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## com.sas.metadata.remote
Interface KeyAssociation

All Superinterfaces:
  CMetadata, MdObjectBase, MdObjectBaseUtil, MdObjectBaseXML, java.rmi.Remote, Root, SecondaryType

    public interface KeyAssociation

extends SecondaryType

Represents the relationship between two columns in a foreign key, unique key relationship. For example, if table a has a unique key of columns a1 and a2, and table b has a foreign key, of columns b1 and b2, into table a, there is a keyassociation between the columns that relate to each other, for ex. b1 to a1 and b2 to a2.

Attributes of KeyAssociation are:

Associations of KeyAssociation are:

- `ForeignKeyColumn`
- `UniqueKeyColumn`
- `OwningForeignKey`

## Usage

To create an instance of this KeyAssociation, use the `factory` create methods.
Example: create a KeyAssociation with name "KeyAssociation_Object", in repository "AAAAAAAA".

     // create a store to contain your objects for this change. If you do not have an existing object
     // or store to use.  You may obtain the store from another object by using Object.getObjectStore().
     MdFactory factory; //where "factory" is a valid MdFactory instance
     MdObjectStore objectStore = factory.createObjectStore();
     KeyAssociation myObject = (KeyAssociation) factory.createComplexMetadataObject(objectStore, "KeyAssociation_Object", MetadataObjects.KEYASSOCIATION, "AAAAAAAA");
     myObject.updateMetadataAll();  // Write object to server
     objectStore.dispose();  // dispose of the object store if it is no longer needed

## Behavior

- Attributes and associations for this object can be retrieved by using the methods in `MdOMIUtil`.
- When changes are made to the object, either by setting an attribute or adding objects to a particular association, they can be persisted to the metadata server with the `updateMetadataAll` method.
- If an object needs to be deleted, the `delete` method can be used. This will flag the object as being deleted on the client, and will require an update call to persist the change to the server.

## Dependencies

This class depends on objects being contained in an MdObjectStore. Object stores should be disposed of when they are no longer needed as this will help clean up memory. Disposing an object store will dispose of all objects contained within that store.

Since:
  9.0

Field Summary
`static java.lang.String` | `ASSOCIATION_FOREIGNKEYCOLUMN_NAME` Constant used for the name of the ForeignKeyColumn association.
`static java.lang.String` | `ASSOCIATION_OWNINGFOREIGNKEY_NAME` Constant used for the name of the OwningForeignKey association.
`static java.lang.String` | `ASSOCIATION_UNIQUEKEYCOLUMN_NAME` Constant used for the name of the UniqueKeyColumn association.

Fields inherited from interface com.sas.metadata.remote.Root
`ASSOCIATION_ACCESSCONTROLS_NAME, ASSOCIATION_CHANGES_NAME, ASSOCIATION_CUSTOMASSOCIATIONS_NAME, ASSOCIATION_DOCUMENTS_NAME, ASSOCIATION_EXTENSIONS_NAME, ASSOCIATION_EXTERNALIDENTITIES_NAME, ASSOCIATION_GROUPS_NAME, ASSOCIATION_IMPLEMENTORS_NAME, ASSOCIATION_KEYWORDS_NAME, ASSOCIATION_LOCALIZEDATTRIBUTES_NAME, ASSOCIATION_NOTES_NAME, ASSOCIATION_PRIMARYPROPERTYGROUP_NAME, ASSOCIATION_PROMPTS_NAME, ASSOCIATION_PROPERTIES_NAME, ASSOCIATION_PROPERTYSETS_NAME, ASSOCIATION_REFERENCEDOBJECTS_NAME, ASSOCIATION_RESPONSIBLEPARTIES_NAME, ASSOCIATION_SOURCETRANSFORMATIONS_NAME, ASSOCIATION_SPECSOURCETRANSFORMATIONS_NAME, ASSOCIATION_SPECTARGETTRANSFORMATIONS_NAME, ASSOCIATION_TARGETTRANSFORMATIONS_NAME, ASSOCIATION_TIMESTAMPS_NAME, ASSOCIATION_TREES_NAME, ASSOCIATION_TSOBJECTNAMESPACE_NAME, ASSOCIATION_USEDBYPROTOTYPES_NAME, ASSOCIATION_USINGPROTOTYPE_NAME, ASSOCIATION_VARIABLES_NAME, ATTRIBUTE_CHANGESTATE_NAME, ATTRIBUTE_LOCKEDBY_NAME, ATTRIBUTE_USAGEVERSION_NAME`

