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java.lang.Object org.apache.lucene.util.AttributeImpl org.apache.lucene.analysis.tokenattributes.PositionIncrementAttributeImpl
public class PositionIncrementAttributeImpl
The positionIncrement determines the position of this token
relative to the previous Token in a TokenStream
, used in phrase
searching.
The default value is one.
Some common uses for this are:
Constructor Summary | |
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PositionIncrementAttributeImpl()
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Method Summary | |
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void |
clear()
Clears the values in this AttributeImpl and resets it to its default value. |
void |
copyTo(AttributeImpl target)
Copies the values from this Attribute into the passed-in target attribute. |
boolean |
equals(Object other)
All values used for computation of AttributeImpl.hashCode()
should be checked here for equality. |
int |
getPositionIncrement()
Returns the position increment of this Token. |
int |
hashCode()
Subclasses must implement this method and should compute a hashCode similar to this: |
void |
setPositionIncrement(int positionIncrement)
Set the position increment. |
Methods inherited from class org.apache.lucene.util.AttributeImpl |
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clone, toString |
Methods inherited from class java.lang.Object |
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finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public PositionIncrementAttributeImpl()
Method Detail |
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public void setPositionIncrement(int positionIncrement)
setPositionIncrement
in interface PositionIncrementAttribute
positionIncrement
- the distance from the prior termpublic int getPositionIncrement()
getPositionIncrement
in interface PositionIncrementAttribute
setPositionIncrement(int)
public void clear()
AttributeImpl
clear
in class AttributeImpl
public boolean equals(Object other)
AttributeImpl
AttributeImpl.hashCode()
should be checked here for equality.
see also Object.equals(Object)
equals
in class AttributeImpl
public int hashCode()
AttributeImpl
public int hashCode() { int code = startOffset; code = code * 31 + endOffset; return code; }see also
AttributeImpl.equals(Object)
hashCode
in class AttributeImpl
public void copyTo(AttributeImpl target)
AttributeImpl
copyTo
in class AttributeImpl
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