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• JoinMapLaneView.java

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swim.runtime.lane.JoinMapLaneView Maven / Gradle / Ivy

// Copyright 2015-2019 SWIM.AI inc.
//
// 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 swim.runtime.lane;

import java.util.AbstractMap;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import swim.api.Link;
import swim.api.SwimContext;
import swim.api.agent.AgentContext;
import swim.api.data.MapData;
import swim.api.downlink.MapDownlink;
import swim.api.http.function.DecodeRequestHttp;
import swim.api.http.function.DidRequestHttp;
import swim.api.http.function.DidRespondHttp;
import swim.api.http.function.DoRespondHttp;
import swim.api.http.function.WillRequestHttp;
import swim.api.http.function.WillRespondHttp;
import swim.api.lane.JoinMapLane;
import swim.api.lane.Lane;
import swim.api.lane.function.DidCommand;
import swim.api.lane.function.DidDownlinkMap;
import swim.api.lane.function.DidEnter;
import swim.api.lane.function.DidLeave;
import swim.api.lane.function.DidUplink;
import swim.api.lane.function.WillCommand;
import swim.api.lane.function.WillDownlinkMap;
import swim.api.lane.function.WillEnter;
import swim.api.lane.function.WillLeave;
import swim.api.lane.function.WillUplink;
import swim.concurrent.Conts;
import swim.observable.function.DidClear;
import swim.observable.function.DidRemoveKey;
import swim.observable.function.DidUpdateKey;
import swim.observable.function.WillClear;
import swim.observable.function.WillRemoveKey;
import swim.observable.function.WillUpdateKey;
import swim.runtime.LaneContext;
import swim.structure.Form;
import swim.structure.Value;
import swim.uri.Uri;

public class JoinMapLaneView extends LaneView implements JoinMapLane {
  protected final AgentContext agentContext;
  protected Form linkForm;
  protected Form keyForm;
  protected Form valueForm;

  protected int flags;
  protected JoinMapLaneModel laneBinding;
  protected MapData dataView;

  JoinMapLaneView(AgentContext agentContext, Form linkForm, Form keyForm,
                  Form valueForm, int flags, Object observers) {
    super(observers);
    this.agentContext = agentContext;
    this.linkForm = linkForm;
    this.keyForm = keyForm;
    this.valueForm = valueForm;
    this.flags = flags;
  }

  public JoinMapLaneView(AgentContext agentContext, Form linkForm,
                         Form keyForm, Form valueForm) {
    this(agentContext, linkForm, keyForm, valueForm, RESIDENT, null);
  }

  @Override
  public AgentContext agentContext() {
    return this.agentContext;
  }

  @Override
  public JoinMapLaneModel getLaneBinding() {
    return this.laneBinding;
  }

  void setLaneBinding(JoinMapLaneModel laneBinding) {
    this.laneBinding = laneBinding;
    this.dataView = laneBinding.data.keyForm(this.keyForm).valueForm(this.valueForm);
  }

  @Override
  public JoinMapLaneModel createLaneBinding() {
    return new JoinMapLaneModel(this.flags);
  }

  @Override
  public final Form linkForm() {
    return this.linkForm;
  }

  @Override
  public  JoinMapLaneView linkForm(Form linkForm) {
    return new JoinMapLaneView(this.agentContext, linkForm, this.keyForm, this.valueForm,
                                         this.flags, typesafeObservers(this.observers));
  }

  @Override
  public  JoinMapLaneView linkClass(Class linkClass) {
    return linkForm(Form.forClass(linkClass));
  }

  public void setLinkForm(Form linkForm) {
    this.linkForm = linkForm;
  }

  @Override
  public final Form keyForm() {
    return keyForm;
  }

  @Override
  public  JoinMapLaneView keyForm(Form keyForm) {
    return new JoinMapLaneView(this.agentContext, this.linkForm, keyForm, this.valueForm,
                                         this.flags, typesafeObservers(this.observers));
  }

  @Override
  public  JoinMapLaneView keyClass(Class keyClass) {
    return keyForm(Form.forClass(keyClass));
  }

  public void setKeyForm(Form keyForm) {
    this.keyForm = keyForm;
  }

  @Override
  public final Form valueForm() {
    return valueForm;
  }

  @Override
  public  JoinMapLaneView valueForm(Form valueForm) {
    return new JoinMapLaneView(this.agentContext, this.linkForm, this.keyForm, valueForm,
                                         this.flags, typesafeObservers(this.observers));
  }