Fields inherited from interface com.sas.metadata.remote.MdObjectBase
`ATTRIBUTE_DESC_NAME, ATTRIBUTE_ID_NAME, ATTRIBUTE_METADATACREATED_NAME, ATTRIBUTE_METADATAUPDATED_NAME, ATTRIBUTE_NAME_NAME`

Method Summary
`Column` | `getForeignKeyColumn()` Gets the `Column` for `ForeignKeyColumn`
`AssociationList` | `getForeignKeyColumns()` Gets the AssociationList of `ForeignKeyColumns`
`AssociationList` | `getForeignKeyColumns(boolean fGoToServer)` Gets the Associationlist of `ForeignKeyColumns`
`ForeignKey` | `getOwningForeignKey()` Gets the `ForeignKey` for `OwningForeignKey`
`AssociationList` | `getOwningForeignKeys()` Gets the Association list of `OwningForeignKeys`
`AssociationList` | `getOwningForeignKeys(boolean fGoToServer)` Gets the Associationlist of `OwningForeignKeys`
`Column` | `getUniqueKeyColumn()` Gets the `Column` for `UniqueKeyColumn`
`AssociationList` | `getUniqueKeyColumns()` Gets the AssociationList of `UniqueKeyColumns`
`AssociationList` | `getUniqueKeyColumns(boolean fGoToServer)` Gets the Associationlist of `UniqueKeyColumns`
`void` | `initializePredObjects()` (S) Adds the Associated objects to the predObjects which are: `ForeignKeyColumn` `UniqueKeyColumn`
`void` | `initializeRequiredObjects()` (S) This initializes the Required Objects(Roles) which are: `OwningForeignKey`
`void` | `setForeignKeyColumn(Column inObject)` Sets the `ForeignKeyColumns` list 0th element to be `inObject`.
`void` | `setForeignKeyColumns(AssociationList list)` Sets the `ForeignKeyColumns` list to be `list`.
`void` | `setForeignKeyColumns(AssociationList list, int state)` Sets the `ForeignKeyColumns` list to be `list`.
`void` | `setOwningForeignKey(ForeignKey inObject)` Sets the `OwningForeignKeys` list 0th element to be `inObject`.
`void` | `setOwningForeignKeys(AssociationList list)` Sets the `OwningForeignKeys` list to be `list`.
`void` | `setOwningForeignKeys(AssociationList list, int state)` Sets the `OwningForeignKeys` list to be `list`.
`void` | `setUniqueKeyColumn(Column inObject)` Sets the `UniqueKeyColumns` list 0th element to be `inObject`.
`void` | `setUniqueKeyColumns(AssociationList list)` Sets the `UniqueKeyColumns` list to be `list`.
`void` | `setUniqueKeyColumns(AssociationList list, int state)` Sets the `UniqueKeyColumns` list to be `list`.

Methods inherited from interface com.sas.metadata.remote.Root
`getAccessControls, getAccessControls, getChanges, getChanges, getChangeState, getChangeStateMaxLength, getChangeStateState, getCustomAssociations, getCustomAssociations, getDocuments, getDocuments, getExtensions, getExtensions, getExternalIdentities, getExternalIdentities, getGroups, getGroups, getImplementors, getImplementors, getKeywords, getKeywords, getLocalizedAttributes, getLocalizedAttributes, getLockedBy, getLockedByMaxLength, getLockedByState, getNotes, getNotes, getPrimaryPropertyGroup, getPrimaryPropertyGroups, getPrimaryPropertyGroups, getPrompts, getPrompts, getProperties, getProperties, getPropertySets, getPropertySets, getReferencedObjects, getReferencedObjects, getResponsibleParties, getResponsibleParties, getSourceTransformations, getSourceTransformations, getSpecSourceTransformations, getSpecSourceTransformations, getSpecTargetTransformations, getSpecTargetTransformations, getTargetTransformations, getTargetTransformations, getTimestamps, getTimestamps, getTrees, getTrees, getTSObjectNamespace, getTSObjectNamespaces, getTSObjectNamespaces, getUsageVersion, getUsageVersionState, getUsedByPrototypes, getUsedByPrototypes, getUsingPrototype, getUsingPrototypes, getUsingPrototypes, getVariables, getVariables, setAccessControls, setAccessControls, setChanges, setChanges, setChangeState, setChangeState, setChangeStateState, setCustomAssociations, setCustomAssociations, setDocuments, setDocuments, setExtensions, setExtensions, setExternalIdentities, setExternalIdentities, setGroups, setGroups, setImplementors, setImplementors, setKeywords, setKeywords, setLocalizedAttributes, setLocalizedAttributes, setLockedBy, setLockedBy, setLockedByState, setNotes, setNotes, setPrimaryPropertyGroup, setPrimaryPropertyGroups, setPrimaryPropertyGroups, setPrompts, setPrompts, setProperties, setProperties, setPropertySets, setPropertySets, setReferencedObjects, setReferencedObjects, setResponsibleParties, setResponsibleParties, setSourceTransformations, setSourceTransformations, setSpecSourceTransformations, setSpecSourceTransformations, setSpecTargetTransformations, setSpecTargetTransformations, setTargetTransformations, setTargetTransformations, setTimestamps, setTimestamps, setTrees, setTrees, setTSObjectNamespace, setTSObjectNamespaces, setTSObjectNamespaces, setUsageVersion, setUsageVersion, setUsageVersion, setUsageVersion, setUsageVersionState, setUsedByPrototypes, setUsedByPrototypes, setUsingPrototype, setUsingPrototypes, setUsingPrototypes, setVariables, setVariables`

