Examples of net.sf.saxon.trans.KeyManager.selectByKey()

net.sf.saxon.trans.KeyManager.selectByKey()
Get the nodes with a given key value. This method is called from XQuery compiled code @param keyName key name used in the call to the key() function @param doc The source document in question @param soughtValue The required key value @param context The dynamic context, needed only the first time when the key is being built @return an iteration of the selected nodes, always in document order with no duplicates

        while (true) {
            Item it = iter.next();
            if (it == null) {
                return false;
            }
            SequenceIterator nodes = km.selectByKey(kds, doc, (AtomicValue)it, context);
            while (true) {
                NodeInfo n = (NodeInfo)nodes.next();
                if (n == null) {
                    break;
                }

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            AtomicValue keyValue = (AtomicValue)argument[0].evaluateItem(context);
            if (keyValue == null) {
                return EmptyIterator.getInstance();
            }
            KeyManager keyManager = controller.getKeyManager();
            return keyManager.selectByKey(idRefKey, doc, keyValue, context);


        }
    }


    /**

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            if (item instanceof AtomicValue) {
                keyValue = (AtomicValue)item;
            } else {
                keyValue = new StringValue(item.getStringValue());
            }
            return keyManager.selectByKey(keySet, document, keyValue, keyContext);


        }
    }


}

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        while (true) {
            Item it = iter.next();
            if (it == null) {
                return false;
            }
            SequenceIterator nodes = km.selectByKey(keyfingerprint, doc, (AtomicValue)it, context);
            while (true) {
                NodeInfo n = (NodeInfo)nodes.next();
                if (n == null) {
                    break;
                }

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            AtomicValue keyValue = (AtomicValue)argument[1].evaluateItem(context);
            if (keyValue == null) {
                return EmptyIterator.getInstance();
            }
            KeyManager keyManager = controller.getKeyManager();
            return keyManager.selectByKey(fprint, doc, keyValue, context);


        }
    }

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    */


    public Object map(Item item, XPathContext context, Object info) throws XPathException {
        KeyContextInfo k = (KeyContextInfo)info;
        KeyManager keyManager = k.context.getController().getKeyManager();
        return keyManager.selectByKey(
                k.keyFingerprint, k.document, (AtomicValue)item, k.context);
    }


}

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            AtomicValue keyValue = (AtomicValue)argument[0].evaluateItem(context);
            if (keyValue == null) {
                return EmptyIterator.getInstance();
            }
            KeyManager keyManager = controller.getKeyManager();
            return keyManager.selectByKey(fprint, doc, keyValue, context);


        } else {
            KeyContextInfo info = new KeyContextInfo();
            info.document = doc;
            info.context = context;

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        if (item instanceof AtomicValue) {
            keyValue = (AtomicValue)item;
        } else {
            keyValue = new StringValue(item.getStringValue());
        }
        return keyManager.selectByKey(
                StandardNames.XS_IDREFS, k.document, keyValue, k.context);


    }


}

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            AtomicValue keyValue = (AtomicValue)argument[0].evaluateItem(context);
            if (keyValue == null) {
                return EmptyIterator.getInstance();
            }
            KeyManager keyManager = controller.getKeyManager();
            return keyManager.selectByKey(idRefKey, doc, keyValue, context);


        }
    }


    /**

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            if (item instanceof AtomicValue) {
                keyValue = (AtomicValue)item;
            } else {
                keyValue = new StringValue(item.getStringValue());
            }
            return keyManager.selectByKey(keySet, document, keyValue, keyContext);


        }
    }


}

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