/** * Copyright (c) 2011, SOCIETIES Consortium (WATERFORD INSTITUTE OF TECHNOLOGY (TSSG), HERIOT-WATT UNIVERSITY (HWU), SOLUTA.NET * (SN), GERMAN AEROSPACE CENTRE (Deutsches Zentrum fuer Luft- und Raumfahrt e.V.) (DLR), Zavod za varnostne tehnologije * informacijske družbe in elektronsko poslovanje (SETCCE), INSTITUTE OF COMMUNICATION AND COMPUTER SYSTEMS (ICCS), LAKE * COMMUNICATIONS (LAKE), INTEL PERFORMANCE LEARNING SOLUTIONS LTD (INTEL), PORTUGAL TELECOM INOVAÇÃO, SA (PTIN), IBM Corp., * INSTITUT TELECOM (ITSUD), AMITEC DIACHYTI EFYIA PLIROFORIKI KAI EPIKINONIES ETERIA PERIORISMENIS EFTHINIS (AMITEC), TELECOM * ITALIA S.p.a.(TI), TRIALOG (TRIALOG), Stiftelsen SINTEF (SINTEF), NEC EUROPE LTD (NEC)) * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following * conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.societies.android.api.context.model; import java.util.Date; import org.societies.api.context.model.CtxModelType; import android.os.Parcel; import android.os.Parcelable; /** * Base class for representing context model objects. This class defines methods * for accessing information common to all <code>ACtxModelOject</code> * implementations. More specifically, every context model object can be referenced * by its {@link ACtxIdentifier}. In addition, upon modification of a ACtxModelOject * the last modification time is updated. * * @see CtxModelType * @author <a href="mailto:nicolas.liampotis@cn.ntua.gr">Nicolas Liampotis</a> (ICCS) * @since 0.0.1 */ public abstract class ACtxModelObject implements Parcelable { /** The identifier of this context model object. */ private ACtxIdentifier id; /** The last modification time of this context model object. */ private Date lastModified = new Date(); /** * Making class Parcelable */ public int describeContents() { return 0; } public void writeToParcel(Parcel out, int flags) { // out.writeInt(mData); out.writeParcelable((Parcelable) this.getId(), flags); out.writeLong(lastModified.getTime()); } /* public static final Parcelable.Creator<ACtxModelObject> CREATOR = new Parcelable.Creator<ACtxModelObject>() { public ACtxModelObject createFromParcel(Parcel in) { return new ACtxModelObject(in); } public ACtxModelObject[] newArray(int size) { return new ACtxModelObject[size]; } };*/ protected ACtxModelObject(Parcel in) { // mData = in.readInt(); id = in.readParcelable(ACtxIdentifier.class.getClassLoader()); lastModified.setTime(in.readLong()); } /** * Constructs a ACtxModelObject with the specified identifier * * @param id * the identifier of the newly created context model object */ protected ACtxModelObject(ACtxIdentifier id) { this.id = id; } /** * Returns the identifier of this context model object * * @return the identifier of this context model object * @see ACtxIdentifier */ public ACtxIdentifier getId(){ return this.id; } /** * Returns the last modification time of this context model object * * @return the last modification time of this context model object */ public Date getLastModified(){ return this.lastModified; } void setLastModified(Date lastModified) { this.lastModified = lastModified; } /** * Returns the IIdentity String representation of the CSS or CIS where the * identified context model object is stored * * @return the IIdentity String representation of the CSS or CIS where the * identified context model object is stored * @see ACtxIdentifier#getOwnerId() */ public String getOwnerId() { return this.getId().getOwnerId(); } /** * Returns the model type of this context model object, i.e. Entity, * Attribute or Association * * @return the enum constant for the context model type * @see ACtxIdentifier#getModelType() */ public CtxModelType getModelType() { return this.getId().getModelType(); } /** * Returns the semantic tag (e.g. "person") of this context model object * * @return the semantic tag of this context model object * @see ACtxIdentifier#getType() */ public String getType() { return this.getId().getType(); } /** * Returns the numeric part of this context model object identifier * * @return the numeric part of this context model object identifier * @see ACtxIdentifier#getObjectNumber() */ public Long getObjectNumber() { return this.getId().getObjectNumber(); } /* TODO * Returns a String representation of this context model object * * @return a String representation of this context model object * @Override public String toString() { }*/ /** * @see java.lang.Object#hashCode() * @since 0.0.2 */ @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((this.id == null) ? 0 : this.id.hashCode()); return result; } /** * @see java.lang.Object#equals(java.lang.Object) * @since 0.0.2 */ @Override public boolean equals(Object that) { if (this == that) return true; if (that == null) return false; if (this.getClass() != that.getClass()) return false; ACtxModelObject other = (ACtxModelObject) that; if (this.id == null) { if (other.id != null) return false; } else if (!this.id.equals(other.id)) return false; return true; } }