASSNAME

private static final String CLASSNAME

statementBuilder

private QuerySpecStatementBuilder statementBuilder

serialVersionUID

static final long serialVersionUID

See Also:

Constant Field Values

EXTERNALIZATION_VERSION_UID

public static final long EXTERNALIZATION_VERSION_UID

See Also:

Constant Field Values

OLD_FORMAT_VERSION_UID

protected static final long OLD_FORMAT_VERSION_UID

See Also:

Constant Field Values

DEBUG

public static final boolean DEBUG

LOG

private static final DebugWriter LOG

sqlLength

private transient int sqlLength

fromArray

private transient Vector[] fromArray

CONSTANT_RESULT_BUILDER

protected static final SequentialResultBuilder CONSTANT_RESULT_BUILDER

NULL_TABLE_VECTOR

private static final Vector NULL_TABLE_VECTOR

Constructor Detail

DepthThresholdStatementBuilder

public DepthThresholdStatementBuilder(QuerySpecStatementBuilder a_statementBuilder)

Supported API: false

Parameters:

a_statementBuilder -

DepthThresholdStatementBuilder

public DepthThresholdStatementBuilder()

Supported API: false

Method Detail

writeExternal

public void writeExternal(ObjectOutput output)
                   throws IOException

Writes the non-transient fields of this class to an external source.

Supported API: false

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class BasicStatementBuilder

Parameters:

output -

Throws:

IOException

readExternal

public void readExternal(ObjectInput input)
                  throws IOException,
                         ClassNotFoundException

Reads the non-transient fields of this class from an external source.

Supported API: false

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class BasicStatementBuilder

Parameters:

input -

Throws:

IOException

ClassNotFoundException

readVersion

protected boolean readVersion(DepthThresholdStatementBuilder thisObject,
                              ObjectInput input,
                              long readSerialVersionUID,
                              boolean passThrough,
                              boolean superDone)
                       throws IOException,
                              ClassNotFoundException

Reads the non-transient fields of this class from an external source.

Supported API: false

Parameters:

thisObject -

input -

readSerialVersionUID -

passThrough -

superDone -

Returns:

boolean

Throws:

IOException

ClassNotFoundException

readOldVersion

private boolean readOldVersion(ObjectInput input,
                               long readSerialVersionUID,
                               boolean passThrough,
                               boolean superDone)
                        throws IOException,
                               ClassNotFoundException

Reads the non-transient fields of this class from an external source, which is not the current version.

Parameters:

input -

readSerialVersionUID -

passThrough -

superDone -

Returns:

boolean

Throws:

IOException

ClassNotFoundException

getStatementBuilder

protected QuerySpecStatementBuilder getStatementBuilder()

Gets the object for the association that plays role: statementBuilder.

Supported API: false

Returns:

QuerySpecStatementBuilder

buildSQL

public String[] buildSQL(ResultBuilder a_resultBuilder,
                         WTConnection a_connection,
                         boolean a_isComponent,
                         boolean a_isComponentChunkSupported)
                  throws PersistenceException

Returns an array of SQL statements to execute.

Supported API: false

Specified by:

buildSQL in interface StatementBuilder

Parameters:

a_resultBuilder -

a_connection -

a_isComponent - Indicates that these SQL statements will be used as nested components of another SQL statement.

a_isComponentChunkSupported - Indicates that these SQL statements will support chunk or not, and the value will be false when a_isComponent is false, and can be true or false when a_isComponents is true.

Returns:

String[]

Throws:

PersistenceException

buildSQLStatement

protected String buildSQLStatement(Vector a_tables,
                                   Vector a_aliases,
                                   ResultBuilder a_resultBuilder,
                                   int a_sqlIndex)
                            throws PersistenceException

This method builds a single SQL statement for the concrete tables specified.

Supported API: false

Parameters:

a_tables - Tables to build statement for.

a_aliases - Aliases to use building statement.

a_resultBuilder - instance to use building statement

a_sqlIndex - Index of this statement

Returns:

String

Throws:

PersistenceException

getStatementBindParameters

public Vector getStatementBindParameters(int a_sqlIndex)
                                  throws PersistenceException

Returns a Vector of bind parameters for the specified statement.

Supported API: false

Specified by:

getStatementBindParameters in interface StatementBuilder

Specified by:

getStatementBindParameters in class BasicStatementBuilder

Parameters:

a_sqlIndex -

Returns:

Vector

Throws:

PersistenceException

execute

public int execute(Vector[] a_fromArray,
                   WTConnection a_connection,
                   AttributeMapInfo a_attributeMapInfo)
            throws WTException

This method executes a query to filter the Statement list.

Supported API: false

Specified by:

execute in interface StatementFilter

Parameters:

a_fromArray - Array of Vectors containing From instances.

a_connection - Connection to use for the query.

a_attributeMapInfo - Attribute map to use for building the filter statement

Returns:

int

Throws:

WTException

getExistsSubSelect

protected String getExistsSubSelect(Vector a_tables,
                                    Vector a_aliases,
                                    int a_sqlIndex)
                             throws PersistenceException

Throws:

PersistenceException

getWhereClause

private WhereClause getWhereClause()
                            throws PersistenceException

Throws:

PersistenceException

getExists

private String getExists(Vector a_tables,
                         Vector a_aliases,
                         int a_sqlIndex)
                  throws PersistenceException

Throws:

PersistenceException