Package xbird.xquery.dm.value.sequence

Examples of xbird.xquery.dm.value.sequence.ValueSequence

49
50
51
52
53
54
55
56
57
58
59
    private static final String queryFile = "C:/Users/myui/workspace/xbird-db/examples/xqueryd/xmark/local/xpathmark05.xq";

    public void testNormalSequence() throws FileNotFoundException, XQueryException {
        System.out.println(" ============ Materialized ============ ");
        final Sequence<? extends Item> result = doQuery(queryFile);
        final ValueSequence materialized = new ValueSequence(result.materialize(), null);

        StopWatch sw01 = new StopWatch("Sequence encoding time");
        byte[] encoded0 = ObjectUtils.toBytes(materialized);
        System.err.println(sw01);
View Full Code Here
165
166
167
168
169
170
171
172
173
174
175
        final ReturnType returnType = request.getReturnType();
        final Serializable ret;
        switch(returnType) {
            case SEQUENCE:
                final List<Item> materialized = result.materialize();
                ret = new ValueSequence(materialized, dynEnv);
                break;
            case MARSHALLED_SEQUENCE:
                ret = new MarshalledSequence(result, dynEnv);
                break;
            case AUTO:
View Full Code Here
76
77
78
79
80
81
82
            }
        }
        if(prefixes.isEmpty()) {
            return ValueSequence.EMPTY_SEQUENCE;
        }
        return new ValueSequence(prefixes, dynEnv);
    }
View Full Code Here
188
189
190
191
192
193
194
            return ValueSequence.EMPTY_SEQUENCE;
        }
        if(items.size() == 1) {
            return items.get(0);
        }
        return new ValueSequence(items, DynamicContext.DUMMY);
    }
View Full Code Here
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
                } else {
                    skvItor = new NestedIterator<Item>(skvItor, skv.iterator());
                }
            }
            JoinTable joinTable = _joinTable;
            final ValueSequence vs = new ValueSequence(dynEnv);
            while(skvItor.hasNext()) {
                final Comparable searchKey;
                if(searchKeyLen == 1) {
                    final Item fsv = skvItor.next();
                    searchKey = mapArgument(fsv, 0, dynEnv);
                } else {
                    final Comparable[] searchKeys = new Comparable[searchKeyLen];
                    for(int i = 0; i < searchKeyLen; i++) {
                        Item fsv = skvItor.next();
                        searchKeys[i] = mapArgument(fsv, i, dynEnv);
                    }
                    searchKey = new JoinTable.Key(searchKeys, _opr);
                }
                final IFocus<Item> jsItor = joinTable.entrySequence(searchKey, dynEnv).iterator();
                for(Item entry : jsItor) {
                    vs.addItem(entry);
                }
                jsItor.closeQuietly();
            }
            if(vs.isEmpty()) {
                return ValueSequence.EMPTY_SEQUENCE;
            }
            return vs;
        }
View Full Code Here
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
                    skvItor = itor;
                } else {
                    skvItor = new NestedIterator<Item>(skvItor, itor);
                }
            }
            final ValueSequence vs = new ValueSequence(dynEnv);
            while(skvItor.hasNext()) {
                final Comparable searchKey;
                if(searchKeyLen == 1) {
                    final Item fsv = skvItor.next();
                    searchKey = mapArgument(fsv, 0, dynEnv);
                } else {
                    final Comparable[] searchKeys = new Comparable[searchKeyLen];
                    for(int i = 0; i < searchKeyLen; i++) {
                        Item fsv = skvItor.next();
                        searchKeys[i] = mapArgument(fsv, i, dynEnv);
                    }
                    searchKey = new JoinTable.Key(searchKeys, _opr);
                }
                if(_joinTable == null) {
                    this._joinTable = future.get();
                }
                final IFocus<Item> js = _joinTable.entrySequence(searchKey, dynEnv).iterator();
                for(Item entry : js) {
                    vs.addItem(entry);
                }
                js.closeQuietly();
            }
            if(vs.isEmpty()) {
                return ValueSequence.EMPTY_SEQUENCE;
            }
            return vs;
        }
View Full Code Here
795
796
797
798
799
800
801
802
803
804
805
                final Entry entry = find(key);
                if(entry == null) {
                    return ValueSequence.EMPTY_SEQUENCE;
                }
                Item[] items = entry.getItems();
                return new ValueSequence(Arrays.asList(items), dynEnv);
            }
            assert (_orderedKey != null);
            final SortedSet<Comparable> sorted;
            if(_opr.indexOf('<') != -1) { // <
                SortedSet<Comparable> heads = _orderedKey.headSet(key); // note that headSet contains key itself.
View Full Code Here
90
91
92
93
94
95
96
97
98
99
100
            this._result = _value.eval(contextSeq, dynEnv);
        } else if(ENV_PATH_ELIM) {
            if(!_materialized) {
                if(!(_result instanceof Item)) {
                    Collection<Item> c = _result.materialize();
                    ValueSequence vs = new ValueSequence(new ArrayList<Item>(c), dynEnv);
                    this._result = vs;
                }
                this._materialized = true;
            }
        }
View Full Code Here
69
70
71
72
73
74
75
76
77
78
79
        LetVariable lv = (LetVariable) _variable;
        XQExpression letExpr = lv.getValue();
        Sequence<? extends Item> res = letExpr.eval(contextSeq, dynEnv);
        if(lv.attemptEagarEvaluation() && lv.getReferenceCount() > 1) {
            List<? extends Item> items = res.materialize(); // TODO REVIEWME weak memory utilization
            lv.allocateResult(new ValueSequence(items, dynEnv), dynEnv);
        } else {
            lv.allocateResult(res, dynEnv);
        }
        return res;
    }
View Full Code Here
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
        if(pos < 1) {
            pos = 1;
        }
        Item inserts = argv.getItem(2);
        if(target instanceof ValueSequence) {
            ValueSequence vs = (ValueSequence) target;
            final int last = vs.size();
            if(pos > last) {
                pos = last;
            }
            vs.addSequence(pos - 1, inserts);
            return vs;
        } else {
            return new InsertEmuration(target, inserts, pos, dynEnv);
        }
    }
View Full Code Here
TOP

Related Classes of xbird.xquery.dm.value.sequence.ValueSequence

  • xbird.engine.backend.QueryProcessor
  • xbird.xquery.dm.coder.XQEventDecoder
  • xbird.xquery.dm.coder.XQEventEncoderTest
  • xbird.xquery.dm.value.Item
  • xbird.xquery.expr.flwr.LetClause
  • xbird.xquery.expr.func.DirectFunctionCall
  • xbird.xquery.expr.opt.Join$JoinTable
  • xbird.xquery.expr.opt.Join$PromoteJoinExpression
  • xbird.xquery.expr.opt.PathVariable
  • xbird.xquery.expr.seq.RangeExpr
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.