Thread: [Tm4j-commits] CVS: tm4j/src/com/techquila/topicmap/ozone OzoneAssociation.java,NONE,1.1 OzoneAssoci

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Update of /cvsroot/tm4j/tm4j/src/com/techquila/topicmap/ozone
In directory usw-pr-cvs1:/tmp/cvs-serv10403

Added Files:
	OzoneAssociation.java OzoneAssociationImpl.java 
	OzoneBaseName.java OzoneBaseNameImpl.java OzoneMember.java 
	OzoneMemberImpl.java OzoneOccurrence.java 
	OzoneOccurrenceImpl.java OzoneScope.java OzoneScopeImpl.java 
	OzoneScopedObject.java OzoneScopedObjectImpl.java 
	OzoneTopic.java OzoneTopicImpl.java OzoneTopicMap.java 
	OzoneTopicMapFactoryImpl.java OzoneTopicMapImpl.java 
	OzoneTopicMapObject.java OzoneTopicMapObjectImpl.java 
	OzoneTopicMapUtils.java OzoneTopicMapUtilsImpl.java 
	OzoneVariant.java OzoneVariantImpl.java OzoneVariantName.java 
	OzoneVariantNameImpl.java 
Log Message:
- initial checkin

--- NEW FILE: OzoneAssociation.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the Infozone Software License version 2 published by the Infozone Group
 * (http://www.infozone-group.org).
 * 
 * Copyright (C) @year@ by The Infozone Group. All rights reserved.
 * 
 * $Id: OzoneAssociation.java,v 1.1 2001/05/29 17:32:45 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import com.techquila.topicmap.Association;
import com.techquila.topicmap.Topic;
import com.techquila.topicmap.Member;

import org.ozoneDB.OzoneRemote;

/**
 * This interface describes a single topic association link.
 *
 * The type of the Association is defined by an optional string and/or an optional Topic
 * An Association contains of one or more Member objects
 * which define the members of the association link and may include
 * a Scope object whichs define the scope of validity of the Association.
 *
 * @see com.techquila.topicmap.Topic
 * @see com.techquila.topicmap.Member
 * @see com.techquila.topicmap.ScopedObject
 */
public abstract interface OzoneAssociation extends OzoneScopedObject, Association {

    public void dispose(); // update

    /**
     * Defines the member constructs which are members of this association.
     *
     * @param roles An array of Member objects to be set as members of the link.
     * @return An unmodifiable Collection of Member objects.
     * @see Member
     */
    public void setMembers( Member[] roles ); // update

    /**
     * Adds a Member as a member role of the association.
     *
     * @param role The Member to be added.
     * @see Member
     */
    public void addMember( Member member ); // update

    /**
     * Removes a member from the roles of this association.
     *
     * @param member The member to be removed.
     */
    public void removeMember( Member member ); // update

    /**
     * Sets the Topic defining the type of this Association.
     *
     * @param type The Topic to define the type of the association.
     */
    public void setType( Topic type ); // update

}

--- NEW FILE: OzoneAssociationImpl.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the Infozone Software License version 2 published by the Infozone Group
 * (http://www.infozone-group.org).
 * 
 * Copyright (C) @year@ by The Infozone Group. All rights reserved.
 * 
 * $Id: OzoneAssociationImpl.java,v 1.1 2001/05/29 17:32:45 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import com.techquila.topicmap.Topic;
import com.techquila.topicmap.Member;
import com.techquila.topicmap.TMTypes;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.Collection;
import java.util.Collections;

/**
 * Instances of this class represent a single topic association link.
 * Each Association is defined by a single Topic describing the type of
 * the association and consists of one or more Member objects which define
 * the members of the association link and may include one or more scoping
 * Topics which define the scope of validity of the Association.
 *
 * @see com.techquila.topicmap.Topic
 * @see com.techquila.topicmap.Member
 */
public class OzoneAssociationImpl extends OzoneScopedObjectImpl 
        implements OzoneAssociation {

    final static long serialVersionUID = 1L;

    protected Topic m_type;
    protected ArrayList m_members;

    /**
     * Constructs a new AssociationImpl with an assigned ID.
     *
     * @param id The unique identifier assigned to the AssociationImpl object.
     */
    public OzoneAssociationImpl() {
        m_type = null;
        m_members = null;
    }

