public void renegotiateWireFormat()

in openwire-core/src/main/java/org/apache/activemq/openwire/codec/OpenWireFormat.java [560:606]
37 lines of code
9 McCabe index (conditional complexity)

    public void renegotiateWireFormat(WireFormatInfo info) throws IOException {
        if (preferedWireFormatInfo == null) {
            throw new IllegalStateException("Wireformat cannot not be renegotiated.");
        }

        this.setVersion(min(preferedWireFormatInfo.getVersion(), info.getVersion()));
        info.setVersion(this.getVersion());

        this.setMaxFrameSize(min(preferedWireFormatInfo.getMaxFrameSize(), info.getMaxFrameSize()));
        info.setMaxFrameSize(this.getMaxFrameSize());

        this.stackTraceEnabled = info.isStackTraceEnabled() && preferedWireFormatInfo.isStackTraceEnabled();
        info.setStackTraceEnabled(this.stackTraceEnabled);

        this.tcpNoDelayEnabled = info.isTcpNoDelayEnabled() && preferedWireFormatInfo.isTcpNoDelayEnabled();
        info.setTcpNoDelayEnabled(this.tcpNoDelayEnabled);

        this.cacheEnabled = info.isCacheEnabled() && preferedWireFormatInfo.isCacheEnabled();
        info.setCacheEnabled(this.cacheEnabled);

        this.tightEncodingEnabled = info.isTightEncodingEnabled() && preferedWireFormatInfo.isTightEncodingEnabled();
        info.setTightEncodingEnabled(this.tightEncodingEnabled);

        this.sizePrefixDisabled = info.isSizePrefixDisabled() && preferedWireFormatInfo.isSizePrefixDisabled();
        info.setSizePrefixDisabled(this.sizePrefixDisabled);

        if (cacheEnabled) {
            int size = Math.min(preferedWireFormatInfo.getCacheSize(), info.getCacheSize());
            info.setCacheSize(size);

            if (size == 0) {
                size = MARSHAL_CACHE_SIZE;
            }

            marshallCache = new DataStructure[size];
            unmarshallCache = new DataStructure[size];
            nextMarshallCacheIndex = 0;
            nextMarshallCacheEvictionIndex = 0;
            marshallCacheMap = new HashMap<DataStructure, Short>();
        } else {
            marshallCache = null;
            unmarshallCache = null;
            nextMarshallCacheIndex = 0;
            nextMarshallCacheEvictionIndex = 0;
            marshallCacheMap = null;
        }
    }