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path: root/java/src/IceInternal/DirectReference.java
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// **********************************************************************
//
// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************

package IceInternal;

public class DirectReference extends RoutableReference
{
    public
    DirectReference(Instance inst,
                    Ice.Communicator com,
                    Ice.Identity ident,
                    java.util.Map ctx,
                    String fs,
                    int md,
                    boolean sec,
                    boolean prefSec,
                    EndpointI[] endpts,
                    RouterInfo rtrInfo,
                    boolean collocationOpt,
                    boolean cacheConnection,
                    Ice.EndpointSelectionType endpointSelection,
                    boolean threadPerConnection)
    {
        super(inst, com, ident, ctx, fs, md, sec, prefSec, rtrInfo, collocationOpt, cacheConnection, endpointSelection,
              threadPerConnection);
        _endpoints = endpts;
    }

    public String
    getAdapterId()
    {
        return "";
    }

    public EndpointI[] 
    getEndpoints()
    {
        return _endpoints;
    }

    public int
    getLocatorCacheTimeout()
    {
        return 0;
    }

    public Reference
    changeLocator(Ice.LocatorPrx newLocator)
    {
        return this;
    }

    public Reference
    changeCompress(boolean newCompress)
    {
        DirectReference r = (DirectReference)super.changeCompress(newCompress);
        if(r != this) // Also override the compress flag on the endpoints if it was updated.
        {
            EndpointI[] newEndpoints = new EndpointI[_endpoints.length];
            for(int i = 0; i < _endpoints.length; i++)
            {
                newEndpoints[i] = _endpoints[i].compress(newCompress);
            }
            r._endpoints = newEndpoints;
        }
        return r;
    }

    public Reference
    changeTimeout(int newTimeout)
    {
        DirectReference r = (DirectReference)super.changeTimeout(newTimeout);
        if(r != this) // Also override the timeout on the endpoints if it was updated.
        {
            EndpointI[] newEndpoints = new EndpointI[_endpoints.length];
            for(int i = 0; i < _endpoints.length; i++)
            {
                newEndpoints[i] = _endpoints[i].timeout(newTimeout);
            }
            r._endpoints = newEndpoints;
        }
        return r;
    }

    public Reference
    changeConnectionId(String connectionId)
    {
        DirectReference r = (DirectReference)super.changeConnectionId(connectionId);
        if(r != this) // Also override the connection id on the endpoints if it was updated.
        {
            EndpointI[] newEndpoints = new EndpointI[_endpoints.length];
            for(int i = 0; i < _endpoints.length; i++)
            {
                newEndpoints[i] = _endpoints[i].connectionId(connectionId);
            }
            r._endpoints = newEndpoints;
        }
        return r;
    }

    public Reference
    changeAdapterId(String newAdapterId)
    {
        if(newAdapterId == null || newAdapterId.length() == 0)
        {
            return this;
        }
        LocatorInfo locatorInfo = 
            getInstance().locatorManager().get(getInstance().referenceFactory().getDefaultLocator());
        return getInstance().referenceFactory().create(getIdentity(), getContext(), getFacet(), getMode(),
                                                       getSecure(), getPreferSecure(), newAdapterId, getRouterInfo(),
                                                       locatorInfo, getCollocationOptimization(), getCacheConnection(),
                                                       getEndpointSelection(), getThreadPerConnection(),
                                                       getLocatorCacheTimeout());
    }

    public Reference
    changeEndpoints(EndpointI[] newEndpoints)
    {
        if(java.util.Arrays.equals(newEndpoints, _endpoints))
        {
            return this;
        }

        DirectReference r = (DirectReference)getInstance().referenceFactory().copy(this);
        r._endpoints = newEndpoints;
        r.applyOverrides(r._endpoints);
        return r;
    }

    public Reference
    changeLocatorCacheTimeout(int newTimeout)
    {
        return this;
    }

    public void
    streamWrite(BasicStream s)
        throws Ice.MarshalException
    {
        super.streamWrite(s);

        s.writeSize(_endpoints.length);
        if(_endpoints.length > 0)
        {
            for(int i = 0; i < _endpoints.length; i++)
            {
                _endpoints[i].streamWrite(s);
            }
        }
        else
        {
            s.writeString(""); // Adapter id.
        }
    }

    public String
    toString()
    {
        //
        // WARNING: Certain features, such as proxy validation in Glacier2,
        // depend on the format of proxy strings. Changes to toString() and
        // methods called to generate parts of the reference string could break
        // these features. Please review for all features that depend on the
        // format of proxyToString() before changing this and related code.
        //
        StringBuffer s = new StringBuffer();
        s.append(super.toString());

        for(int i = 0; i < _endpoints.length; i++)
        {
            String endp = _endpoints[i].toString();
            if(endp != null && endp.length() > 0)
            {
                s.append(':');
                s.append(endp);
            }
        }
        return s.toString();
    }

    public Ice.ConnectionI
    getConnection(Ice.BooleanHolder comp)
    {
        EndpointI[] endpts = super.getRoutedEndpoints();
        applyOverrides(endpts);

        if(endpts.length == 0)
        {
            endpts = _endpoints; // Endpoint overrides are already applied on these endpoints.
        }

        Ice.ConnectionI connection = createConnection(endpts, comp);

        //
        // If we have a router, set the object adapter for this router
        // (if any) to the new connection, so that callbacks from the
        // router can be received over this new connection.
        //
        if(getRouterInfo() != null)
        {
            connection.setAdapter(getRouterInfo().getAdapter());
        }

        assert(connection != null);
        return connection;
    }

    public boolean
    equals(java.lang.Object obj)
    {
        if(this == obj)
        {
            return true;
        }
        if(!(obj instanceof DirectReference))
        {
            return false;
        }
        DirectReference rhs = (DirectReference)obj;
        if(!super.equals(rhs))
        {
            return false;
        }
        return java.util.Arrays.equals(_endpoints, rhs._endpoints);
    }

    private EndpointI[] _endpoints;
}