    /**
     * Cleans up the Association by notifying all of its contained
     * Member objects to drop their back-pointers.
     */
    public void dispose() {
// FIXME:
//        m_type = null;
//        if (m_members != null) {
//            Iterator it = m_members.iterator();
//            while (it.hasNext()) {
//                try {
//                    MemberImpl ar = (MemberImpl)it.next();
//                    ar.dispose();
//                } catch (ClassCastException ex) {
//                } 
//            } 
//        } 
    } 

    /**
     * Constructor for creating an Association object.
     *
     * @param id      A unique identifier to be assigned to the Association.
     * @param type    A Topic object defining the type of the Association.
     *                This parameter may be null if there is no Topic defining
     *                the type of the link.
     * @param members An array of Member objects each defining one of the roles
     *                of the link. This parameter may be null if there are no
     *                Members defined for the Association yet.
     * @param scope   The scope of validity of the association. This parameter
     *                may be null if the scope of the Association is currently
     *                the unconstrained scope.
     */
//    public AssociationImpl( String id, Topic type, Member[] members,
//            Scope scope ) {
//        super( scope );
//        setID( id );
//        m_type = type;
//        m_members = null;
//        if (members != null) {
//            setMembers( members );
//        } 
//    }

    /** */    
    public Collection getMembers() {
        Collection ret = m_members;
        if (ret == null) {
            ret = new ArrayList();
        } 
        return Collections.unmodifiableCollection( ret );
    } 

    /** */    
    public void setMembers( Member[] members ) {
        ArrayList oldMembers = null;
        if (m_members != null) {
            new ArrayList( m_members );
        }

        m_members = new ArrayList();
        for (int i = 0; i < members.length; i++) {
            members[i].setParent( this );
            m_members.add( members[i] );
        } 

        firePropertyChange( "members", oldMembers, m_members );
    } 

    /** */    
    public void addMember( Member member ) {
        ArrayList oldMembers = null;
        if (m_members != null) {
            new ArrayList( m_members );
        }

        if (m_members == null) {
            m_members = new ArrayList();
        } 
        m_members.add( member );
        member.setParent( this );

        firePropertyChange( "members", oldMembers, m_members );
    } 

    /** */    
    public void removeMember( Member member ) {
        if (m_members != null) {

            ArrayList oldMembers = new ArrayList( m_members );

            if (m_members.contains( member )) {
                m_members.remove( member );
                if (m_members.isEmpty()) {
                    m_members = null;
                } 
                member.setParent( null );
            } 

            firePropertyChange( "members", oldMembers, m_members );
        } 
    } 

    /**
     * @return The Topic defining the type of this Association. If there is no such Topic,
     * null is returned.
     */
    public Topic getType() {
        return m_type;
    } 

    /**
     * Sets the Topic defining the type of this Association.
     * @param type The Topic to define the type of the association.
     */
    public void setType( Topic type ) {
        Topic oldType = m_type;
        m_type = type;
        firePropertyChange( "type", oldType, m_type );
    } 

    /**
     * @return True if the type of this Association is defined by the topic <i>type</i>
     */
    public boolean ofType( Topic type ) {
        if (m_type == null) {
            return false;
        } 
        return m_type == type;
    } 

    /** */
    public int getObjectType() {
        return TMTypes.TM_ASSOC;
    } 

    /** */
    public Member getMemberOfRole( Topic roleSpec ) {
        Iterator it = m_members.iterator();
        while (it.hasNext()) {
            Member m = (Member)it.next();
            Topic rs = m.getRoleSpec();
            if (rs != null && rs.getBaseTopic().equals(
                    roleSpec.getBaseTopic() )) {
                return m;
            } 
        } 

        return null;
    } 
}

--- NEW FILE: OzoneBaseName.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the Infozone Software License version 2 published by the Infozone Group
 * (http://www.infozone-group.org).
 * 
 * Copyright (C) @year@ by The Infozone Group. All rights reserved.
 * 
 * $Id: OzoneBaseName.java,v 1.1 2001/05/29 17:32:45 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import com.techquila.topicmap.BaseName;
import com.techquila.topicmap.Variant;
import com.techquila.topicmap.NamedObject;

import org.ozoneDB.OzoneRemote;

