ConjunctionExpressionImpl.java

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 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it).
 * 
 * This program is free software: you can redistribute it and/or modify
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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package org.openspcoop2.generic_project.expression.impl;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.openspcoop2.generic_project.beans.IField;
import org.openspcoop2.generic_project.beans.IModel;
import org.openspcoop2.generic_project.exception.ExpressionException;
import org.openspcoop2.generic_project.exception.ExpressionNotImplementedException;
import org.openspcoop2.generic_project.expression.impl.formatter.IObjectFormatter;

/**
 * ConjunctionExpressionImpl
 * 
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class ConjunctionExpressionImpl extends AbstractBaseExpressionImpl {

    private List<AbstractBaseExpressionImpl> lista = new ArrayList<>();
    private boolean andConjunction = false;

    public ConjunctionExpressionImpl(IObjectFormatter objectFormatter){
        super(objectFormatter);
    }
    
    public void addExpression(AbstractBaseExpressionImpl xml){
        this.lista.add(xml);
    }
    
    public List<AbstractBaseExpressionImpl> getLista() {
        return this.lista;
    }

    public void setLista(List<AbstractBaseExpressionImpl> lista) {
        this.lista = lista;
    }

    public boolean isAndConjunction() {
        return this.andConjunction;
    }

    public void setAndConjunction(boolean andConjunction) {
        this.andConjunction = andConjunction;
    }

    @Override
    public String toString(){
        StringBuilder bf = new StringBuilder();
        if(isNot()){
            bf.append("( NOT ");
        }
        bf.append("( ");
        int index = 0;
        for (Iterator<AbstractBaseExpressionImpl> iterator = this.lista.iterator(); iterator.hasNext();) {
            AbstractBaseExpressionImpl exp = iterator.next();
            if(index>0){
                if(this.andConjunction)
                    bf.append(" AND ");
                else
                    bf.append(" OR ");
            }
            bf.append(exp.toString());
            index++;
        }
        bf.append(" )");
        if(isNot()){
            bf.append(" )");
        }
        return bf.toString();
    }
    
    @Override
    public boolean inUseField(IField field)
            throws ExpressionNotImplementedException, ExpressionException {
        if(this.lista==null){
            return false;
        }
        for (Iterator<AbstractBaseExpressionImpl> iterator = this.lista.iterator(); iterator.hasNext();) {
            AbstractBaseExpressionImpl expr = iterator.next();
            if(expr.inUseField(field)){
                return true;
            }           
        }
        return false;
    }

    @Override
    public List<Object> getFieldValues(IField field) throws ExpressionNotImplementedException, ExpressionException{
        List<Object> fields = null;
        if(this.lista==null){
            return fields;
        }
        fields = new ArrayList<>();
        for (Iterator<AbstractBaseExpressionImpl> iterator = this.lista.iterator(); iterator.hasNext();) {
            AbstractBaseExpressionImpl expr = iterator.next();
            List<Object> tmp = expr.getFieldValues(field);
            if(tmp!=null){
                fields.addAll(tmp);
            }           
        }
        if(!fields.isEmpty()){
            return fields;
        }
        else {
            fields = null;
        }
        return fields;
    }
        
    @Override
    public boolean inUseModel(IModel<?> model)
            throws ExpressionNotImplementedException, ExpressionException {
        if(this.lista==null){
            return false;
        }
        for (Iterator<AbstractBaseExpressionImpl> iterator = this.lista.iterator(); iterator.hasNext();) {
            AbstractBaseExpressionImpl expr = iterator.next();
            if(expr.inUseModel(model)){
                return true;
            }           
        }
        return false;
    }

    
    
    @Override
    public List<IField> getFields()
            throws ExpressionNotImplementedException, ExpressionException {
        List<IField> fields = null;
        if(this.lista==null){
            return fields;
        }
        fields = new ArrayList<>();
        for (Iterator<AbstractBaseExpressionImpl> iterator = this.lista.iterator(); iterator.hasNext();) {
            AbstractBaseExpressionImpl expr = iterator.next();
            List<IField> tmp = expr.getFields();
            if(tmp!=null){
                fields.addAll(tmp);
            }
        }
        if(!fields.isEmpty()){
            return fields;
        }
        else {
            fields = null;
        }
        return fields;
    }
}