Class: Groonga::IndexCursor — rroonga - Ranguba

Class: Groonga::IndexCursor

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
ext/groonga/rb-grn-index-cursor.c

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Object

#==, #[], #[]=, #accessor?, #append, #builtin?, #bulk?, #close, #closed?, #column?, #corrupt?, #dirty?, #disk_usage, #domain, #function_procedure?, #id, #id_accessor?, #index_column?, #inspect, #key_accessor?, #last_modified, #lexicon?, #n_sub_records_accessor?, #name, #path, #persistent?, #prepend, #procedure?, #range, #reference_column?, #remove, #score_accessor?, #scorer_procedure?, #selector_only_procedure?, #selector_procedure?, #table?, #temporary?, #touch, #unlink, #value_accessor?, #window_function_procedure?

Class Method Details

.set_min= ⇒ Object 



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# File 'ext/groonga/rb-grn-index-cursor.c', line 66

static VALUE
rb_grn_index_cursor_s_set_min_set (VALUE klass, VALUE enable)
{
    grn_ii_cursor_set_min_enable_set(RVAL2CBOOL(enable));
    return enable;
}

.set_min? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/groonga/rb-grn-index-cursor.c', line 60

static VALUE
rb_grn_index_cursor_s_set_min_p (VALUE klass)
{
    return CBOOL2RVAL(grn_ii_cursor_set_min_enable_get());
}

Instance Method Details

#each ⇒ Object 



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# File 'ext/groonga/rb-grn-index-cursor.c', line 114

static VALUE
rb_grn_index_cursor_each (int argc, VALUE *argv, VALUE self)
{
    grn_obj *cursor;
    grn_ctx *context;
    grn_bool reuse_posting_object;
    VALUE rb_options;
    VALUE rb_reuse_posting_object;
    VALUE rb_table;
    VALUE rb_lexicon;
    VALUE rb_posting = Qnil;

    RETURN_ENUMERATOR(self, argc, argv);

    rb_scan_args(argc, argv, "01", &rb_options);

    rb_grn_scan_options(rb_options,
                        "reuse_posting_object", &rb_reuse_posting_object,
                        NULL);

    rb_grn_index_cursor_deconstruct(SELF(self), &cursor, &context,
                                    NULL, NULL, NULL, NULL);

    if (!context) {
        return Qnil;
    }

    if (!cursor) {
        return Qnil;
    }

    rb_table = rb_iv_get(self, "@table");
    rb_lexicon = rb_iv_get(self, "@lexicon");
    reuse_posting_object = RVAL2CBOOL(rb_reuse_posting_object);

    if (reuse_posting_object) {
        rb_posting = rb_grn_posting_new(NULL, GRN_ID_NIL, rb_table, rb_lexicon);
    }
    while (GRN_TRUE) {
        if (!reuse_posting_object) {
            rb_posting = Qnil;
        }
        rb_posting = next_value(rb_posting,
                                context, cursor, rb_table, rb_lexicon);
        if (NIL_P(rb_posting)) {
            break;
        }
        rb_yield(rb_posting);
    }

    return Qnil;
}

#next ⇒ Object 



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# File 'ext/groonga/rb-grn-index-cursor.c', line 93

static VALUE
rb_grn_index_cursor_next (VALUE self)
{
    VALUE rb_posting = Qnil;
    grn_obj *cursor;
    grn_ctx *context;

    rb_grn_index_cursor_deconstruct(SELF(self), &cursor, &context,
                                    NULL, NULL, NULL, NULL);
    if (context && cursor) {
        VALUE rb_table;
        VALUE rb_lexicon;
        rb_table = rb_iv_get(self, "@table");
        rb_lexicon = rb_iv_get(self, "@lexicon");
        rb_posting = next_value(Qnil, context, cursor, rb_table, rb_lexicon);
    }

    return rb_posting;

}