/**
 * JMX operation - returns all the queries we have collected.
 * @return - the slow query report as composite data.
 */
@Override
public CompositeData[] getSlowQueriesCD() throws OpenDataException {
    CompositeDataSupport[] result = null;
    ConcurrentHashMap<String,QueryStats> queries = perPoolStats.get(poolName);
    if (queries!=null) {
        Set<Map.Entry<String,QueryStats>> stats = queries.entrySet();
        if (stats!=null) {
            result = new CompositeDataSupport[stats.size()];
            Iterator<Map.Entry<String,QueryStats>> it = stats.iterator();
            int pos = 0;
            while (it.hasNext()) {
                Map.Entry<String,QueryStats> entry = it.next();
                QueryStats qs = entry.getValue();
                result[pos++] = qs.getCompositeData(getCompositeType());
            }
        }
    }
    return result;
}
 

public CompositeDataSupport getCompositeData(final CompositeType type) throws OpenDataException{
    Object[] values = new Object[] {
            query,
            Integer.valueOf(nrOfInvocations),
            Long.valueOf(maxInvocationTime),
            Long.valueOf(maxInvocationDate),
            Long.valueOf(minInvocationTime),
            Long.valueOf(minInvocationDate),
            Long.valueOf(totalInvocationTime),
            Long.valueOf(failures),
            Integer.valueOf(prepareCount),
            Long.valueOf(prepareTime),
            Long.valueOf(lastInvocation)
    };
    return new CompositeDataSupport(type,FIELD_NAMES,values);
}
 

private MXBeanMapping
    makeTabularMapping(Type objType, boolean sortedMap,
                       Type keyType, Type valueType,
                       MXBeanMappingFactory factory)
        throws OpenDataException {

    final String objTypeName = typeName(objType);
    final MXBeanMapping keyMapping = factory.mappingForType(keyType, factory);
    final MXBeanMapping valueMapping = factory.mappingForType(valueType, factory);
    final OpenType<?> keyOpenType = keyMapping.getOpenType();
    final OpenType<?> valueOpenType = valueMapping.getOpenType();
    final CompositeType rowType =
        new CompositeType(objTypeName,
                          objTypeName,
                          keyValueArray,
                          keyValueArray,
                          new OpenType<?>[] {keyOpenType, valueOpenType});
    final TabularType tabularType =
        new TabularType(objTypeName, objTypeName, rowType, keyArray);
    return new TabularMapping(objType, sortedMap, tabularType,
                                keyMapping, valueMapping);
}
 

@Override
final Object toNonNullOpenValue(Object value)
        throws OpenDataException {
    final Collection<?> valueCollection = (Collection<?>) value;
    if (valueCollection instanceof SortedSet<?>) {
        Comparator<?> comparator =
            ((SortedSet<?>) valueCollection).comparator();
        if (comparator != null) {
            final String msg =
                "Cannot convert SortedSet with non-null comparator: " +
                comparator;
            throw openDataException(msg, new IllegalArgumentException(msg));
        }
    }
    final Object[] openArray = (Object[])
        Array.newInstance(getOpenClass().getComponentType(),
                          valueCollection.size());
    int i = 0;
    for (Object o : valueCollection)
        openArray[i++] = elementMapping.toOpenValue(o);
    return openArray;
}
 

@Override
final Object toNonNullOpenValue(Object value)
        throws OpenDataException {
    CompositeType ct = (CompositeType) getOpenType();
    if (value instanceof CompositeDataView)
        return ((CompositeDataView) value).toCompositeData(ct);
    if (value == null)
        return null;

    Object[] values = new Object[getters.length];
    for (int i = 0; i < getters.length; i++) {
        try {
            Object got = MethodUtil.invoke(getters[i], value, (Object[]) null);
            values[i] = getterMappings[i].toOpenValue(got);
        } catch (Exception e) {
            throw openDataException("Error calling getter for " +
                                    itemNames[i] + ": " + e, e);
        }
    }
    return new CompositeDataSupport(ct, itemNames, values);
}
 

@Override
final Object toNonNullOpenValue(Object value)
        throws OpenDataException {
    CompositeType ct = (CompositeType) getOpenType();
    if (value instanceof CompositeDataView)
        return ((CompositeDataView) value).toCompositeData(ct);
    if (value == null)
        return null;

    Object[] values = new Object[getters.length];
    for (int i = 0; i < getters.length; i++) {
        try {
            Object got = MethodUtil.invoke(getters[i], value, (Object[]) null);
            values[i] = getterMappings[i].toOpenValue(got);
        } catch (Exception e) {
            throw openDataException("Error calling getter for " +
                                    itemNames[i] + ": " + e, e);
        }
    }
    return new CompositeDataSupport(ct, itemNames, values);
}
 

