Class SingleFieldsVisitor
- java.lang.Object
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- org.apache.lucene.index.StoredFieldVisitor
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- org.elasticsearch.index.fieldvisitor.SingleFieldsVisitor
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public final class SingleFieldsVisitor extends StoredFieldVisitor
StoredFieldVisitor that loads a single field value.
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.lucene.index.StoredFieldVisitor
StoredFieldVisitor.Status
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Constructor Summary
Constructors Constructor Description SingleFieldsVisitor(MappedFieldType field, List<Object> destination)Build the field visitor;
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidbinaryField(FieldInfo fieldInfo, byte[] value)Process a binary field.voiddoubleField(FieldInfo fieldInfo, double value)Process a double numeric field.voidfloatField(FieldInfo fieldInfo, float value)Process a float numeric field.voidintField(FieldInfo fieldInfo, int value)Process a int numeric field.voidlongField(FieldInfo fieldInfo, long value)Process a long numeric field.StoredFieldVisitor.StatusneedsField(FieldInfo fieldInfo)Hook before processing a field.voidstringField(FieldInfo fieldInfo, byte[] bytes)Process a string field; the provided byte[] value is a UTF-8 encoded string value.
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Constructor Detail
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SingleFieldsVisitor
public SingleFieldsVisitor(MappedFieldType field, List<Object> destination)
Build the field visitor;- Parameters:
field- the name of the field to loaddestination- where to put the field's values
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Method Detail
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needsField
public StoredFieldVisitor.Status needsField(FieldInfo fieldInfo)
Description copied from class:StoredFieldVisitorHook before processing a field. Before a field is processed, this method is invoked so that subclasses can return aStoredFieldVisitor.Statusrepresenting whether they need that particular field or not, or to stop processing entirely.- Specified by:
needsFieldin classStoredFieldVisitor
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binaryField
public void binaryField(FieldInfo fieldInfo, byte[] value)
Description copied from class:StoredFieldVisitorProcess a binary field.- Overrides:
binaryFieldin classStoredFieldVisitorvalue- newly allocated byte array with the binary contents.
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stringField
public void stringField(FieldInfo fieldInfo, byte[] bytes)
Description copied from class:StoredFieldVisitorProcess a string field; the provided byte[] value is a UTF-8 encoded string value.- Overrides:
stringFieldin classStoredFieldVisitor
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intField
public void intField(FieldInfo fieldInfo, int value)
Description copied from class:StoredFieldVisitorProcess a int numeric field.- Overrides:
intFieldin classStoredFieldVisitor
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longField
public void longField(FieldInfo fieldInfo, long value)
Description copied from class:StoredFieldVisitorProcess a long numeric field.- Overrides:
longFieldin classStoredFieldVisitor
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floatField
public void floatField(FieldInfo fieldInfo, float value)
Description copied from class:StoredFieldVisitorProcess a float numeric field.- Overrides:
floatFieldin classStoredFieldVisitor
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doubleField
public void doubleField(FieldInfo fieldInfo, double value)
Description copied from class:StoredFieldVisitorProcess a double numeric field.- Overrides:
doubleFieldin classStoredFieldVisitor
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