SingletonFromEvaluator (engine 2.11.0 API)

java.lang.Object
- org.opencds.cqf.cql.engine.elm.execution.Executable
- - org.cqframework.cql.elm.execution.Element
  - - org.cqframework.cql.elm.execution.Expression
    - - org.cqframework.cql.elm.execution.OperatorExpression
      - org.cqframework.cql.elm.execution.UnaryExpression
        
        org.cqframework.cql.elm.execution.SingletonFrom
        
        org.opencds.cqf.cql.engine.elm.execution.SingletonFromEvaluator

All Implemented Interfaces:

org.jvnet.jaxb2_commons.lang.Equals2, org.jvnet.jaxb2_commons.lang.HashCode2, org.jvnet.jaxb2_commons.lang.ToString2
```
public class SingletonFromEvaluator
extends SingletonFrom
```

Field Summary
- Fields inherited from class org.cqframework.cql.elm.execution.UnaryExpression
  operand
- Fields inherited from class org.cqframework.cql.elm.execution.OperatorExpression
  signature
- Fields inherited from class org.cqframework.cql.elm.execution.Element
  annotation, localId, locator, resultTypeName, resultTypeSpecifier

Constructor Summary

Constructors
Constructor Description

SingletonFromEvaluator()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected java.lang.Object`	`internalEvaluate(Context context)`
`static java.lang.Object`	`singletonFrom(java.lang.Object operand)`

Methods inherited from class org.cqframework.cql.elm.execution.SingletonFrom
append, appendFields, equals, equals, hashCode, hashCode, toString, withAnnotation, withAnnotation, withLocalId, withLocator, withOperand, withResultTypeName, withResultTypeSpecifier, withSignature, withSignature

Methods inherited from class org.cqframework.cql.elm.execution.UnaryExpression
getOperand, setOperand

Methods inherited from class org.cqframework.cql.elm.execution.OperatorExpression
getSignature

Methods inherited from class org.cqframework.cql.elm.execution.Element
getAnnotation, getLocalId, getLocator, getResultTypeName, getResultTypeSpecifier, setLocalId, setLocator, setResultTypeName, setResultTypeSpecifier

Methods inherited from class org.opencds.cqf.cql.engine.elm.execution.Executable
evaluate

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail
- SingletonFromEvaluator
```
public SingletonFromEvaluator()
```

Method Detail

singletonFrom

public static java.lang.Object singletonFrom(java.lang.Object operand)

internalEvaluate

protected java.lang.Object internalEvaluate(Context context)

Overrides:: internalEvaluate in class Executable