final Evaluator evaluator, final BetaRightMemory childMemory) { this.extractor = extractor; this.declaration = declaration; this.column = declaration.getColumn(); this.innerMemory = childMemory; this.memoryMap = new HashMap();
final Evaluator evaluator) { this( extractor, declaration, evaluator, null );
    public ObjectEqualConstrRightMemory(final FieldExtractor extractor,                                        final Declaration declaration,                                        final Evaluator evaluator,                                        final BetaRightMemory childMemory) {        this.extractor = extractor;        this.declaration = declaration;        this.column = declaration.getColumn();        this.innerMemory = childMemory;        this.memoryMap = new HashMap();    }