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // stackTraceElementItemNames!
    final Object[] stackTraceElementItemValues = {
        ste.getClassName(),
        ste.getMethodName(),
        ste.getFileName(),
        new Integer(ste.getLineNumber()),
        new Boolean(ste.isNativeMethod()),
    };
    try {
        return new CompositeDataSupport(stackTraceElementCompositeType,
                                        stackTraceElementItemNames,
                                        stackTraceElementItemValues);
    } catch (OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // memoryUsageItemNames!
    final Object[] memoryUsageItemValues = {
        new Long(usage.getInit()),
        new Long(usage.getUsed()),
        new Long(usage.getCommitted()),
        new Long(usage.getMax()),
    };

    try {
        return new CompositeDataSupport(memoryUsageCompositeType,
                                        memoryUsageItemNames,
                                        memoryUsageItemValues);
    } catch (OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // memoryNotifInfoItemNames!
    final Object[] memoryNotifInfoItemValues = {
        memoryNotifInfo.getPoolName(),
        MemoryUsageCompositeData.toCompositeData(memoryNotifInfo.getUsage()),
        new Long(memoryNotifInfo.getCount()),
    };

    try {
        return new CompositeDataSupport(memoryNotifInfoCompositeType,
                                        memoryNotifInfoItemNames,
                                        memoryNotifInfoItemValues);
    } catch (OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

CompositeMapping(Class<?> targetClass,
                 CompositeType compositeType,
                 String[] itemNames,
                 Method[] getters,
                 MXBeanMappingFactory factory) throws OpenDataException {
    super(targetClass, compositeType);

    assert(itemNames.length == getters.length);

    this.itemNames = itemNames;
    this.getters = getters;
    this.getterMappings = new MXBeanMapping[getters.length];
    for (int i = 0; i < getters.length; i++) {
        Type retType = getters[i].getGenericReturnType();
        getterMappings[i] = factory.mappingForType(retType, factory);
    }
}
 

private MXBeanMapping
    makeTabularMapping(Type objType, boolean sortedMap,
                       Type keyType, Type valueType,
                       MXBeanMappingFactory factory)
        throws OpenDataException {

    final String objTypeName = typeName(objType);
    final MXBeanMapping keyMapping = factory.mappingForType(keyType, factory);
    final MXBeanMapping valueMapping = factory.mappingForType(valueType, factory);
    final OpenType<?> keyOpenType = keyMapping.getOpenType();
    final OpenType<?> valueOpenType = valueMapping.getOpenType();
    final CompositeType rowType =
        new CompositeType(objTypeName,
                          objTypeName,
                          keyValueArray,
                          keyValueArray,
                          new OpenType<?>[] {keyOpenType, valueOpenType});
    final TabularType tabularType =
        new TabularType(objTypeName, objTypeName, rowType, keyArray);
    return new TabularMapping(objType, sortedMap, tabularType,
                                keyMapping, valueMapping);
}
 

@Override
final Object toNonNullOpenValue(Object value)
        throws OpenDataException {
    final Collection<?> valueCollection = (Collection<?>) value;
    if (valueCollection instanceof SortedSet<?>) {
        Comparator<?> comparator =
            ((SortedSet<?>) valueCollection).comparator();
        if (comparator != null) {
            final String msg =
                "Cannot convert SortedSet with non-null comparator: " +
                comparator;
            throw openDataException(msg, new IllegalArgumentException(msg));
        }
    }
    final Object[] openArray = (Object[])
        Array.newInstance(getOpenClass().getComponentType(),
                          valueCollection.size());
    int i = 0;
    for (Object o : valueCollection)
        openArray[i++] = elementMapping.toOpenValue(o);
    return openArray;
}
 

CompositeMapping(Class<?> targetClass,
                 CompositeType compositeType,
                 String[] itemNames,
                 Method[] getters,
                 MXBeanMappingFactory factory) throws OpenDataException {
    super(targetClass, compositeType);

    assert(itemNames.length == getters.length);

    this.itemNames = itemNames;
    this.getters = getters;
    this.getterMappings = new MXBeanMapping[getters.length];
    for (int i = 0; i < getters.length; i++) {
        Type retType = getters[i].getGenericReturnType();
        getterMappings[i] = factory.mappingForType(retType, factory);
    }
}
 

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // stackTraceElementItemNames!
    final Object[] stackTraceElementItemValues = {
        ste.getClassName(),
        ste.getMethodName(),
        ste.getFileName(),
        new Integer(ste.getLineNumber()),
        new Boolean(ste.isNativeMethod()),
    };
    try {
        return new CompositeDataSupport(stackTraceElementCompositeType,
                                        stackTraceElementItemNames,
                                        stackTraceElementItemValues);
    } catch (OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // lockInfoItemNames!
    final Object[] lockInfoItemValues = {
        new String(lock.getClassName()),
        new Integer(lock.getIdentityHashCode()),
    };

    try {
        return new CompositeDataSupport(lockInfoCompositeType,
                                        lockInfoItemNames,
                                        lockInfoItemValues);
    } catch (OpenDataException e) {
        // Should never reach here
        throw Util.newException(e);
    }
}
 

