Connection.java

package com.vesoft.nebula.client.graph.net;
 
import com.vesoft.nebula.client.graph.data.HostAddress;
import com.vesoft.nebula.client.graph.data.SSLParam;
import com.vesoft.nebula.client.graph.exception.ClientServerIncompatibleException;
import com.vesoft.nebula.client.graph.exception.IOErrorException;
import java.io.Serializable;
import java.util.Map;
 
public abstract class Connection implements Serializable {
 
    private static final long serialVersionUID = -8425216612015802331L;
 
    protected HostAddress serverAddr = null;
 
    public HostAddress getServerAddress() {
        return this.serverAddr;
    }
 
    public abstract void open(HostAddress address, int timeout, SSLParam sslParam)
            throws IOErrorException, ClientServerIncompatibleException;
 
    public abstract void open(HostAddress address, int timeout,
                              SSLParam sslParam, boolean isUseHttp2, Map<String, String> headers)
            throws IOErrorException, ClientServerIncompatibleException;
 
 
    public abstract void open(HostAddress address, int timeout) throws IOErrorException,
            ClientServerIncompatibleException;
 
    public abstract void open(HostAddress address, int timeout,
                              boolean isUseHttp2, Map<String, String> headers)
            throws IOErrorException, ClientServerIncompatibleException;
 
    public abstract void reopen() throws IOErrorException, ClientServerIncompatibleException;
 
    public abstract void close();
 
    public abstract boolean ping();
 
    public abstract boolean ping(long sessionID);
}