Methods inherited from interface com.sas.metadata.remote.MdObjectBaseXML
`closeUpdateMetadataXML, createEmptyXML, createObjectRefreshXML, createObjectXML, createObjectXML, createUpdateAssociationXML, createUpdateAssociationXML, createUpdateSimpleXML, doCreateUpdateXML, getUpdateSimpleSubstring, updateMetadataAll`

Methods inherited from interface com.sas.metadata.remote.MdObjectBaseUtil
`addMdObjectListener, delete, dispose, fireMdObjectModified, getAssociatedObjects, getAssociatedObjects, getAssociatedObjects, getAssociationNames, getAssocs, getAssocsWA, getAttributeNames, getAttrs, getAttrsStates, getChangeManagementState, getChgMgtExternalIdentityImportType, getClientSideOnlyObject, getMdObjectAssociation, getPopulatedAssocs, getUpdatedAttrs, getViewList, isCheckedOut, isLocked, objectModified, removeMdObjectListener, setAttrs, setChangeManagementTargetRepository, setChgMgtExternalIdentityImportType, setClientSideOnlyObject, setMdObjectAssociation, touch, updateAssnsIds`

Methods inherited from interface com.sas.metadata.remote.MdObjectBase
`addElementToChangeList, clearChangeList, getChangeList, getCMetadataType, getDesc, getDescMaxLength, getDescState, getFQID, getId, getIdState, getMetadataCreated, getMetadataCreatedState, getMetadataUpdated, getMetadataUpdatedState, getName, getNameMaxLength, getNameState, getObjectStore, getPredAssociations, getRepositoryID, getRequiredAssociations, getState, isAssociationRequired, isNewObject, isPredAssociation, removeElementFromChangeList, resetObject, resetState, resetStates, setCMetadataType, setDesc, setDesc, setDescState, setFQID, setFQID, setId, setId, setIdState, setMetadataCreated, setMetadataCreated, setMetadataCreatedState, setMetadataUpdated, setMetadataUpdated, setMetadataUpdatedState, setName, setName, setNameState, setObjectStore, setState`

Field Detail

### ASSOCIATION_FOREIGNKEYCOLUMN_NAME

    static final java.lang.String ASSOCIATION_FOREIGNKEYCOLUMN_NAME

  Constant used for the name of the ForeignKeyColumn association.

  ForeignKeyColumn: The columns that comprise a foreign key. Through this object, the foreign key columns are associated with the columns that comprise a particular unique key.

  See Also:
    Constant Field Values

### ASSOCIATION_UNIQUEKEYCOLUMN_NAME

    static final java.lang.String ASSOCIATION_UNIQUEKEYCOLUMN_NAME

  Constant used for the name of the UniqueKeyColumn association.

  UniqueKeyColumn: The column that is part of a unique key that is associated through this object with a column that is part of a foreign key.

  See Also:
    Constant Field Values

### ASSOCIATION_OWNINGFOREIGNKEY_NAME

    static final java.lang.String ASSOCIATION_OWNINGFOREIGNKEY_NAME

  Constant used for the name of the OwningForeignKey association.