/** */
public interface OzoneBaseName extends OzoneScopedObject, BaseName {

    public void setString( String data ); // update

    public void setVariants( Variant[] variants );  // update

    public void addVariant( Variant variant ); // update

    public void setParent( NamedObject parent ); // update

}

--- NEW FILE: OzoneBaseNameImpl.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the Infozone Software License version 2 published by the Infozone Group
 * (http://www.infozone-group.org).
 * 
 * Copyright (C) @year@ by The Infozone Group. All rights reserved.
 * 
 * $Id: OzoneBaseNameImpl.java,v 1.1 2001/05/29 17:32:45 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import com.techquila.topicmap.TMTypes;
import com.techquila.topicmap.NamedObject;
import com.techquila.topicmap.Variant;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;

import java.beans.PropertyChangeEvent;

/**
 */
public class OzoneBaseNameImpl extends OzoneScopedObjectImpl 
        implements OzoneBaseName {

    final static long serialVersionUID = 1L;

    private NamedObject m_parent;
    protected String m_string;
    private ArrayList m_variants;

    public OzoneBaseNameImpl() {
        m_parent = null;
        m_string = null;
        m_variants = null;
    }

    public void setParent( NamedObject parent ) {
        m_parent = parent;
    } 

    public NamedObject getParent() {
        return m_parent;
    } 

    public void setString( String str ) {
        String oldString = m_string;
        m_string = str;
        firePropertyChange( "string", oldString, m_string );
    } 

    public String getString() {
        return m_string;
    } 

    public void setVariants( Variant[] variants ) {
        ArrayList oldVariants = null;
        if (m_variants != null) {
            oldVariants = new ArrayList( m_variants );
        }

        if (variants == null || variants.length == 0) {
            m_variants = null;
        } else {
            m_variants = new ArrayList();
            for (int i = 0; i < variants.length; i++) {
                m_variants.add( variants[i] );
            } 
        } 

        firePropertyChange( "variants", oldVariants, m_variants );
    } 

    public void addVariant( Variant v ) {
        ArrayList oldVariants = null;
        if (m_variants != null) {
            oldVariants = new ArrayList( m_variants );
        }

        if (m_variants == null) {
            m_variants = new ArrayList();
        } 
        m_variants.add( v );

        firePropertyChange( "variants", oldVariants, m_variants );
    } 

    public Collection getVariants() {
        if (m_variants == null) {
            return Collections.unmodifiableCollection( new ArrayList() );
        } else {
            return Collections.unmodifiableCollection( m_variants );
        } 
    } 

    public int getObjectType() {
        return TMTypes.TM_BASENAME;
    } 

    /**
     * Handles property change events received from the contained
     * Scope object. In particular, handles change in the scopeString property
     * by notifying listeners of a change of scoped name
     */
    public void propertyChange( PropertyChangeEvent ev ) {
        if (ev.getPropertyName().equals( "scopeString" )) {
            String oldScopedName = (String)ev.getOldValue() + "." + getID();
            String newScopedName = getScope().toString() + "." + getID();
            firePropertyChange( "scopeString", oldScopedName, newScopedName );
        }

        super.propertyChange( ev );
    }

}

--- NEW FILE: OzoneMember.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the Infozone Software License version 2 published by the Infozone Group
 * (http://www.infozone-group.org).
 * 
 * Copyright (C) @year@ by The Infozone Group. All rights reserved.
 * 
 * $Id: OzoneMember.java,v 1.1 2001/05/29 17:32:45 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import com.techquila.topicmap.Member;
import com.techquila.topicmap.Association;
import com.techquila.topicmap.Topic;

import org.ozoneDB.OzoneRemote;

/** */
public interface OzoneMember extends OzoneTopicMapObject, Member {

    public void setParent( Association parent ); // update

    public void setRoleSpec( Topic roleSpec ); // update

    public void addPlayer( Topic player ); // update

    public void setPlayers( Topic[] players ); // update

}

--- NEW FILE: OzoneMemberImpl.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the Infozone Software License version 2 published by the Infozone Group
 * (http://www.infozone-group.org).
 * 
 * Copyright (C) @year@ by The Infozone Group. All rights reserved.
 * 
 * $Id: OzoneMemberImpl.java,v 1.1 2001/05/29 17:32:45 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import com.techquila.topicmap.Member;
import com.techquila.topicmap.Association;
import com.techquila.topicmap.Topic;
import com.techquila.topicmap.TMTypes;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;

/** 
 */
public class OzoneMemberImpl extends OzoneScopedObjectImpl 
        implements OzoneMember {

    final static long serialVersionUID = 1L;

    /** */
    protected Association m_parent;
    protected Topic m_roleSpec;
    protected ArrayList m_players;

