/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "TransactionState.h"

#include <activemq/state/ProducerState.h>

#include <decaf/lang/exceptions/IllegalStateException.h>

using namespace activemq;
using namespace activemq::commands;
using namespace activemq::state;
using namespace decaf;
using namespace decaf::util;
using namespace decaf::lang;

////////////////////////////////////////////////////////////////////////////////
TransactionState::TransactionState(Pointer<TransactionId> id) :
    commands(), id(id), disposed(false), prepared(false), preparedResult(0), producers() {
}

////////////////////////////////////////////////////////////////////////////////
TransactionState::~TransactionState() {
    try {
        clear();
    }
    DECAF_CATCHALL_NOTHROW()
}

////////////////////////////////////////////////////////////////////////////////
std::string TransactionState::toString() const {

    if (this->id != NULL) {
        return this->id->toString();
    }

    return "NULL";
}

////////////////////////////////////////////////////////////////////////////////
void TransactionState::shutdown() {
    this->disposed.set(true);
    this->clear();
}

////////////////////////////////////////////////////////////////////////////////
void TransactionState::clear() {
    this->commands.clear();
    this->producers.clear();
}

////////////////////////////////////////////////////////////////////////////////
void TransactionState::addCommand(Pointer<Command> operation) {
    checkShutdown();
    commands.add(operation);
}

////////////////////////////////////////////////////////////////////////////////
void TransactionState::checkShutdown() const {
    if (this->disposed.get()) {
        throw decaf::lang::exceptions::IllegalStateException(
            __FILE__, __LINE__, "Transaction already Disposed");
    }
}

////////////////////////////////////////////////////////////////////////////////
void TransactionState::addProducerState(Pointer<ProducerState> producerState) {
    if (producerState != NULL) {
        // Ensure the producer doesn't hold a link to this TX state to avoid a
        // circular reference that could lead to memory leaks.
        producerState->getTransactionState().reset(NULL);
        producers.put(producerState->getInfo()->getProducerId(), producerState);
    }
}

////////////////////////////////////////////////////////////////////////////////
const decaf::util::Collection<Pointer<ProducerState> >& TransactionState::getProducerStates() {
    return this->producers.values();
}