CreateRelationshipCommand

java.lang.Object
- com.sodius.mdw.metamodel.integrity.io.command.ExecutableCommandWrapper
- - com.sodius.mdw.metamodel.integrity.io.command.CreateRelationshipCommand

All Implemented Interfaces:

ExecutableCommand
```
public class CreateRelationshipCommand
extends ExecutableCommandWrapper
implements ExecutableCommand
```
Creates new relationships between Items in the Integrity database.

Constraints:
- The FieldValue must be owned by its source Item.
- The FieldValue must reference a Field.
- All Items (either source or targets of the relation) must already exist in the database.
Notes:
- You might want to group the execution of multiple updates using a CompoundCommand.
Usage:
```
 new CreateRelationshipCommand(myValue, myTargetItem).execute();
 
```
See Also:

CompoundCommand

Constructor Summary

Constructors
Constructor	Description
`CreateRelationshipCommand(FieldValue fieldValue, Element targetElement)`	Instantiates a command to add a relationship in the database.
`CreateRelationshipCommand(FieldValue fieldValue, Collection<? extends Element> targetElements)`	Instantiates a command to add a relationship in the database.

Method Summary
- Methods inherited from class com.sodius.mdw.metamodel.integrity.io.command.ExecutableCommandWrapper
  execute
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from interface com.sodius.mdw.metamodel.integrity.io.command.ExecutableCommand
  execute

- Constructor Detail
  - CreateRelationshipCommand
```
public CreateRelationshipCommand(FieldValue fieldValue,
                                 Element targetElement)
```
    Instantiates a command to add a relationship in the database.
    
    Parameters:
    
    fieldValue - the field value which references a relation to create.
    
    targetElement - the target element of the relationship.
  - CreateRelationshipCommand
```
public CreateRelationshipCommand(FieldValue fieldValue,
                                 Collection<? extends Element> targetElements)
```
    Instantiates a command to add a relationship in the database.
    
    Parameters:
    
    fieldValue - the field value which references a relation to create.
    
    targetElements - the target elements of the relationship.