trait Cursor extends AnyRef
Indicates a position within an abstract data model during the interpretation of a GraphQL query.
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Abstract Value Members
- abstract def asLeaf: Result[Json]
Yield the value at this
Cursor
rendered as Json if it is of a scalar or enum type, an error or the left hand side otherwise. - abstract def asList: Result[List[Cursor]]
Yield a list of
Cursor
s corresponding to the elements of the value at thisCursor
if it is of a list type, or an error or the left hand side otherwise. - abstract def asNullable: Result[Option[Cursor]]
Yield an optional
Cursor
s corresponding to the value at thisCursor
if it is of a nullable type, or an error on the left hand side otherwise.Yield an optional
Cursor
s corresponding to the value at thisCursor
if it is of a nullable type, or an error on the left hand side otherwise. The resultingCursor
will be present iff the current value is present in the model. - abstract def attribute(attributeName: String): Result[Any]
Yield the value of the attribute named
attributeName
of the value at thisCursor
, or an error on the left hand side if there is no such attribute. - abstract def field(fieldName: String): Result[Cursor]
Yield a
Cursor
corresponding to the value of the fieldfieldName
of the value at thisCursor
, or an error on the left hand side if there is no such field. - abstract def focus: Any
The value at the position represented by this
Cursor
. - abstract def hasAttribute(attributeName: String): Boolean
Does the value at this
Cursor
have an attribute namedattributeName
? - abstract def hasField(fieldName: String): Boolean
Does the value at this
Cursor
have a field namedfieldName
? - abstract def isLeaf: Boolean
Is the value at this
Cursor
of a scalar or enum type? - abstract def isList: Boolean
Is the value at this
Cursor
of a list type? - abstract def isNullable: Boolean
Is the value at this
Cursor
of a nullable type? - abstract def narrow(subtpe: TypeRef): Result[Cursor]
Yield a
Cursor
corresponding to the value at thisCursor
narrowed to typesubtpe
, or an error on the left hand side if such a narrowing is not possible. - abstract def narrowsTo(subtpe: TypeRef): Boolean
Is the value at this
Cursor
narrowable tosubtpe
? - abstract def tpe: Type
The GraphQL type of the value at the position represented by this
Cursor
.
Concrete Value Members
- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##(): Int
- Definition Classes
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- final def ==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- def attrListPath(fns: List[String]): Result[List[Any]]
Yield the list of values of the attribute generated by following the path
fns
from the value at thisCursor
, or an error on the left hand side if there is no such path. - def clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
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- Annotations
- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- final def eq(arg0: AnyRef): Boolean
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- def equals(arg0: AnyRef): Boolean
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- def finalize(): Unit
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- protected[lang]
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- @throws(classOf[java.lang.Throwable])
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
- def hasListPath(fns: List[String]): Boolean
Does the value at this
Cursor
generate a list along the pathfns
?Does the value at this
Cursor
generate a list along the pathfns
?true
iffns
is a valid path from the value at thisCursor
and passes through at least one field with a list type. - def hasPath(fns: List[String]): Boolean
Does the value at this
Cursor
have a field identified by the pathfns
? - def hashCode(): Int
- Definition Classes
- AnyRef → Any
- Annotations
- @native()
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- def listPath(fns: List[String]): Result[List[Cursor]]
Yield a list of
Cursor
s corresponding to the values generated by following the pathfns
from the value at thisCursor
, or an error on the left hand side if there is no such path. - final def ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- final def notify(): Unit
- Definition Classes
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- Annotations
- @native()
- final def notifyAll(): Unit
- Definition Classes
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- Annotations
- @native()
- def nullableField(fieldName: String): Result[Cursor]
Yield a
Cursor
corresponding to the value of the possibly nullable fieldfieldName
of the value at thisCursor
, or an error on the left hand side if there is no such field. - def nullableHasField(fieldName: String): Boolean
Does the possibly nullable value at this
Cursor
have an attributed namedattributeName
? - def path(fns: List[String]): Result[Cursor]
Yield a
Cursor
corresponding to the value of the field identified by pathfns
starting from the value at thisCursor
, or an error on the left hand side if there is no such field. - final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- def toString(): String
- Definition Classes
- AnyRef → Any
- final def wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()