    /** */    
    public OzoneMemberImpl() {
    }

    /**
     * Applications should not call this function directly.
     * It is called indirectly from Association.addMember(), Association.removeMember() and Association.setMembers()
     */
    public void setParent( Association parent ) {
        Association oldParent = m_parent;

        m_parent = parent;

        firePropertyChange( "parent", oldParent, m_parent );
    } 

    public Association getParent() {
        return m_parent;
    } 

    public void setRoleSpec( Topic roleSpec ) {
        Topic oldRoleSpec = m_roleSpec;

        m_roleSpec = roleSpec;

        firePropertyChange("roleSpec", oldRoleSpec, m_roleSpec);
    } 

    public Topic getRoleSpec() {
        return m_roleSpec;
    } 

    public void addPlayer( Topic player ) {
        ArrayList oldPlayers = null;
        if (m_players != null) {
            oldPlayers = new ArrayList( m_players );
        } 

        if (m_players == null) {
            m_players = new ArrayList();
        } 

        m_players.add( player );
        player.addRolePlayed( this );

        firePropertyChange( "players", oldPlayers, m_players );
    } 

    public void setPlayers( Topic[] players ) {
        ArrayList oldPlayers = null;
        if (m_players != null) {
            oldPlayers = new ArrayList( m_players );
        } 

        if (players == null || players.length == 0) {
            m_players = null;

        } else {
            m_players = new ArrayList();
            for (int i = 0; i < players.length; i++) {
                m_players.add( players[i] );
                players[i].addRolePlayed( this );
            } 
        } 
    } 

    public Collection getPlayers() {
        if (m_players == null) {
            return Collections.unmodifiableCollection( new ArrayList() );
        } 
        return Collections.unmodifiableCollection( m_players );
    } 

    public int getObjectType() {
        return TMTypes.TM_MEMBER;
    } 

}

--- NEW FILE: OzoneOccurrence.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the Infozone Software License version 2 published by the Infozone Group
 * (http://www.infozone-group.org).
 * 
 * Copyright (C) @year@ by The Infozone Group. All rights reserved.
 * 
 * $Id: OzoneOccurrence.java,v 1.1 2001/05/29 17:32:45 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import com.techquila.topicmap.Occurrence;
import com.techquila.topicmap.BaseName;
import com.techquila.topicmap.Topic;

import org.ozoneDB.OzoneRemote;

/**
 * This interface defines a single occurence (<code>occurs</code>) construct in a Topic Map.
 *
 * An occurrence is defined by a string rolename and an optional type Topic.
 * An occurrence contains a reference to a resource or in-line resource data.
 *
 * @see Topic
 */
public interface OzoneOccurrence extends OzoneScopedObject, Occurrence {

    /**
     * Sets the Topic defining the type of this Occurrence.
     */
    public void setType( Topic type ); // update

    /**
     * Sets the resource reference associatedc with this occurrence. The new value overwrites
     * any previous resource reference of resource data string.
     */
    public void setResourceRef( String resourceRef ); // update

    /**
     * Sets the resource data string associated with this occurrence. The new value overwrites
     * and previous resource data or resource reference strings.
     */
    public void setResourceData( String resourceData ); // update

    /**
     * Sets the name of this occurrence
     */
    public void setName( BaseName bn ); // update

}

--- NEW FILE: OzoneOccurrenceImpl.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the Infozone Software License version 2 published by the Infozone Group
 * (http://www.infozone-group.org).
 * 
 * Copyright (C) @year@ by The Infozone Group. All rights reserved.
 * 
 * $Id: OzoneOccurrenceImpl.java,v 1.1 2001/05/29 17:32:45 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import com.techquila.topicmap.TMTypes;
import com.techquila.topicmap.BaseName;
import com.techquila.topicmap.Topic;
import com.techquila.utils.URLS;

import java.net.URL;

/**
 * Defines an occurrence instance of a Topic.
 * The type of an Occurrence is defined either by a Topic defining the type.
 * An occurrence may be scoped and may contain either an in-line data resource (as a string) or
 * a reference to an external resource (specified as a URI).
 */
public class OzoneOccurrenceImpl extends OzoneScopedObjectImpl
        implements OzoneOccurrence {

    final static long serialVersionUID = 1L;

    /** */
    protected BaseName m_name;
    protected Topic m_type;
    protected String m_data;
    protected boolean m_isResourceReference;

    /** */    
    public OzoneOccurrenceImpl() {
        m_name = null;
        m_type = null;
        m_data = null;
        m_isResourceReference = false;
    }