@Override
final Object toNonNullOpenValue(Object value)
        throws OpenDataException {
    final Collection<?> valueCollection = (Collection<?>) value;
    if (valueCollection instanceof SortedSet<?>) {
        Comparator<?> comparator =
            ((SortedSet<?>) valueCollection).comparator();
        if (comparator != null) {
            final String msg =
                "Cannot convert SortedSet with non-null comparator: " +
                comparator;
            throw openDataException(msg, new IllegalArgumentException(msg));
        }
    }
    final Object[] openArray = (Object[])
        Array.newInstance(getOpenClass().getComponentType(),
                          valueCollection.size());
    int i = 0;
    for (Object o : valueCollection)
        openArray[i++] = elementMapping.toOpenValue(o);
    return openArray;
}
 

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // memoryUsageItemNames!
    final Object[] memoryUsageItemValues = {
        new Long(usage.getInit()),
        new Long(usage.getUsed()),
        new Long(usage.getCommitted()),
        new Long(usage.getMax()),
    };

    try {
        return new CompositeDataSupport(memoryUsageCompositeType,
                                        memoryUsageItemNames,
                                        memoryUsageItemValues);
    } catch (OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // memoryNotifInfoItemNames!
    final Object[] memoryNotifInfoItemValues = {
        memoryNotifInfo.getPoolName(),
        MemoryUsageCompositeData.toCompositeData(memoryNotifInfo.getUsage()),
        new Long(memoryNotifInfo.getCount()),
    };

    try {
        return new CompositeDataSupport(memoryNotifInfoCompositeType,
                                        memoryNotifInfoItemNames,
                                        memoryNotifInfoItemValues);
    } catch (OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

static ConvertingMethod from(Method m) {
    try {
        return new ConvertingMethod(m);
    } catch (OpenDataException ode) {
        final String msg = "Method " + m.getDeclaringClass().getName() +
            "." + m.getName() + " has parameter or return type that " +
            "cannot be translated into an open type";
        throw new IllegalArgumentException(msg, ode);
    }
}
 

final Object[] toOpenParameters(MXBeanLookup lookup, Object[] params)
        throws OpenDataException {
    if (paramConversionIsIdentity || params == null)
        return params;
    final Object[] oparams = new Object[params.length];
    for (int i = 0; i < params.length; i++)
        oparams[i] = paramMappings[i].toOpenValue(params[i]);
    return oparams;
}
 

private ConvertingMethod(Method m) throws OpenDataException {
    this.method = m;
    MXBeanMappingFactory mappingFactory = MXBeanMappingFactory.DEFAULT;
    returnMapping =
            mappingFactory.mappingForType(m.getGenericReturnType(), mappingFactory);
    Type[] params = m.getGenericParameterTypes();
    paramMappings = new MXBeanMapping[params.length];
    boolean identity = true;
    for (int i = 0; i < params.length; i++) {
        paramMappings[i] = mappingFactory.mappingForType(params[i], mappingFactory);
        identity &= DefaultMXBeanMappingFactory.isIdentity(paramMappings[i]);
    }
    paramConversionIsIdentity = identity;
}
 

synchronized ObjectName mxbeanToObjectName(Object mxbean)
throws OpenDataException {
    String wrong;
    if (mxbean instanceof Proxy) {
        InvocationHandler ih = Proxy.getInvocationHandler(mxbean);
        if (ih instanceof MBeanServerInvocationHandler) {
            MBeanServerInvocationHandler mbsih =
                    (MBeanServerInvocationHandler) ih;
            if (mbsih.getMBeanServerConnection().equals(mbsc))
                return mbsih.getObjectName();
            else
                wrong = "proxy for a different MBeanServer";
        } else
            wrong = "not a JMX proxy";
    } else {
        ObjectName name = mxbeanToObjectName.get(mxbean);
        if (name != null)
            return name;
        wrong = "not an MXBean registered in this MBeanServer";
    }
    String s = (mxbean == null) ?
        "null" : "object of type " + mxbean.getClass().getName();
    throw new OpenDataException(
            "Could not convert " + s + " to an ObjectName: " + wrong);
    // Message will be strange if mxbean is null but it is not
    // supposed to be.
}
 

/** Get the converter for the given Java type, creating it if necessary. */
@Override
public synchronized MXBeanMapping mappingForType(Type objType,
                                                 MXBeanMappingFactory factory)
        throws OpenDataException {
    if (inProgress.containsKey(objType)) {
        throw new OpenDataException(
                "Recursive data structure, including " + typeName(objType));
    }