  @Override
  public  JoinMapLaneView valueClass(Class valueClass) {
    return valueForm(Form.forClass(valueClass));
  }

  public void setValueForm(Form valueForm) {
    this.valueForm = valueForm;
  }

  protected Object typesafeObservers(Object observers) {
    // TODO: filter out WillDownlinkMap, DidDownlinkMap, WillUpdateKey, DidUpdateKey,
    //       WillRemoveKey, DidRemoveKey, WillClear, DidClear
    return observers;
  }

  public final boolean isResident() {
    return (this.flags & RESIDENT) != 0;
  }

  @Override
  public JoinMapLaneView isResident(boolean isResident) {
    if (isResident) {
      this.flags |= RESIDENT;
    } else {
      this.flags &= ~RESIDENT;
    }
    final JoinMapLaneModel laneBinding = this.laneBinding;
    if (laneBinding != null) {
      laneBinding.isResident(isResident);
    }
    return this;
  }

  void didSetResident(boolean isResident) {
    if (isResident) {
      this.flags |= RESIDENT;
    } else {
      this.flags &= ~RESIDENT;
    }
  }

  public final boolean isTransient() {
    return (this.flags & TRANSIENT) != 0;
  }

  @Override
  public JoinMapLaneView isTransient(boolean isTransient) {
    if (isTransient) {
      this.flags |= TRANSIENT;
    } else {
      this.flags &= ~TRANSIENT;
    }
    final JoinMapLaneModel laneBinding = this.laneBinding;
    if (laneBinding != null) {
      laneBinding.isTransient(isTransient);
    }
    return this;
  }

  void didSetTransient(boolean isTransient) {
    if (isTransient) {
      this.flags |= TRANSIENT;
    } else {
      this.flags &= ~TRANSIENT;
    }
  }

  @Override
  public final boolean isSigned() {
    return (this.flags & SIGNED) != 0;
  }

  @Override
  public JoinMapLaneView isSigned(boolean isSigned) {
    didSetSigned(isSigned);

    // note: marked final given access of concurrently accessed volatile objects
    final JoinMapLaneModel laneBinding = this.laneBinding;

    if (laneBinding != null) {
      laneBinding.isSigned(isSigned);
    }

    return this;
  }

  void didSetSigned(boolean isSigned) {
    if (isSigned) {
      this.flags |= SIGNED;
    } else {
      this.flags &= ~SIGNED;
    }
  }

  @Override
  public void close() {
    this.laneBinding.closeLaneView(this);
  }

  @SuppressWarnings("unchecked")
  @Override
  public JoinMapLaneView observe(Object observer) {
    return (JoinMapLaneView) super.observe(observer);
  }

  @SuppressWarnings("unchecked")
  @Override
  public JoinMapLaneView unobserve(Object observer) {
    return (JoinMapLaneView) super.unobserve(observer);
  }

  @Override
  public JoinMapLaneView willDownlink(WillDownlinkMap willDownlink) {
    return observe(willDownlink);
  }

  @Override
  public JoinMapLaneView didDownlink(DidDownlinkMap didDownlink) {
    return observe(didDownlink);
  }

  @Override
  public JoinMapLaneView willUpdate(WillUpdateKey willUpdate) {
    return observe(willUpdate);
  }

  @Override
  public JoinMapLaneView didUpdate(DidUpdateKey didUpdate) {
    return observe(didUpdate);
  }

  @Override
  public JoinMapLaneView willRemove(WillRemoveKey willRemove) {
    return observe(willRemove);
  }

  @Override
  public JoinMapLaneView didRemove(DidRemoveKey didRemove) {
    return observe(didRemove);
  }

  @Override
  public JoinMapLaneView willClear(WillClear willClear) {
    return observe(willClear);
  }

  @Override
  public JoinMapLaneView didClear(DidClear didClear) {
    return observe(didClear);
  }

  @Override
  public JoinMapLaneView willCommand(WillCommand willCommand) {
    return observe(willCommand);
  }

  @Override
  public JoinMapLaneView didCommand(DidCommand didCommand) {
    return observe(didCommand);
  }

  @Override
  public JoinMapLaneView willUplink(WillUplink willUplink) {
    return observe(willUplink);
  }

  @Override
  public JoinMapLaneView didUplink(DidUplink didUplink) {
    return observe(didUplink);
  }

  @Override
  public JoinMapLaneView willEnter(WillEnter willEnter) {
    return observe(willEnter);
  }

  @Override
  public JoinMapLaneView didEnter(DidEnter didEnter) {
    return observe(didEnter);
  }

  @Override
  public JoinMapLaneView willLeave(WillLeave willLeave) {
    return observe(willLeave);
  }

  @Override
  public JoinMapLaneView didLeave(DidLeave didLeave) {
    return observe(didLeave);
  }

  @Override
  public JoinMapLaneView decodeRequest(DecodeRequestHttp