    /**
     * Gets the base name of this occurrence.
     * Returns null if no base name is defined for the occurrence.
     */
    public BaseName getName() {
        return m_name;
    } 

    /**
     * Sets the base name of this occurrence
     */
    public void setName( BaseName name ) {
        BaseName oldName = m_name;

        if (m_name != null) {
            m_name.setParent( null );
        } 

        m_name = name;
        if (m_name != null) {
            m_name.setParent( this );
        } 

        firePropertyChange( "name", oldName, m_name );
    } 

    /**
     * @return The Topic defining the type of this Occurrence, or null if no such Topic has been specified.
     */
    public Topic getType() {
        return m_type;
    } 

    /**
     * Sets the Topic defining the type of this Occurrence.
     */
    public void setType( Topic type ) {
        Topic oldType = m_type;
        m_type = type;
        firePropertyChange( "type", oldType, m_type );
    } 

    /**
     * Returns the resource reference associated with this occurrence. This may be null.
     */
    public String getResourceRef() {
        if (!m_isResourceReference) {
            return null;
        } 
        return m_data;
    } 

    /**
     * Sets the resource reference associatedc with this occurrence. The new value overwrites
     * any previous resource reference of resource data string.
     * If the reference is recognised as an HTTP protocol URL, it will be normalised.
     */
    public void setResourceRef( String resourceRef ) {
        String oldRef = getResourceRef();

        try {
            URL du = URLS.normalize( new URL( resourceRef ) );
            m_data = du.toString();
        } catch (Exception ex) {
            m_data = resourceRef;
        } 
        m_isResourceReference = true;

        firePropertyChange("resourceRef", oldRef, m_data);
    } 

    /**
     * Sets the resource data string associated with this occurrence. The new value overwrites
     * and previous resource data or resource reference strings.
     */
    public void setResourceData( String resourceData ) {
        String oldData = getResourceData();

        m_isResourceReference = false;
        m_data = resourceData;

        firePropertyChange("resource", oldData, m_data);
    } 

    /**
     * Gets the resource data string associated with this occurrence. This function returns
     * null if there is no resource data string associated with this occurrence.
     */
    public String getResourceData() {
        if (m_isResourceReference) {
            return null;
        } 

        return m_data;
    } 

    public int getObjectType() {
        return TMTypes.TM_OCCURRENCE;
    } 

}

--- NEW FILE: OzoneScope.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the Infozone Software License version 2 published by the Infozone Group
 * (http://www.infozone-group.org).
 * 
 * Copyright (C) @year@ by The Infozone Group. All rights reserved.
 * 
 * $Id: OzoneScope.java,v 1.1 2001/05/29 17:32:45 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import com.techquila.topicmap.Scope;
import com.techquila.topicmap.Topic;

/**
 */
public interface OzoneScope extends OzoneTopicMapObject, Scope {

    public void setThemes( Topic[] themes ); // update

    public void addTheme( Topic theme ); // update

    public void addScope( Scope scope ); // update

    public void removeThemes(); // update

    public void removeTheme( Topic theme ); // update

    public void setID( String id ); // update

    public void setResourceID( String id ); // update

    public String toString();
}

--- NEW FILE: OzoneScopeImpl.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the Infozone Software License version 2 published by the Infozone Group
 * (http://www.infozone-group.org).
 * 
 * Copyright (C) @year@ by The Infozone Group. All rights reserved.
 * 
 * $Id: OzoneScopeImpl.java,v 1.1 2001/05/29 17:32:45 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import com.techquila.topicmap.TMTypes;
import com.techquila.topicmap.Scope;
import com.techquila.topicmap.Topic;
import com.techquila.topicmap.TopicMapObject;

import java.util.Collection;
import java.util.Collections;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.TreeSet;
import java.util.Iterator;
import java.beans.PropertyChangeEvent;

