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• SpatialLaneView.java

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swim.runtime.lane.SpatialLaneView 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.Iterator;
import java.util.Map;
import swim.api.Link;
import swim.api.SwimContext;
import swim.api.agent.AgentContext;
import swim.api.data.SpatialData;
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.Lane;
import swim.api.lane.SpatialLane;
import swim.api.lane.function.DidCommand;
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.WillEnter;
import swim.api.lane.function.WillLeave;
import swim.api.lane.function.WillUplink;
import swim.concurrent.Conts;
import swim.math.Z2Form;
import swim.observable.function.DidClear;
import swim.observable.function.DidMoveShape;
import swim.observable.function.DidRemoveShape;
import swim.observable.function.DidUpdateShape;
import swim.observable.function.WillClear;
import swim.observable.function.WillMoveShape;
import swim.observable.function.WillRemoveShape;
import swim.observable.function.WillUpdateShape;
import swim.runtime.LaneBinding;
import swim.spatial.SpatialMap;
import swim.structure.Form;

public class SpatialLaneView extends LaneView implements SpatialLane {

  protected final AgentContext agentContext;
  protected Form keyForm;
  protected Z2Form shapeForm;
  protected Form valueForm;

  protected SpatialLaneModel laneBinding;
  protected SpatialData dataView;
  protected int flags;

  SpatialLaneView(AgentContext agentContext, Form keyForm, Z2Form shapeForm, Form valueForm,
                  int flags, Object observers) {
    super(observers);
    this.agentContext = agentContext;
    this.keyForm = keyForm;
    this.shapeForm = shapeForm;
    this.valueForm = valueForm;
    this.flags = flags;
  }

  public SpatialLaneView(AgentContext agentContext, Form keyForm, Z2Form shapeForm, Form valueForm) {
    this(agentContext, keyForm, shapeForm, valueForm, 0, null);
  }

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

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

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

  @Override
  public LaneBinding createLaneBinding() {
    return new SpatialLaneModel(shapeForm, flags);
  }

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

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

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

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

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

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

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

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

  protected Object typesafeObservers(Object observers) {
    // TODO: filter out WillUpdateKey, DidUpdateKey, WillRemoveKey, DidRemoveKey,
    //       WillDrop, DidDrop, WillTake, DidTake, WillClear, DidClear
    return observers;
  }

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

  @Override
  public SpatialLane isResident(boolean isResident) {
    if (isResident) {
      this.flags |= RESIDENT;
    } else {
      this.flags &= ~RESIDENT;
    }
    final SpatialLaneModel 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 SpatialLane isTransient(boolean isTransient) {
    if (isTransient) {
      this.flags |= TRANSIENT;
    } else {
      this.flags &= ~TRANSIENT;
    }
    final SpatialLaneModel 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 SpatialLane isSigned(boolean isSigned) {
    didSetSigned(isSigned);
    final SpatialLaneModel 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 SpatialLaneView observe(Object observer) {
    return (SpatialLaneView) super.observe(observer);
  }

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

  @Override
  public SpatialLane willUpdate(WillUpdateShape willUpdate) {
    return observe(willUpdate);
  }

  @Override
  public SpatialLane didUpdate(DidUpdateShape didUpdate) {
    return observe(didUpdate);
  }

  @Override
  public SpatialLane willMove(WillMoveShape willMove) {
    return observe(willMove);
  }

  @Override
  public SpatialLane didMove(DidMoveShape didMove) {
    return observe(didMove);
  }

  @Override
  public SpatialLane willRemove(WillRemoveShape willRemove) {
    return observe(willRemove);
  }

  @Override
  public SpatialLane didRemove(DidRemoveShape didRemove) {
    return observe(didRemove);
  }

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

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

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

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

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

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

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

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

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

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

  @Override
  public SpatialLaneView decodeRequest(DecodeRequestHttp