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Improve implementation of flag methods.
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5291bea6a0
commit
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1 changed files with 4 additions and 3 deletions
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@ -25,6 +25,7 @@ import io.netty.handler.timeout.WriteTimeoutHandler;
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import java.net.ConnectException;
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import java.net.SocketAddress;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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@ -93,12 +94,12 @@ public abstract class TcpSession extends SimpleChannelInboundHandler<Packet> imp
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@Override
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public Map<String, Object> getFlags() {
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return new HashMap<String, Object>(this.flags);
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return Collections.unmodifiableMap(this.flags);
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}
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@Override
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public boolean hasFlag(String key) {
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return this.getFlags().containsKey(key);
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return this.flags.containsKey(key);
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}
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@SuppressWarnings("unchecked")
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@ -109,7 +110,7 @@ public abstract class TcpSession extends SimpleChannelInboundHandler<Packet> imp
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@Override
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public <T> T getFlag(String key, T def) {
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Object value = this.getFlags().get(key);
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Object value = this.flags.get(key);
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if(value == null) {
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return def;
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}
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