/**
 */
public class OzoneScopeImpl extends OzoneTopicMapObjectImpl 
        implements OzoneScope {

    final static long serialVersionUID = 1L;

    private HashSet m_themes;
    private String m_stringified;

    public OzoneScopeImpl() {
        m_themes = null;
        m_stringified = UNCONSTRAINED;
    }

    public void setThemes( Topic[] themes ) {
        removeThemes();
        m_themes = new HashSet();
        for (int i = 0; i < themes.length; i++) {
            m_themes.add( themes[i] );
        } 
        stringify();
    } 

    public void addTheme( Topic theme ) {
        if (m_themes == null) {
            m_themes = new HashSet();
        } 
        m_themes.add( theme );

        stringify();
    } 

    public void addScope( Scope scope ) {
        Collection c = scope.getThemes();
        if (c.isEmpty()) {
            return;
        } 

        if (m_themes == null) {
            m_themes = new HashSet();
        } 

        Iterator it = c.iterator();
        while (it.hasNext()) {
            Topic t = (Topic)it.next();
            m_themes.add( t );
        } 
        stringify();
    } 

    public void removeThemes() {
        if (m_themes != null) {
            Iterator themesIt = m_themes.iterator();
            while (themesIt.hasNext()) {
                Topic theme = (Topic)themesIt.next();
                unregister( theme );
            } 
        } 

        m_themes = null;
        m_stringified = UNCONSTRAINED;
    } 

    public void removeTheme( Topic theme ) {
        m_themes.remove( theme );
        if (m_themes.isEmpty()) {
            m_themes = null;
        } 
        stringify();

        // No longer need to listen for changes to this theme Topic
        unregister( theme );
    } 

    public Collection getThemes() {
        if (m_themes == null) {
            return Collections.unmodifiableCollection( new ArrayList() );
        } else {
            return Collections.unmodifiableCollection( m_themes );
        } 
    } 

    public boolean inScope( Topic theme ) {
        if (m_themes == null) {
            return false;
        } 
        Iterator it = m_themes.iterator();
        while (it.hasNext()) {
            Topic t = (Topic)it.next();
            if (t.getID().equals( theme.getID() )) {
                return true;
            } 
            Iterator mit = t.getMergedTopics().iterator();
            while (mit.hasNext()) {
                Topic mt = (Topic)mit.next();
                if (mt.getID().equals( theme.getID() )) {
                    return true;
                } 
            } 
        } 
        return false;
    } 

    public boolean inScope( Topic[] themes ) {
        for (int i = 0; i < themes.length; i++) {
            if (!inScope( themes[i] )) {
                return false;
            } 
        } 
        return true;
    } 

    public boolean inScope( Scope sc ) {
        Iterator themes = sc.getThemes().iterator();
        while (themes.hasNext()) {
            if (!inScope( (Topic)themes.next() )) {
                return false;
            } 
        } 
        return true;
    } 

    public void propertyChange( PropertyChangeEvent e ) {
        if (e.getPropertyName().equals( "baseTopic" )) {
            // Some topic in scope has changed its base topic id.
            // Need to regenerate the stringified scope id.
            System.out.println("base topic in scope altered");
            stringify();
        }
    }

    public void register( Topic t ) {
        ((TopicMapObject)t).addPropertyChangeListener( "baseTopic", this );
    }

    public void unregister( Topic t ) {
        ((TopicMapObject)t).removePropertyChangeListener( this );
    }

    protected void stringify() {
        String oldString = m_stringified;

        if (m_themes == null) {
            m_stringified = UNCONSTRAINED;

        } else {
            TreeSet sortedIds = new TreeSet();
            Iterator it = m_themes.iterator();
            while (it.hasNext()) {
                Topic t = (Topic)it.next();
                register( t );
                sortedIds.add( t.getBaseTopic().getID() );
            } 

            it = sortedIds.iterator();
            StringBuffer s = new StringBuffer();
            while (it.hasNext()) {
                s.append( (String)it.next() );
                if (it.hasNext()) {
                    s.append( "|" );
                } 
            } 
            m_stringified = s.toString();
        } 

        // Finally notify listeners if the scope string has changed
        if (!m_stringified.equals( oldString )) {
            firePropertyChange( "scopeString", oldString, m_stringified );
        }            
    } 

    public int getObjectType() {
        return TMTypes.TM_SCOPE;
    } 

    public int hashCode() {
        return m_stringified.hashCode();
    } 

    public String toString() {
        return m_stringified;
    } 

}

--- NEW FILE: OzoneScopedObject.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the Infozone Software License version 2 published by the Infozone Group
 * (http://www.infozone-group.org).
 * 
 * Copyright (C) @year@ by The Infozone Group. All rights reserved.
 * 
 * $Id: OzoneScopedObject.java,v 1.1 2001/05/29 17:32:45 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import com.techquila.topicmap...

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Thread: [Tm4j-commits] CVS: tm4j/src/com/techquila/topicmap/ozone OzoneAssociation.java,NONE,1.1 OzoneAssoci

tm4j-commits