  OwningForeignKey: The foreign key associated with this object.

  See Also:
    Constant Field Values

Method Detail

### initializeRequiredObjects

    void initializeRequiredObjects()
                                   throws java.rmi.RemoteException

  (S) This initializes the Required Objects(Roles) which are:
  `OwningForeignKey`

  Specified by:
    `initializeRequiredObjects` in interface `MdObjectBaseUtil`
  Specified by:
    `initializeRequiredObjects` in interface `Root`
  Specified by:
    `initializeRequiredObjects` in interface `SecondaryType`
  Throws:
    `java.rmi.RemoteException` - If error connecting/communicating to/with remote object.

### initializePredObjects

    void initializePredObjects()
                               throws java.rmi.RemoteException

  (S) Adds the Associated objects to the predObjects which are:
  `ForeignKeyColumn`
  `UniqueKeyColumn`

  Specified by:
    `initializePredObjects` in interface `MdObjectBase`
  Specified by:
    `initializePredObjects` in interface `Root`
  Specified by:
    `initializePredObjects` in interface `SecondaryType`
  Throws:
    `java.rmi.RemoteException` - If error connecting/communicating to/with remote object.

### getForeignKeyColumns

    AssociationList getForeignKeyColumns()
                                         throws java.rmi.RemoteException,
                                                MdException

  Gets the AssociationList of `ForeignKeyColumns`

  Returns:
    Returns the AssociationList of `ForeignKeyColumns` which can be of type:
    Column
    ColumnRange
  Throws:
    `java.rmi.RemoteException` - If error connecting/communicating to/with remote object.
    `MdException`

### getForeignKeyColumn

    Column getForeignKeyColumn()
                               throws java.rmi.RemoteException,
                                      MdException

  Gets the `Column` for `ForeignKeyColumn`

  Returns:
    The `Column` ( `null` if not set) of `ForeignKeyColumn`which can be of type:
    Column
    ColumnRange
  Throws:
    `java.rmi.RemoteException` - If error connecting/communicating to/with remote object.
    `MdException` - If error getting/setting part of the object.

### getUniqueKeyColumns

    AssociationList getUniqueKeyColumns()
                                        throws java.rmi.RemoteException,
                                               MdException

  Gets the AssociationList of `UniqueKeyColumns`

  Returns:
    Returns the AssociationList of `UniqueKeyColumns` which can be of type:
    Column
    ColumnRange
  Throws:
    `java.rmi.RemoteException` - If error connecting/communicating to/with remote object.
    `MdException`

### getUniqueKeyColumn

    Column getUniqueKeyColumn()
                              throws java.rmi.RemoteException,
                                     MdException

  Gets the `Column` for `UniqueKeyColumn`

  Returns:
    The `Column` ( `null` if not set) of `UniqueKeyColumn`which can be of type:
    Column
    ColumnRange
  Throws:
    `java.rmi.RemoteException` - If error connecting/communicating to/with remote object.
    `MdException` - If error getting/setting part of the object.

### getOwningForeignKeys

    AssociationList getOwningForeignKeys()
                                         throws java.rmi.RemoteException,
                                                MdException

  Gets the Association list of `OwningForeignKeys`

  Returns:
    The AssociationList of `OwningForeignKeys` which can be of type:
    ForeignKey
  Throws:
    `java.rmi.RemoteException` - If error connecting/communicating to/with remote object.
    `MdException` - If error getting/setting part of the object.

### getOwningForeignKey

    ForeignKey getOwningForeignKey()
                                   throws java.rmi.RemoteException,
                                          MdException

  Gets the `ForeignKey` for `OwningForeignKey`

  Returns:
    The `ForeignKey` ( `null` if not set ) of `OwningForeignKey` which can be of type:
    ForeignKey
  Throws:
    `java.rmi.RemoteException` - If error connecting/communicating to/with remote object.
    `MdException` - If error getting/setting part of the object.

### getForeignKeyColumns

    AssociationList getForeignKeyColumns(boolean fGoToServer)
                                         throws java.rmi.RemoteException,
                                                MdException

  Gets the Associationlist of `ForeignKeyColumns`

  Parameters:
    `fGoToServer` - boolean Get the value from the server.
  Returns:
    Returns the AssociationList of `ForeignKeyColumns` which can be of type:
    Column
    ColumnRange
  Throws:
    `java.rmi.RemoteException` - If error connecting/communicating to/with remote object.
    `MdException` - If error getting/setting part of the object.

