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package org.mule.transport; |
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import java.io.ObjectStreamException; |
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import java.io.Serializable; |
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20 | 2 | public final class NullPayload implements Serializable |
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{ |
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private static final long serialVersionUID = 3530905899811505080L; |
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27 | 56 | private static class NullPayloadHolder |
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{ |
29 | 2 | private static final NullPayload instance = new NullPayload(); |
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} |
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public static NullPayload getInstance() |
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{ |
34 | 54 | return NullPayloadHolder.instance; |
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} |
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private NullPayload() |
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{ |
39 | 2 | super(); |
40 | 2 | } |
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private Object readResolve() throws ObjectStreamException |
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{ |
44 | 2 | return NullPayloadHolder.instance; |
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} |
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public boolean equals(Object obj) |
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{ |
50 | 4 | return obj instanceof NullPayload; |
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} |
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public int hashCode () |
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{ |
56 | 0 | return 1; |
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} |
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public String toString() |
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{ |
62 | 4 | return "{NullPayload}"; |
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} |
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} |