Examples with Database org.exist.Database used on opensource projects

Example 11 with Database

use of org.exist.Database in project exist by eXist-db.

the class DebuggeeJointImpl method evalution.

@Override
public String evalution(String script) throws Exception {
    Database db = compiledXQuery.getContext().getDatabase();
    // TODO: account required
    try (final DBBroker broker = db.getBroker()) {
        XQueryContext context = compiledXQuery.getContext().copyContext();
        context.setDebuggeeJoint(null);
        context.undeclareGlobalVariable(Debuggee.SESSION);
        context.undeclareGlobalVariable(Debuggee.IDEKEY);
        XQuery service = broker.getBrokerPool().getXQueryService();
        CompiledXQuery compiled = service.compile(broker, context, script);
        Sequence resultSequence = service.execute(broker, compiled, null);
        SAXSerializer sax = null;
        Serializer serializer = broker.getSerializer();
        serializer.reset();
        try {
            sax = (SAXSerializer) SerializerPool.getInstance().borrowObject(SAXSerializer.class);
            Properties outputProps = new Properties();
            StringWriter writer = new StringWriter();
            sax.setOutput(writer, outputProps);
            serializer.setSAXHandlers(sax, sax);
            for (SequenceIterator i = resultSequence.iterate(); i.hasNext(); ) {
                Item next = i.nextItem();
                if (Type.subTypeOf(next.getType(), Type.NODE))
                    serializer.toSAX((NodeValue) next);
                else
                    writer.write(next.getStringValue());
            }
            return writer.toString();
        } finally {
            if (sax != null) {
                SerializerPool.getInstance().returnObject(sax);
            }
        }
    }
}

Example 12 with Database

use of org.exist.Database in project exist by eXist-db.

the class ScriptRunner method run.

/* (non-Javadoc)
	 * @see java.lang.Runnable#run()
	 */
@Override
public void run() {
    try {
        final Database db = BrokerPool.getInstance();
        db.addStatusObserver(this);
        try (final DBBroker broker = db.getBroker()) {
            XQuery xquery = broker.getBrokerPool().getXQueryService();
            xquery.execute(broker, expression, null);
        // XQueryContext context = expression.getContext();
        // 
        // expression.reset();
        // 
        // context.setBroker(broker);
        // context.getWatchDog().reset();
        // 
        // //do any preparation before execution
        // context.prepare();
        // 
        // context.getProfiler().traceQueryStart();
        // broker.getBrokerPool().getProcessMonitor().queryStarted(context.getWatchDog());
        // try {
        // Sequence result = expression.eval(null);
        // 
        // if(outputProperties != null)
        // context.checkOptions(outputProperties); //must be done before context.reset!
        // 
        // //return result;
        // } finally {
        // context.getProfiler().traceQueryEnd(context);
        // expression.reset();
        // context.reset();
        // broker.getBrokerPool().getProcessMonitor().queryCompleted(context.getWatchDog());
        // }
        }
    } catch (Exception e) {
        e.printStackTrace();
        exception = e;
    }
}

Example 13 with Database

use of org.exist.Database in project exist by eXist-db.

the class PropertyGet method getPropertyString.

