Package org.apache.wicket.serialize.java
Class DeflatedJavaSerializer
- java.lang.Object
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- org.apache.wicket.serialize.java.JavaSerializer
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- org.apache.wicket.serialize.java.DeflatedJavaSerializer
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- All Implemented Interfaces:
ISerializer
public class DeflatedJavaSerializer extends JavaSerializer
AJavaSerializer
that deflates the outputstream on the fly, reducing page store size by up to a factor 8. Be advised that deflating serialized objects comes at a price of about 2-20ms per page request, depending on the size of the page and the cpu power of the machine.To use this serializer, put the following code in your application's init:
getFrameworkSettings().setSerializer(new DeflatedJavaSerializer(getApplicationKey()));
- Author:
- papegaaij
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Constructor Summary
Constructors Constructor Description DeflatedJavaSerializer(java.lang.String applicationKey)
Construct.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected java.util.zip.Deflater
createDeflater()
Creates theDeflater
.protected java.io.ObjectInputStream
newObjectInputStream(java.io.InputStream in)
Gets a new instance of anObjectInputStream
with the providedInputStream
.protected java.io.ObjectOutputStream
newObjectOutputStream(java.io.OutputStream out)
Gets a new instance of anObjectOutputStream
with the providedOutputStream
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Methods inherited from class org.apache.wicket.serialize.java.JavaSerializer
deserialize, serialize
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Method Detail
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newObjectOutputStream
protected java.io.ObjectOutputStream newObjectOutputStream(java.io.OutputStream out) throws java.io.IOException
Description copied from class:JavaSerializer
Gets a new instance of anObjectOutputStream
with the providedOutputStream
.- Overrides:
newObjectOutputStream
in classJavaSerializer
- Parameters:
out
- The output stream that should be used for the writing- Returns:
- a new object output stream instance
- Throws:
java.io.IOException
- if an I/O error occurs while writing stream header
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createDeflater
protected java.util.zip.Deflater createDeflater()
Creates theDeflater
. Override this method to customize the deflater, for example to change the compression level and/or strategy.- Returns:
- the
Deflater
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newObjectInputStream
protected java.io.ObjectInputStream newObjectInputStream(java.io.InputStream in) throws java.io.IOException
Description copied from class:JavaSerializer
Gets a new instance of anObjectInputStream
with the providedInputStream
.- Overrides:
newObjectInputStream
in classJavaSerializer
- Parameters:
in
- The input stream that should be used for the reading- Returns:
- a new object input stream instance
- Throws:
java.io.IOException
- if an I/O error occurs while reading stream header
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