Example usage for org.hibernate.persister.entity SingleTableEntityPersister getPropertyNames

Introduction

In this page you can find the example usage for org.hibernate.persister.entity SingleTableEntityPersister getPropertyNames.

Prototype

public String[] getPropertyNames() 

Source Link

Usage

From source file:to.etc.domui.hibernate.model.CriteriaCreatingVisitor.java

License:Open Source License

/**
 * Try to locate the property in the child that refers to the parent in a horrible way.
 * @param cm//from ww w  .ja v  a  2  s  . c  o m
 * @param keyCols
 * @return
 */
private String findCruddyChildProperty(ClassMetadata cm, String[] keyCols) {
    SingleTableEntityPersister fuckup = (SingleTableEntityPersister) cm;
    for (int i = fuckup.getPropertyNames().length; --i >= 0;) {
        String[] cols = fuckup.getPropertyColumnNames(i);
        if (Arrays.equals(keyCols, cols)) {
            return cm.getPropertyNames()[i];
        }
    }

    /*
     * The identifier property is fully separate from all other properties because that
     * makes it hard to use, of course. So explicitly check for a full identifying relation
     * initially.
     */
    String idname = fuckup.getIdentifierPropertyName();
    String[] cols = fuckup.getIdentifierColumnNames();
    if (Arrays.equals(keyCols, cols)) {
        return idname;
    }

    /*
     * The ID property can be compound, in that case we need to handle it's
     * component properties separately. This code is wrong because it only
     * handles one level of indirection - but that is enough for me now, this
     * is horrible. The proper way of implementing is to recursively determine
     * the smallest property accessing the columns specified in this call, and
     * to determine it's full path.
     */
    Type idtype = fuckup.getIdentifierType();
    if (idtype instanceof ComponentType) {
        ComponentType ct = (ComponentType) idtype;

        //         for(int scp = 0; scp < fuckup.countSubclassProperties(); scp++) { There's no end to the incredible mess.
        //            String scpn = fuckup.getSubclassPropertyName(scp);
        //            cols = fuckup.getSubclassPropertyColumnNames(scpn);
        //            System.out.println("prop: " + scpn + ", cols=" + Arrays.toString(cols));
        //         }
        //

        String[] xx = fuckup.getSubclassPropertyColumnNames(idname);
        String[] cpnar = ct.getPropertyNames();
        for (int i = 0; i < cpnar.length; i++) {
            String pname = cpnar[i];
            cols = fuckup.getSubclassPropertyColumnNames(idname + "." + pname);
            if (Arrays.equals(keyCols, cols)) {
                return idname + "." + pname;
            }
        }
    }

    //-- All has failed- mapping unknown.
    return null;
}

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