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ProtocolStack.java
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ProtocolStack.java
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/*
* Copyright (c) 2002-2018 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.causalclustering.protocol.handshake;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import static org.neo4j.causalclustering.protocol.Protocol.ApplicationProtocol;
import static org.neo4j.causalclustering.protocol.Protocol.ModifierProtocol;
public class ProtocolStack
{
private final ApplicationProtocol applicationProtocol;
private final List<ModifierProtocol> modifierProtocols;
public ProtocolStack( ApplicationProtocol applicationProtocol, List<ModifierProtocol> modifierProtocols )
{
this.applicationProtocol = applicationProtocol;
this.modifierProtocols = Collections.unmodifiableList( modifierProtocols );
}
public ApplicationProtocol applicationProtocol()
{
return applicationProtocol;
}
public List<ModifierProtocol> modifierProtocols()
{
return modifierProtocols;
}
@Override
public boolean equals( Object o )
{
if ( this == o )
{
return true;
}
if ( o == null || getClass() != o.getClass() )
{
return false;
}
ProtocolStack that = (ProtocolStack) o;
return Objects.equals( applicationProtocol, that.applicationProtocol ) && Objects.equals( modifierProtocols, that.modifierProtocols );
}
@Override
public int hashCode()
{
return Objects.hash( applicationProtocol, modifierProtocols );
}
@Override
public String toString()
{
return "ProtocolStack{" + "applicationProtocol=" + applicationProtocol + ", modifierProtocols=" + modifierProtocols + '}';
}
public static Builder builder()
{
return new Builder();
}
public static class Builder
{
private ApplicationProtocol applicationProtocol;
private final List<ModifierProtocol> modifierProtocols = new ArrayList<>();
private Builder()
{
}
public Builder modifier( ModifierProtocol modifierProtocol )
{
modifierProtocols.add( modifierProtocol );
return this;
}
public Builder application( ApplicationProtocol applicationProtocol )
{
this.applicationProtocol = applicationProtocol;
return this;
}
ProtocolStack build()
{
return new ProtocolStack( applicationProtocol, modifierProtocols );
}
@Override
public String toString()
{
return "Builder{" + "applicationProtocol=" + applicationProtocol + ", modifierProtocols=" + modifierProtocols + '}';
}
}
}