public class MvelManipulator extends Object implements ValueManipulator, ExternalizableLite, PortableObject
Modifier and Type | Field and Description |
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protected ValueExtractor |
m_extractor
The underlying ValueExtractor.
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protected String |
m_sExpr
The MVEL expression to evaluate.
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protected ValueUpdater |
m_updater
The underlying ValueUpdater.
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Constructor and Description |
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MvelManipulator()
Default constructor (necessary for the ExternalizableLite and PortableObject interfaces).
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MvelManipulator(String sExpr)
Construct a MvelManipulator based on an MVEL expression.
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Modifier and Type | Method and Description |
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boolean |
equals(Object o)
Compare the MvelManipulator with another object to determine equality.
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ValueExtractor |
getExtractor()
Retrieve the underlying ValueExtractor reference.
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ValueUpdater |
getUpdater()
Retrieve the underlying ValueUpdater reference.
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int |
hashCode()
Determine a hash value for the MvelManipulator object according to the general
Object.hashCode() contract. |
void |
readExternal(DataInput in)
Restore the contents of this object by loading the object's state from the passed DataInput object.
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void |
readExternal(PofReader in)
Restore the contents of a user type instance by reading its state using the specified PofReader object.
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String |
toString()
Provide a human-readable description of this MvelManipulator object.
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void |
writeExternal(DataOutput out)
Save the contents of this object by storing the object's state into the passed DataOutput object.
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void |
writeExternal(PofWriter out)
Save the contents of a POF user type instance by writing its state using the specified PofWriter object.
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protected String m_sExpr
protected transient ValueExtractor m_extractor
protected transient ValueUpdater m_updater
public MvelManipulator()
public MvelManipulator(String sExpr)
sExpr
- the MVEL expression to evaluatepublic ValueExtractor getExtractor()
getExtractor
in interface ValueManipulator
public ValueUpdater getUpdater()
getUpdater
in interface ValueManipulator
public boolean equals(Object o)
public int hashCode()
Object.hashCode()
contract.public String toString()
public void readExternal(DataInput in) throws IOException
readExternal
in interface ExternalizableLite
in
- the DataInput stream to read data from in order to restore the state of this objectIOException
- if an I/O exception occursNotActiveException
- if the object is not in its initial state, and therefore cannot be deserialized intopublic void writeExternal(DataOutput out) throws IOException
writeExternal
in interface ExternalizableLite
out
- the DataOutput stream to write the state of this object toIOException
- if an I/O exception occurspublic void readExternal(PofReader in) throws IOException
readExternal
in interface PortableObject
in
- the PofReader from which to read the object's stateIOException
- if an I/O error occurspublic void writeExternal(PofWriter out) throws IOException
writeExternal
in interface PortableObject
out
- the PofWriter to which to write the object's stateIOException
- if an I/O error occurs