/*
 * @(#)FieldSetValue.java
 *
 * Copyright 2011 Instituto Superior Tecnico
 * Founding Authors: Paulo Abrantes
 * 
 *      https://fenix-ashes.ist.utl.pt/
 * 
 *   This file is part of the Meta-Workflow Module.
 *
 *   The Meta-Workflow Module is free software: you can
 *   redistribute it and/or modify it under the terms of the GNU Lesser General
 *   Public License as published by the Free Software Foundation, either version 
 *   3 of the License, or (at your option) any later version.
 *
 *   The Meta-Workflow Module is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public License
 *   along with the Meta-Workflow Module. If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package module.metaWorkflow.domain;

import java.util.HashSet;
import java.util.Set;
import java.util.TreeSet;

import jvstm.cps.ConsistencyPredicate;
import module.metaWorkflow.domain.FieldValue.FieldValueBean;

/**
 * 
 * @author João Neves
 * @author Anil Kassamali
 * 
 */
public class FieldSetValue extends FieldSetValue_Base {

    protected FieldSetValue() {
        super();
    }

    public FieldSetValue(MetaFieldSet metaField) {
        this();
        setMetaField(metaField);
    }

    public FieldSetValue(WorkflowMetaProcess metaProcess, MetaFieldSet metaField) {
        this(metaField);
        setProcess(metaProcess);
    }

    public FieldSetValue(FieldSetValue parentFieldSet, MetaFieldSet metaField) {
        this(metaField);
        setParentFieldSet(parentFieldSet);
    }

    @Override
    @ConsistencyPredicate
    public final boolean checkHasParent() {
        return super.checkHasParent() || hasProcess();
    }

    public Set<FieldValue> getOrderedChildFields() {
        Set<FieldValue> orderedFields = new TreeSet<FieldValue>(FieldValue.COMPARATOR_BY_FIELD_ORDER);
        orderedFields.addAll(getChildFieldValues());
        return orderedFields;
    }

    public FieldValue findChildField(String OID) {
        for (FieldValue childField : getChildFieldValues()) {
            if (childField.getExternalId().equals(OID)) {
                return childField;
            }
            if (childField instanceof FieldSetValue) {
                FieldValue possibleMatchField = ((FieldSetValue) childField).findChildField(OID);
                if (possibleMatchField != null) {
                    return possibleMatchField;
                }
            }
        }
        return null;
    }

    @Override
    public Set<FieldValue> getAllFields() {
        Set<FieldValue> fieldValues = new HashSet<FieldValue>();
        for (FieldValue child : getChildFieldValues()) {
            fieldValues.addAll(child.getAllFields());
        }
        fieldValues.add(this);
        return fieldValues;
    }

    @Override
    public WorkflowMetaProcess getProcess() {
        if (!hasParentFieldSet()) {
            return super.getProcess();
        }

        return getParentFieldSet().getProcess();
    }

    @Override
    public boolean isDefined() {
        for (FieldValue child : getChildFieldValues()) {
            if (!child.isDefined()) {
                return false;
            }
        }
        return true;
    }

    @Override
    public boolean isFieldSet() {
        return true;
    }

    @Override
    public FieldValueBean createFieldValueBean() {
        return null;
    }

    @Override
    public void writeValueFromBean(FieldValueBean bean) {
    }
}