FieldInstanceNodeItemImpl.java
/*
* Portions of this software was developed by employees of the National Institute
* of Standards and Technology (NIST), an agency of the Federal Government and is
* being made available as a public service. Pursuant to title 17 United States
* Code Section 105, works of NIST employees are not subject to copyright
* protection in the United States. This software may be subject to foreign
* copyright. Permission in the United States and in foreign countries, to the
* extent that NIST may hold copyright, to use, copy, modify, create derivative
* works, and distribute this software and its documentation without fee is hereby
* granted on a non-exclusive basis, provided that this notice and disclaimer
* of warranty appears in all copies.
*
* THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
* EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
* THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
* INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
* SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT
* SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
* INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
* OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
* CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
* PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
* OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
*/
package gov.nist.secauto.metaschema.core.metapath.item.node;
import gov.nist.secauto.metaschema.core.metapath.item.atomic.IAnyAtomicItem;
import gov.nist.secauto.metaschema.core.model.IFieldDefinition;
import gov.nist.secauto.metaschema.core.model.IFieldInstance;
import gov.nist.secauto.metaschema.core.util.ObjectUtils;
import edu.umd.cs.findbugs.annotations.NonNull;
import nl.talsmasoftware.lazy4j.Lazy;
/**
* A {@link INodeItem} supported by a {@link IFieldInstance}, that may have an
* associated value.
*/
class FieldInstanceNodeItemImpl
extends AbstractModelInstanceNodeItem<
IFieldDefinition,
IFieldInstance>
implements IFieldNodeItem,
IFeatureNullableAtomicValuedItem,
IFeatureFlagContainerItem {
private final int position;
@NonNull
private final Lazy<FlagContainer> model;
@NonNull
private final Object value;
/**
* Used to cache this object as an atomic item.
*/
@NonNull
private final Lazy<IAnyAtomicItem> atomicItem;
public FieldInstanceNodeItemImpl(
@NonNull IFieldInstance instance,
@NonNull IAssemblyNodeItem parent,
int position,
@NonNull Object value,
@NonNull INodeItemGenerator generator) {
super(instance, parent);
this.model = ObjectUtils.notNull(Lazy.lazy(generator.newDataModelSupplier(this)));
this.position = position;
this.value = value;
this.atomicItem = ObjectUtils.notNull(Lazy.lazy(this::newAtomicItem));
}
@SuppressWarnings("null")
@Override
public FlagContainer getModel() {
return model.get();
}
@Override
public int getPosition() {
return position;
}
@Override
public Object getValue() {
return value;
}
@Override
public Object getAtomicValue() {
Object value = getValue();
return getDefinition().getFieldValue(value);
}
@Override
public IAnyAtomicItem toAtomicItem() {
return atomicItem.get();
}
}