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Oracle® Coherence Java API Reference Release 3.7.1.0 E22843-01 |
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java.lang.Object
com.tangosol.util.Base
com.tangosol.util.processor.AbstractProcessor
com.tangosol.util.processor.PropertyProcessor
com.tangosol.util.processor.NumberIncrementor
public class NumberIncrementor
The NumberIncrementor entry processor is used to increment a property value of a Number
type. Supported types are: Byte, Short, Integer, Long, Float, Double, BigInteger and BigDecimal.
Field Summary |
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Fields inherited from class com.tangosol.util.processor.PropertyProcessor |
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m_manipulator |
Constructor Summary | |
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NumberIncrementor() Default constructor (necessary for the ExternalizableLite interface). |
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NumberIncrementor(java.lang.String sName, java.lang.Number numInc, boolean fPostIncrement) Construct an NumberIncrementor processor that will increment a property value by a specified amount, returning either the old or the new value as specified. |
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NumberIncrementor(ValueManipulator manipulator, java.lang.Number numInc, boolean fPostIncrement) Construct an NumberIncrementor processor that will increment a property value by a specified amount, returning either the old or the new value as specified. |
Method Summary | |
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protected java.lang.String |
getDescription() Returns this PropertyProcessor's description. |
java.lang.Object |
process(InvocableMap.Entry entry) Process a Map.Entry object. |
void |
readExternal(java.io.DataInput in) Restore the contents of this object by loading the object's state from the passed DataInput object. |
void |
readExternal(PofReader in) Restore the contents of a user type instance by reading its state using the specified PofReader object. |
void |
writeExternal(java.io.DataOutput out) Save the contents of this object by storing the object's state into the passed DataOutput object. |
void |
writeExternal(PofWriter out) Save the contents of a POF user type instance by writing its state using the specified PofWriter object. |
Methods inherited from class com.tangosol.util.processor.PropertyProcessor |
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equals, get, hashCode, set, toString |
Methods inherited from class com.tangosol.util.processor.AbstractProcessor |
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processAll |
Constructor Detail |
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public NumberIncrementor()
public NumberIncrementor(java.lang.String sName, java.lang.Number numInc, boolean fPostIncrement)
sName
- the property namenumInc
- the Number representing the magnitude and sign of the incrementfPostIncrement
- pass true to return the value as it was before it was incremented, or pass false to return the value as it is after it is incrementedpublic NumberIncrementor(ValueManipulator manipulator, java.lang.Number numInc, boolean fPostIncrement)
manipulator
- the ValueManipulator; could be nullnumInc
- the Number representing the magnitude and sign of the incrementfPostIncrement
- pass true to return the value as it was before it was incremented, or pass false to return the value as it is after it is incrementedMethod Detail |
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public java.lang.Object process(InvocableMap.Entry entry)
entry
- the Entry to process Note: if this method throws an exception, all modifications to the supplied entry or any other entries retrieved via the BackingMapContext.getBackingMapEntry(java.lang.Object)
API will be rolled back leaving all underlying values unchanged.protected java.lang.String getDescription()
getDescription
in class PropertyProcessor
public void readExternal(java.io.DataInput in) throws java.io.IOException
readExternal
in interface ExternalizableLite
readExternal
in class PropertyProcessor
in
- the DataInput stream to read data from in order to restore the state of this objectjava.io.IOException
- if an I/O exception occursjava.io.NotActiveException
- if the object is not in its initial state, and therefore cannot be deserialized intopublic void writeExternal(java.io.DataOutput out) throws java.io.IOException
writeExternal
in interface ExternalizableLite
writeExternal
in class PropertyProcessor
out
- the DataOutput stream to write the state of this object tojava.io.IOException
- if an I/O exception occurspublic void readExternal(PofReader in) throws java.io.IOException
readExternal
in interface PortableObject
readExternal
in class PropertyProcessor
in
- the PofReader from which to read the object's statejava.io.IOException
- if an I/O error occurspublic void writeExternal(PofWriter out) throws java.io.IOException
writeExternal
in interface PortableObject
writeExternal
in class PropertyProcessor
out
- the PofWriter to which to write the object's statejava.io.IOException
- if an I/O error occurs
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Oracle® Coherence Java API Reference Release 3.7.1.0 E22843-01 |
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