Package org.jgroups.protocols
Class TcpHeader
- java.lang.Object
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- org.jgroups.Header
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- org.jgroups.protocols.TcpHeader
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- All Implemented Interfaces:
java.io.Externalizable
,java.io.Serializable
,Streamable
public class TcpHeader extends Header implements Streamable
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description java.lang.String
group_addr
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Fields inherited from class org.jgroups.Header
HDR_OVERHEAD
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
readExternal(java.io.ObjectInput in)
void
readFrom(java.io.DataInputStream in)
Read the state of the current object (including superclasses) from instream Note that the input stream must not be closedint
size()
To be implemented by subclasses.java.lang.String
toString()
void
writeExternal(java.io.ObjectOutput out)
void
writeTo(java.io.DataOutputStream out)
Write the entire state of the current object (including superclasses) to outstream.
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Method Detail
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writeExternal
public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException
- Specified by:
writeExternal
in interfacejava.io.Externalizable
- Throws:
java.io.IOException
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readExternal
public void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException
- Specified by:
readExternal
in interfacejava.io.Externalizable
- Throws:
java.io.IOException
java.lang.ClassNotFoundException
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writeTo
public void writeTo(java.io.DataOutputStream out) throws java.io.IOException
Description copied from interface:Streamable
Write the entire state of the current object (including superclasses) to outstream. Note that the output stream must not be closed- Specified by:
writeTo
in interfaceStreamable
- Throws:
java.io.IOException
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readFrom
public void readFrom(java.io.DataInputStream in) throws java.io.IOException, java.lang.IllegalAccessException, java.lang.InstantiationException
Description copied from interface:Streamable
Read the state of the current object (including superclasses) from instream Note that the input stream must not be closed- Specified by:
readFrom
in interfaceStreamable
- Throws:
java.io.IOException
java.lang.IllegalAccessException
java.lang.InstantiationException
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size
public int size()
Description copied from class:Header
To be implemented by subclasses. Return the size of this object for the serialized version of it. I.e. how many bytes this object takes when flattened into a buffer. This may be different for each instance, or can be the same. This may also just be an estimation. E.g. FRAG uses it on Message to determine whether or not to fragment the message. Fragmentation itself will be accurate, because the entire message will actually be serialized into a byte buffer, so we can determine the exact size.
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