com.adobe.cq.searchcollections.qom.Constraints Maven / Gradle / Ivy

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 *  Copyright 2012 Adobe Systems Incorporated
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package com.adobe.cq.searchcollections.qom;

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

import javax.jcr.RepositoryException;
import javax.jcr.query.qom.Constraint;
import javax.jcr.query.qom.QueryObjectModelFactory;

/**
 * @deprecated
 */
public class Constraints {

    public static Constraint and(
            QueryObjectModelFactory factory, List constraints)
            throws RepositoryException {
        int n = constraints.size();
        if (n == 0) {
            return null;
        } else if (n == 1) {
            return constraints.get(0);
        } else {
            int m = n / 2;
            return factory.and(
                    and(factory, constraints.subList(0, m)),
                    and(factory, constraints.subList(m, n)));
        }
    }

    public static Constraint and(
            QueryObjectModelFactory factory, Constraint... constraints)
            throws RepositoryException {
        List list = new ArrayList(constraints.length);
        for (Constraint constraint : constraints) {
            if (constraint != null) {
                list.add(constraint);
            }
        }
        return and(factory, list);
    }

    public static Constraint or(
            QueryObjectModelFactory factory, List constraints)
            throws RepositoryException {
        int n = constraints.size();
        if (n == 0) {
            return null;
        } else if (n == 1) {
            return constraints.get(0);
        } else {
            int m = n / 2;
            return factory.or(
                    or(factory, constraints.subList(0, m)),
                    or(factory, constraints.subList(m, n)));
        }
    }

}