Class ToJsonFct
- java.lang.Object
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- org.apache.cassandra.cql3.functions.AbstractFunction
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- org.apache.cassandra.cql3.functions.NativeFunction
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- org.apache.cassandra.cql3.functions.NativeScalarFunction
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- org.apache.cassandra.cql3.functions.ToJsonFct
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- All Implemented Interfaces:
AssignmentTestable
,Function
,ScalarFunction
public class ToJsonFct extends NativeScalarFunction
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.apache.cassandra.cql3.AssignmentTestable
AssignmentTestable.TestResult
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Field Summary
Fields Modifier and Type Field Description static FunctionName
NAME
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Fields inherited from class org.apache.cassandra.cql3.functions.AbstractFunction
argTypes, name, returnType
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description java.nio.ByteBuffer
execute(ProtocolVersion protocolVersion, java.util.List<java.nio.ByteBuffer> parameters)
Applies this function to the specified parameter.static ToJsonFct
getInstance(java.util.List<AbstractType<?>> argTypes)
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Methods inherited from class org.apache.cassandra.cql3.functions.NativeScalarFunction
isAggregate, isCalledOnNullInput
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Methods inherited from class org.apache.cassandra.cql3.functions.NativeFunction
isNative
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Methods inherited from class org.apache.cassandra.cql3.functions.AbstractFunction
addFunctionsTo, argTypes, argumentsList, columnName, elementKeyspace, elementName, equals, hashCode, name, referencesUserType, returnType, testAssignment, toCqlString, toString
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.apache.cassandra.cql3.AssignmentTestable
testAssignment
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Methods inherited from interface org.apache.cassandra.cql3.functions.Function
addFunctionsTo, argTypes, columnName, compare, isNative, name, referencesUserType, returnType
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Field Detail
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NAME
public static final FunctionName NAME
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Method Detail
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getInstance
public static ToJsonFct getInstance(java.util.List<AbstractType<?>> argTypes) throws InvalidRequestException
- Throws:
InvalidRequestException
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execute
public java.nio.ByteBuffer execute(ProtocolVersion protocolVersion, java.util.List<java.nio.ByteBuffer> parameters) throws InvalidRequestException
Description copied from interface:ScalarFunction
Applies this function to the specified parameter.- Parameters:
protocolVersion
- protocol version used for parameters and return valueparameters
- the input parameters- Returns:
- the result of applying this function to the parameter
- Throws:
InvalidRequestException
- if this function cannot not be applied to the parameter
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