com.healthmarketscience.jackcess.impl

Class RelationshipImpl

java.lang.Object

com.healthmarketscience.jackcess.impl.RelationshipImpl

All Implemented Interfaces:

Relationship

public class RelationshipImpl
extends java.lang.Object
implements Relationship

Information about a relationship between two tables in the database.

Field Summary

Fields

Modifier and Type	Field and Description
private int	_flags the various flags describing this relationship
private java.util.List<Column>	_fromColumns the columns in the "to" table in this relationship (aligned w/ toColumns list)
private Table	_fromTable the "from" table in this relationship
private java.lang.String	_name the name of this relationship
private java.util.List<Column>	_toColumns the columns in the "from" table in this relationship (aligned w/ toColumns list)
private Table	_toTable the "to" table in this relationship
private static int	CASCADE_DELETES_FLAG flag indicating cascading deletes (requires referential integrity)
private static int	CASCADE_UPDATES_FLAG flag indicating cascading updates (requires referential integrity)
private static int	LEFT_OUTER_JOIN_FLAG flag indicating left outer join
private static int	NO_REFERENTIAL_INTEGRITY_FLAG flag indicating no referential integrity
private static int	ONE_TO_ONE_FLAG flag indicating one-to-one relationship
private static int	RIGHT_OUTER_JOIN_FLAG flag indicating right outer join

Constructor Summary

Constructors

Constructor and Description
RelationshipImpl(java.lang.String name, Table fromTable, Table toTable, int flags, int numCols)

Method Summary

Modifier and Type	Method and Description
boolean	cascadeDeletes()
boolean	cascadeUpdates()
int	getFlags()
java.util.List<Column>	getFromColumns()
Table	getFromTable()
java.lang.String	getName()
java.util.List<Column>	getToColumns()
Table	getToTable()
private boolean	hasFlag(int flagMask)
boolean	hasReferentialIntegrity()
boolean	isLeftOuterJoin()
boolean	isOneToOne()
boolean	isRightOuterJoin()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

ONE_TO_ONE_FLAG

private static final int ONE_TO_ONE_FLAG

flag indicating one-to-one relationship

See Also:

Constant Field Values

NO_REFERENTIAL_INTEGRITY_FLAG

private static final int NO_REFERENTIAL_INTEGRITY_FLAG

flag indicating no referential integrity

See Also:

Constant Field Values

CASCADE_UPDATES_FLAG

private static final int CASCADE_UPDATES_FLAG

flag indicating cascading updates (requires referential integrity)

See Also:

Constant Field Values

CASCADE_DELETES_FLAG

private static final int CASCADE_DELETES_FLAG

flag indicating cascading deletes (requires referential integrity)

See Also:

Constant Field Values

LEFT_OUTER_JOIN_FLAG

private static final int LEFT_OUTER_JOIN_FLAG

flag indicating left outer join

See Also:

Constant Field Values

RIGHT_OUTER_JOIN_FLAG

private static final int RIGHT_OUTER_JOIN_FLAG

flag indicating right outer join

See Also:

Constant Field Values

_name

private final java.lang.String _name

the name of this relationship

_fromTable

private final Table _fromTable

the "from" table in this relationship

_toTable

private final Table _toTable

the "to" table in this relationship

_toColumns

private final java.util.List<Column> _toColumns

the columns in the "from" table in this relationship (aligned w/ toColumns list)

_fromColumns

private final java.util.List<Column> _fromColumns

the columns in the "to" table in this relationship (aligned w/ toColumns list)

_flags

private final int _flags

the various flags describing this relationship

Constructor Detail

RelationshipImpl

public RelationshipImpl(java.lang.String name,
                        Table fromTable,
                        Table toTable,
                        int flags,
                        int numCols)

Method Detail

getName

public java.lang.String getName()

Specified by:

getName in interface Relationship

getFromTable

public Table getFromTable()

Specified by:

getFromTable in interface Relationship

getFromColumns

public java.util.List<Column> getFromColumns()

Specified by:

getFromColumns in interface Relationship

getToTable

public Table getToTable()

Specified by:

getToTable in interface Relationship

getToColumns

public java.util.List<Column> getToColumns()

Specified by:

getToColumns in interface Relationship

getFlags

public int getFlags()

isOneToOne

public boolean isOneToOne()

Specified by:

isOneToOne in interface Relationship

hasReferentialIntegrity

public boolean hasReferentialIntegrity()

Specified by:

hasReferentialIntegrity in interface Relationship

cascadeUpdates

public boolean cascadeUpdates()

Specified by:

cascadeUpdates in interface Relationship

cascadeDeletes

public boolean cascadeDeletes()

Specified by:

cascadeDeletes in interface Relationship

isLeftOuterJoin

public boolean isLeftOuterJoin()

Specified by:

isLeftOuterJoin in interface Relationship

isRightOuterJoin

public boolean isRightOuterJoin()

Specified by:

isRightOuterJoin in interface Relationship

hasFlag

private boolean hasFlag(int flagMask)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object