BaseLink.java

/*
 * Copyright 2011 the original author or authors.
 *
 * Licensed 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.
 */
package io.vertx.ext.amqp.impl.protocol;

import io.vertx.ext.amqp.ErrorCode;
import io.vertx.ext.amqp.MessagingException;
import org.apache.qpid.proton.engine.Link;

import java.util.concurrent.atomic.AtomicBoolean;

abstract class BaseLink {
  private final String _toString;

  String _address;

  Link _link;

  SessionImpl _ssn;

  AtomicBoolean _closed = new AtomicBoolean(false);

  boolean _dynamic = false;

  private Object _ctx;

  BaseLink(SessionImpl ssn, String address, Link link) {
    _address = address;
    _link = link;
    _ssn = ssn;
    _toString = ssn.getConnection().toString() + "/" + address;
  }

  public String getName() {
    return _link.getName();
  }

  public String getAddress() {
    return _address;
  }

  String getTarget() {
    if (_link.getRemoteTarget() != null) {
      return _link.getRemoteTarget().getAddress();
    } else if (_link.getTarget() != null) {
      return _link.getTarget().getAddress();
    } else {
      return null;
    }
  }

  String getSource() {
    if (_link.getRemoteSource() != null) {
      return _link.getRemoteSource().getAddress();
    } else if (_link.getSource() != null) {
      return _link.getSource().getAddress();
    } else {
      return null;
    }
  }

  void checkClosed() throws MessagingException {
    if (_closed.get()) {
      throw new MessagingException("Link is closed", ErrorCode.LINK_CLOSED);
    }
  }

  public void close() {
    closeImpl();
    _ssn.removeLink(_link);
    _ssn.getConnection().write();
  }

  void closeImpl() {
    _closed.set(true);
    _link.close();
  }

  void setDynamicAddress(boolean dynamic) {
    _dynamic = dynamic;
  }

  SessionImpl getSession() {
    return _ssn;
  }

  ConnectionImpl getConnection() {
    return _ssn.getConnection();
  }

  @Override
  public String toString() {
    return _toString;
  }

  Object getContext() {
    return _ctx;
  }

  void setContext(Object ctx) {
    _ctx = ctx;
  }

  Link getProtocolLink() {
    return _link;
  }
}