protected static StringBuilder getPropertyString(Variable variable, XQueryContext context) {
    Sequence value = variable.getValue();
    Database db = context.getDatabase();
    try (final DBBroker broker = db.getBroker()) {
        Serializer serializer = broker.getSerializer();
        serializer.reset();
        try {
            StringBuilder property = new StringBuilder();
            if (value.hasOne()) {
                String strVal = getPropertyValue(value.itemAt(0), serializer);
                String type = Type.subTypeOf(value.getItemType(), Type.NODE) ? "node" : Type.getTypeName(value.getItemType());
                property.append("<property name=\"");
                property.append(variable.getQName().toString());
                property.append("\" fullname=\"");
                property.append(variable.getQName().toString());
                property.append("\" type=\"");
                property.append(type);
                property.append("\" size=\"");
                property.append(strVal.length());
                property.append("\" encoding=\"none\">");
                property.append(strVal);
                property.append("</property>");
            } else {
                property.append("<property name=\"");
                property.append(variable.getQName().toString());
                property.append("\" fullname=\"");
                property.append(variable.getQName().toString());
                property.append("\" type=\"array\" children=\"true\" numchildren=\"");
                property.append(value.getItemCount());
                property.append("\">");
                int idx = 0;
                for (SequenceIterator si = value.iterate(); si.hasNext(); idx++) {
                    Item item = si.nextItem();
                    String strVal = getPropertyValue(item, serializer);
                    String type = Type.subTypeOf(value.getItemType(), Type.NODE) ? "xs:string" : Type.getTypeName(value.getItemType());
                    property.append("<property name=\"");
                    property.append(idx);
                    property.append("\" type=\"");
                    property.append(type);
                    property.append("\" size=\"");
                    property.append(strVal.length());
                    property.append("\" encoding=\"none\">");
                    property.append(strVal);
                    property.append("</property>");
                }
                property.append("</property>");
            }
            return property;
        } catch (SAXException e) {
            e.printStackTrace();
        } catch (XPathException e) {
            e.printStackTrace();
        }
    } catch (EXistException e) {
        e.printStackTrace();
    }
    return null;
}

Example 14 with Database

use of org.exist.Database in project exist by eXist-db.

the class SMEvents method runScript.

protected void runScript(Subject subject, String scriptURI, String script, QName functionName, List<Expression> args) {
    final Database db = getDatabase();
    try (final DBBroker broker = db.get(Optional.ofNullable(subject))) {
        final Source source = getQuerySource(broker, scriptURI, script);
        if (source == null) {
            return;
        }
        final XQuery xquery = broker.getBrokerPool().getXQueryService();
        final XQueryContext context = new XQueryContext(broker.getBrokerPool());
        final CompiledXQuery compiled = xquery.compile(context, source);
        // Sequence result = xquery.execute(compiled, subject.getName());
        final ProcessMonitor pm = db.getProcessMonitor();
        // execute the XQuery
        try {
            final UserDefinedFunction function = context.resolveFunction(functionName, 0);
            if (function != null) {
                context.getProfiler().traceQueryStart();
                pm.queryStarted(context.getWatchDog());
                final FunctionCall call = new FunctionCall(context, function);
                if (args != null) {
                    call.setArguments(args);
                }
                final Sequence contextSequence;
                final ContextItemDeclaration cid = context.getContextItemDeclartion();
                if (cid != null) {
                    contextSequence = cid.eval(null);
                } else {
                    contextSequence = NodeSet.EMPTY_SET;
                }
                call.analyze(new AnalyzeContextInfo());
                call.eval(contextSequence);
            }
        } catch (final XPathException e) {
            // XXX: log
            e.printStackTrace();
        } finally {
            if (pm != null) {
                context.getProfiler().traceQueryEnd(context);
                pm.queryCompleted(context.getWatchDog());
            }
            compiled.reset();
            context.reset();
        }
    } catch (final Exception e) {
        // XXX: log
        e.printStackTrace();
    }
}

Example 15 with Database

use of org.exist.Database in project exist by eXist-db.

the class GetReleaseBrokerDeadlocks method exterServiceMode.

@Test
@Ignore
public void exterServiceMode() {
    try {
        Configuration config = new Configuration();
        config.setProperty(FunctionFactory.PROPERTY_DISABLE_DEPRECATED_FUNCTIONS, Boolean.FALSE);
        BrokerPool.configure(1, 5, config);
        Database db = BrokerPool.getInstance();
        Thread thread = new Thread(db.getThreadGroup(), new EnterServiceMode());
        try (final DBBroker broker = db.getBroker()) {
            thread.start();
            Thread.sleep(1000);
        }
        Thread.sleep(1000);
        assertFalse(thread.isAlive());
    } catch (Exception e) {
        fail(e.getMessage());
    }
}