### getUniqueKeyColumns

    AssociationList getUniqueKeyColumns(boolean fGoToServer)
                                        throws java.rmi.RemoteException,
                                               MdException

  Gets the Associationlist of `UniqueKeyColumns`

  Parameters:
    `fGoToServer` - boolean Get the value from the server.
  Returns:
    Returns the AssociationList of `UniqueKeyColumns` which can be of type:
    Column
    ColumnRange
  Throws:
    `java.rmi.RemoteException` - If error connecting/communicating to/with remote object.
    `MdException` - If error getting/setting part of the object.

### getOwningForeignKeys

    AssociationList getOwningForeignKeys(boolean fGoToServer)
                                         throws java.rmi.RemoteException,
                                                MdException

  Gets the Associationlist of `OwningForeignKeys`

  Parameters:
    `fGoToServer` - boolean Get the value from the server.
  Returns:
    Returns the `OwningForeignKeys` which can be of type:
    ForeignKey
  Throws:
    `java.rmi.RemoteException` - If error connecting/communicating to/with remote object.
    `MdException` - If error getting/setting part of the object.

### setForeignKeyColumns

    void setForeignKeyColumns(AssociationList list)
                              throws java.rmi.RemoteException

  Sets the `ForeignKeyColumns` list to be `list`. Object of which can be of type:
  Column
  ColumnRange

  Parameters:
    `list` - AssociationList
  Throws:
    `java.rmi.RemoteException` - If error communicating with remote object.

### setForeignKeyColumns

    void setForeignKeyColumns(AssociationList list,
                              int state)
                              throws java.rmi.RemoteException

  Sets the `ForeignKeyColumns` list to be `list`. Object of which can be of type:
  Column
  ColumnRange

  Parameters:
    `list` - AssociationList
    `state` - int
  Throws:
    `java.rmi.RemoteException` - If error communicating with remote object.

### setForeignKeyColumn

    void setForeignKeyColumn(Column inObject)
                             throws java.rmi.RemoteException

  Sets the `ForeignKeyColumns` list 0th element to be `inObject`.

  Parameters:
    `inObject` - Column
  Throws:
    `java.rmi.RemoteException` - If error communicating with remote object.

### setUniqueKeyColumns

    void setUniqueKeyColumns(AssociationList list)
                             throws java.rmi.RemoteException

  Sets the `UniqueKeyColumns` list to be `list`. Object of which can be of type:
  Column
  ColumnRange

  Parameters:
    `list` - AssociationList
  Throws:
    `java.rmi.RemoteException` - If error communicating with remote object.

### setUniqueKeyColumns

    void setUniqueKeyColumns(AssociationList list,
                             int state)
                             throws java.rmi.RemoteException

  Sets the `UniqueKeyColumns` list to be `list`. Object of which can be of type:
  Column
  ColumnRange

  Parameters:
    `list` - AssociationList
    `state` - int
  Throws:
    `java.rmi.RemoteException` - If error communicating with remote object.

### setUniqueKeyColumn

    void setUniqueKeyColumn(Column inObject)
                            throws java.rmi.RemoteException

  Sets the `UniqueKeyColumns` list 0th element to be `inObject`.

  Parameters:
    `inObject` - Column
  Throws:
    `java.rmi.RemoteException` - If error communicating with remote object.

### setOwningForeignKeys

    void setOwningForeignKeys(AssociationList list)
                              throws java.rmi.RemoteException

  Sets the `OwningForeignKeys` list to be `list`. Objects of which can be of type:
  ForeignKey

  Parameters:
    `list` - AssociationList
  Throws:
    `java.rmi.RemoteException` - If error communicating with remote object.

### setOwningForeignKeys

    void setOwningForeignKeys(AssociationList list,
                              int state)
                              throws java.rmi.RemoteException

  Sets the `OwningForeignKeys` list to be `list`. Objects of which can be of type:
  ForeignKey

  Parameters:
    `list` - AssociationList
    `state` - int
  Throws:
    `java.rmi.RemoteException` - If error communicating with remote object.

### setOwningForeignKey

    void setOwningForeignKey(ForeignKey inObject)
                             throws java.rmi.RemoteException

  Sets the `OwningForeignKeys` list 0th element to be `inObject`.

  Parameters:
    `inObject` - ForeignKey
  Throws:
    `java.rmi.RemoteException` - If error communicating with remote object.

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