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Calendar.java
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Calendar.java
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// Copyright 2012,2013 Vaughn Vernon
//
// 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 com.saasovation.collaboration.domain.model.calendar;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import com.saasovation.collaboration.domain.model.collaborator.Owner;
import com.saasovation.collaboration.domain.model.collaborator.Participant;
import com.saasovation.collaboration.domain.model.tenant.Tenant;
import com.saasovation.common.domain.model.DomainEvent;
import com.saasovation.common.domain.model.EventSourcedRootEntity;
public class Calendar extends EventSourcedRootEntity {
private CalendarId calendarId;
private String description;
private String name;
private Owner owner;
private Set<CalendarSharer> sharedWith;
private Tenant tenant;
public Calendar(
Tenant aTenant,
CalendarId aCalendarId,
String aName,
String aDescription,
Owner anOwner,
Set<CalendarSharer> aSharedWith) {
this();
this.assertArgumentNotNull(aTenant, "The tenant must be provided.");
this.assertArgumentNotNull(aCalendarId, "The calendar id must be provided.");
this.assertArgumentNotEmpty(aName, "The name must be provided.");
this.assertArgumentNotEmpty(aDescription, "The description must be provided.");
this.assertArgumentNotNull(anOwner, "The owner must be provided.");
if (aSharedWith == null) {
aSharedWith = new HashSet<CalendarSharer>(0);
}
this.apply(new CalendarCreated(aTenant, aCalendarId, aName,
aDescription, anOwner, aSharedWith));
}
public Calendar(List<DomainEvent> anEventStream, int aStreamVersion) {
super(anEventStream, aStreamVersion);
}
public Set<CalendarSharer> allSharedWith() {
return Collections.unmodifiableSet(this.sharedWith());
}
public CalendarId calendarId() {
return this.calendarId;
}
public void changeDescription(String aDescription) {
this.assertArgumentNotEmpty(aDescription, "The description must be provided.");
this.apply(new CalendarDescriptionChanged(
this.tenant(), this.calendarId(), this.name(), aDescription));
}
public String description() {
return this.description;
}
public String name() {
return this.name;
}
public Owner owner() {
return this.owner;
}
public void rename(String aName) {
this.assertArgumentNotEmpty(aName, "The name must be provided.");
this.apply(new CalendarRenamed(
this.tenant(), this.calendarId(), aName, this.description()));
}
public CalendarEntry scheduleCalendarEntry(
CalendarIdentityService aCalendarIdentityService,
String aDescription,
String aLocation,
Owner anOwner,
TimeSpan aTimeSpan,
Repetition aRepetition,
Alarm anAlarm,
Set<Participant> anInvitees) {
CalendarEntry calendarEntry =
new CalendarEntry(
this.tenant(),
this.calendarId(),
aCalendarIdentityService.nextCalendarEntryId(),
aDescription,
aLocation,
anOwner,
aTimeSpan,
aRepetition,
anAlarm,
anInvitees);
return calendarEntry;
}
public void shareCalendarWith(CalendarSharer aCalendarSharer) {
this.assertArgumentNotNull(aCalendarSharer, "The calendar sharer must be provided.");
if (!this.sharedWith().contains(aCalendarSharer)) {
this.apply(new CalendarShared(this.tenant(), this.calendarId(),
this.name(), aCalendarSharer));
}
}
public void unshareCalendarWith(CalendarSharer aCalendarSharer) {
this.assertArgumentNotNull(aCalendarSharer, "The calendar sharer must be provided.");
if (this.sharedWith().contains(aCalendarSharer)) {
this.apply(new CalendarUnshared(this.tenant(), this.calendarId(),
this.name(), aCalendarSharer));
}
}
public Tenant tenant() {
return this.tenant;
}
@Override
public boolean equals(Object anObject) {
boolean equalObjects = false;
if (anObject != null && this.getClass() == anObject.getClass()) {
Calendar typedObject = (Calendar) anObject;
equalObjects =
this.tenant().equals(typedObject.tenant()) &&
this.calendarId().equals(typedObject.calendarId());
}
return equalObjects;
}
@Override
public int hashCode() {
int hashCodeValue =
+ (87213 * 73)
+ this.tenant().hashCode()
+ this.calendarId().hashCode();
return hashCodeValue;
}
@Override
public String toString() {
return "Calendar [calendarId=" + calendarId + ", description=" + description + ", name=" + name + ", owner=" + owner
+ ", sharedWith=" + sharedWith + ", tenant=" + tenant + "]";
}
protected Calendar() {
super();
}
protected void when(CalendarCreated anEvent) {
this.setCalendarId(anEvent.calendarId());
this.setDescription(anEvent.description());
this.setName(anEvent.name());
this.setOwner(anEvent.owner());
this.setSharedWith(anEvent.sharedWith());
this.setTenant(anEvent.tenant());
}
protected void when(CalendarDescriptionChanged anEvent) {
this.setDescription(anEvent.description());
}
protected void when(CalendarRenamed anEvent) {
this.setName(anEvent.name());
}
protected void when(CalendarShared anEvent) {
this.sharedWith().add(anEvent.calendarSharer());
}
protected void when(CalendarUnshared anEvent) {
this.sharedWith().remove(anEvent.calendarSharer());
}
private void setCalendarId(CalendarId calendarId) {
this.calendarId = calendarId;
}
private void setDescription(String description) {
this.description = description;
}
private void setName(String name) {
this.name = name;
}
private void setOwner(Owner owner) {
this.owner = owner;
}
private Set<CalendarSharer> sharedWith() {
return this.sharedWith;
}
private void setSharedWith(Set<CalendarSharer> sharedWith) {
this.sharedWith = sharedWith;
}
private void setTenant(Tenant tenant) {
this.tenant = tenant;
}
}