    MXBeanMapping mapping;

    mapping = getMapping(objType);
    if (mapping != null)
        return mapping;

    inProgress.put(objType, objType);
    try {
        mapping = makeMapping(objType, factory);
    } catch (OpenDataException e) {
        throw openDataException("Cannot convert type: " + typeName(objType), e);
    } finally {
        inProgress.remove(objType);
    }

    putMapping(objType, mapping);
    return mapping;
}
 

private MXBeanMapping
    makeArrayOrCollectionMapping(Type collectionType, Type elementType,
                                 MXBeanMappingFactory factory)
        throws OpenDataException {

    final MXBeanMapping elementMapping = factory.mappingForType(elementType, factory);
    final OpenType<?> elementOpenType = elementMapping.getOpenType();
    final ArrayType<?> openType = ArrayType.getArrayType(elementOpenType);
    final Class<?> elementOpenClass = elementMapping.getOpenClass();

    final Class<?> openArrayClass;
    final String openArrayClassName;
    if (elementOpenClass.isArray())
        openArrayClassName = "[" + elementOpenClass.getName();
    else
        openArrayClassName = "[L" + elementOpenClass.getName() + ";";
    try {
        openArrayClass = Class.forName(openArrayClassName);
    } catch (ClassNotFoundException e) {
        throw openDataException("Cannot obtain array class", e);
    }

    if (collectionType instanceof ParameterizedType) {
        return new CollectionMapping(collectionType,
                                     openType, openArrayClass,
                                     elementMapping);
    } else {
        if (isIdentity(elementMapping)) {
            return new IdentityMapping(collectionType,
                                       openType);
        } else {
            return new ArrayMapping(collectionType,
                                      openType,
                                      openArrayClass,
                                      elementMapping);
        }
    }
}
 

@Override
final Object toNonNullOpenValue(Object value)
        throws OpenDataException {
    Object[] valueArray = (Object[]) value;
    final int len = valueArray.length;
    final Object[] openArray = (Object[])
        Array.newInstance(getOpenClass().getComponentType(), len);
    for (int i = 0; i < len; i++)
        openArray[i] = elementMapping.toOpenValue(valueArray[i]);
    return openArray;
}
 

@Override
final Object toNonNullOpenValue(Object javaValue)
        throws OpenDataException {
    MXBeanLookup lookup = lookupNotNull(OpenDataException.class);
    ObjectName name = lookup.mxbeanToObjectName(javaValue);
    if (name == null)
        throw new OpenDataException("No name for object: " + javaValue);
    return name;
}
 

static TabularType make(String typeName, String description,
                        CompositeType rowType, String[] indexNames) {
    try {
        return new TabularType(typeName, description, rowType,
                               indexNames);
    } catch (OpenDataException e) {
        throw new Error(e);
    }
}
 

public CompositeData getCompositeDataAttribute()
    throws OpenDataException {
    CompositeType ct = new CompositeType("CompositeDataAttribute",
                                         "Composite Data Attribute",
                                         itemNames,
                                         itemDescriptions,
                                         itemTypes);
    Object itemValues[] = { ia, da, sa };
    return new CompositeDataSupport(ct, itemNames, itemValues);
}
 

@SuppressWarnings("unchecked")
public TabularData getGlobals() throws OpenDataException {
    TabularDataSupport globalsTable = new TabularDataSupport( globalsTableType );
    for ( Map.Entry<String, Class< ? >> global : ((Map<String, Class< ? >>) kbase.getGlobals()).entrySet() ) {
        Object[] itemValues = {global.getKey(), global.getValue().getName()};
        CompositeData result = new CompositeDataSupport( globalsType,
                                                         globalsColNames,
                                                         itemValues );
        globalsTable.put( result );
    }
    return globalsTable;
}
 

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // monitorInfoItemNames!

    int len = monitorInfoItemNames.length;
    Object[] values = new Object[len];
    CompositeData li = LockInfoCompositeData.toCompositeData(lock);

    for (int i = 0; i < len; i++) {
        String item = monitorInfoItemNames[i];
        if (item.equals(LOCKED_STACK_FRAME)) {
            StackTraceElement ste = lock.getLockedStackFrame();
            values[i] = (ste != null ? StackTraceElementCompositeData.
                                           toCompositeData(ste)
                                     : null);
        } else if (item.equals(LOCKED_STACK_DEPTH)) {
            values[i] = new Integer(lock.getLockedStackDepth());
        } else {
            values[i] = li.get(item);
        }
    }

    try {
        return new CompositeDataSupport(monitorInfoCompositeType,
                                        monitorInfoItemNames,
                                        values);
    } catch (OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}