Examples of org.eclipse.persistence.internal.queries.MappedKeyMapContainerPolicy

Package org.eclipse.persistence.internal.queries

Examples of org.eclipse.persistence.internal.queries.MappedKeyMapContainerPolicy

org.eclipse.persistence.internal.queries.MappedKeyMapContainerPolicy
A MappedKeyMapContainerPolicy should be used for mappings to implementers of Map. It differs from MapContainerPolicy by allowing the MapKey to be an otherwise unmapped column in a table rather than a mapped element of the value in the map. This container policy holds a reference to a KeyMapping that will be used to construct the key from the database and a reference to its owner which creates the value for the map. The key of the map can be any implementer of MapKeyMapping and the data representing the key can either be stored in the target table of the value mapping, or in a collection table that associates the source to the target. The data can either be everything necessary to compose the key, or foreign keys that allow the key to be retrieved @see MapContainerPolicy @see MapKeyMapping @see MapComponentMapping @author tware

    private boolean isSchemaInstanceIncluded;
    private boolean isWriteOnly;
    private boolean reuseContainer;


    public XMLAnyAttributeMapping() {
        this.containerPolicy = new MappedKeyMapContainerPolicy(HashMap.class);
        this.containerPolicy.setKeyMapping(new XMLDirectMapping());
        this.isNamespaceDeclarationIncluded = true;
        this.isSchemaInstanceIncluded = true;
    }

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     * Indicates the name of the Map class to be used.
     *
     * @param concreteMapClassName
     */
    public void useMapClassName(String concreteMapClassName) {
        MappedKeyMapContainerPolicy policy = new MappedKeyMapContainerPolicy(concreteMapClassName);
        policy.setKeyMapping(new XMLDirectMapping());
        this.setContainerPolicy(policy);
    }

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        } else {
            containerClass = java.util.Hashtable.class;
            mapping.dontUseIndirection();
        }


        MappedKeyMapContainerPolicy policy = new MappedKeyMapContainerPolicy(containerClass);
        policy.setKeyMapping(keyMapping);
        policy.setValueMapping((MapComponentMapping) mapping);
        mapping.setContainerPolicy(policy);
    }

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    private boolean isSchemaInstanceIncluded;
    private boolean isWriteOnly;
    private boolean reuseContainer;


    public XMLAnyAttributeMapping() {
        this.containerPolicy = new MappedKeyMapContainerPolicy(HashMap.class);
        this.containerPolicy.setKeyMapping(new XMLDirectMapping());
        this.isNamespaceDeclarationIncluded = true;
        this.isSchemaInstanceIncluded = true;
    }

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     * Indicates the name of the Map class to be used.
     *
     * @param concreteMapClassName
     */
    public void useMapClassName(String concreteMapClassName) {
        MappedKeyMapContainerPolicy policy = new MappedKeyMapContainerPolicy(concreteMapClassName);
        policy.setKeyMapping(new XMLDirectMapping());
        this.setContainerPolicy(policy);
    }

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    private boolean isSchemaInstanceIncluded;
    private boolean isWriteOnly;
    private boolean reuseContainer;


    public XMLAnyAttributeMapping() {
        this.containerPolicy = new MappedKeyMapContainerPolicy(HashMap.class);
        this.containerPolicy.setKeyMapping(new XMLDirectMapping());
        this.isNamespaceDeclarationIncluded = true;
        this.isSchemaInstanceIncluded = true;
    }

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     * Indicates the name of the Map class to be used.
     *
     * @param concreteMapClassName
     */
    public void useMapClassName(String concreteMapClassName) {
        MappedKeyMapContainerPolicy policy = new MappedKeyMapContainerPolicy(concreteMapClassName);
        policy.setKeyMapping(new XMLDirectMapping());
        this.setContainerPolicy(policy);
    }

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                } 
                
                // If map key mapping, get the key or value mapping that will 
                // receive the converter.
                if (mapping.isMapKeyMapping()) {
                    MappedKeyMapContainerPolicy policy = (MappedKeyMapContainerPolicy) mapping.getContainerPolicy();
                    mappingToApplyConvert = (DatabaseMapping) ((isForMapKey) ? policy.getKeyMapping() : policy.getValueMapping());
                } else {
                    mappingToApplyConvert = mapping;
                }
                
                // If the mapping is an aggregate object mapping, validate the

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            }
        } else {
            containerClass = java.util.Hashtable.class;
        }


        MappedKeyMapContainerPolicy policy = new MappedKeyMapContainerPolicy(containerClass);
        policy.setKeyMapping(keyMapping);
        policy.setValueMapping((MapComponentMapping) mapping);
        mapping.setContainerPolicy(policy);
    }

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  @Override
  public void visit(KeyExpression expression) {
    IdentificationVariable identificationVariable = (IdentificationVariable) expression.getExpression();
    Declaration declaration = queryContext.findDeclaration(identificationVariable.getVariableName());
    DatabaseMapping mapping = declaration.getMapping();
    MappedKeyMapContainerPolicy mapContainerPolicy = (MappedKeyMapContainerPolicy) mapping.getContainerPolicy();
    type = (Class<?>) mapContainerPolicy.getKeyType();
  }

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