Package com.github.javaparser.ast.expr
Class LambdaExpr
- java.lang.Object
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- com.github.javaparser.ast.Node
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- com.github.javaparser.ast.expr.Expression
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- com.github.javaparser.ast.expr.LambdaExpr
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- All Implemented Interfaces:
NodeWithParameters<LambdaExpr>
,NodeWithRange<Node>
,NodeWithTokenRange<Node>
,Observable
,Visitable
,HasParentNode<Node>
,Cloneable
public final class LambdaExpr extends Expression implements NodeWithParameters<LambdaExpr>
A lambda expression. The parameters are on the left side of the ->. If a parameter uses type inference (it has no type specified) then its type is set to UnknownType. If they are in ( ), "isEnclosingParameters" is true. The body is to the right of the ->.(a, b) -> a+b
a -> ...
(Long a) -> {println(a);}
- Author:
- Raquel Pau
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Nested Class Summary
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Nested classes/interfaces inherited from class com.github.javaparser.ast.Node
Node.ObserverRegistrationMode, Node.Parsedness
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Field Summary
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Fields inherited from class com.github.javaparser.ast.Node
ABSOLUTE_BEGIN_LINE, ABSOLUTE_END_LINE, NODE_BY_BEGIN_POSITION, prettyPrinterNoCommentsConfiguration
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Constructor Summary
Constructors Constructor Description LambdaExpr()
LambdaExpr(NodeList<Parameter> parameters, Statement body, boolean isEnclosingParameters)
LambdaExpr(TokenRange tokenRange, NodeList<Parameter> parameters, Statement body, boolean isEnclosingParameters)
This constructor is used by the parser and is considered private.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description <R,A>
Raccept(GenericVisitor<R,A> v, A arg)
Accept method for visitor support.<A> void
accept(VoidVisitor<A> v, A arg)
Accept method for visitor support.LambdaExpr
clone()
Statement
getBody()
Optional<Expression>
getExpressionBody()
LambdaExprMetaModel
getMetaModel()
List<NodeList<?>>
getNodeLists()
The list of NodeLists owned by this node.NodeList<Parameter>
getParameters()
boolean
isEnclosingParameters()
boolean
remove(Node node)
boolean
replace(Node node, Node replacementNode)
LambdaExpr
setBody(Statement body)
LambdaExpr
setEnclosingParameters(boolean isEnclosingParameters)
LambdaExpr
setParameters(NodeList<Parameter> parameters)
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Methods inherited from class com.github.javaparser.ast.Node
addOrphanComment, customInitialization, equals, getAllContainedComments, getChildNodes, getChildNodesByType, getComment, getData, getNodesByType, getOrphanComments, getParentNode, getParentNodeForChildren, getParsed, getRange, getTokenRange, hasComment, hashCode, isRegistered, notifyPropertyChange, register, register, registerForSubtree, remove, removeComment, removeForced, removeOrphanComment, replace, setAsParentNodeOf, setAsParentNodeOf, setBlockComment, setComment, setData, setLineComment, setParentNode, setParsed, setRange, setTokenRange, toString, toString, tryAddImportToParentCompilationUnit, unregister
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Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface com.github.javaparser.HasParentNode
getAncestorOfType
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Methods inherited from interface com.github.javaparser.ast.nodeTypes.NodeWithParameters
addAndGetParameter, addAndGetParameter, addAndGetParameter, addAndGetParameter, addParameter, addParameter, addParameter, addParameter, getParameter, getParameterByName, getParameterByType, getParameterByType, hasParametersOfType, hasParametersOfType, setParameter, tryAddImportToParentCompilationUnit
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Methods inherited from interface com.github.javaparser.ast.nodeTypes.NodeWithRange
containsWithin, getBegin, getEnd, isPositionedAfter, isPositionedBefore
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Constructor Detail
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LambdaExpr
public LambdaExpr()
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LambdaExpr
public LambdaExpr(NodeList<Parameter> parameters, Statement body, boolean isEnclosingParameters)
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LambdaExpr
@Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator") public LambdaExpr(TokenRange tokenRange, NodeList<Parameter> parameters, Statement body, boolean isEnclosingParameters)
This constructor is used by the parser and is considered private.
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Method Detail
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getParameters
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator") public NodeList<Parameter> getParameters()
- Specified by:
getParameters
in interfaceNodeWithParameters<LambdaExpr>
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setParameters
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator") public LambdaExpr setParameters(NodeList<Parameter> parameters)
- Specified by:
setParameters
in interfaceNodeWithParameters<LambdaExpr>
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getBody
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator") public Statement getBody()
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setBody
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator") public LambdaExpr setBody(Statement body)
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accept
public <R,A> R accept(GenericVisitor<R,A> v, A arg)
Description copied from interface:Visitable
Accept method for visitor support.- Specified by:
accept
in interfaceVisitable
- Type Parameters:
R
- the type of the return value of the visitorA
- the type the user argument passed to the visitor- Parameters:
v
- the visitor implementationarg
- the argument passed to the visitor (of type A)- Returns:
- the result of the visit (of type R)
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accept
public <A> void accept(VoidVisitor<A> v, A arg)
Description copied from interface:Visitable
Accept method for visitor support.
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isEnclosingParameters
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator") public boolean isEnclosingParameters()
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setEnclosingParameters
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator") public LambdaExpr setEnclosingParameters(boolean isEnclosingParameters)
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getNodeLists
@Generated("com.github.javaparser.generator.core.node.GetNodeListsGenerator") public List<NodeList<?>> getNodeLists()
Description copied from class:Node
The list of NodeLists owned by this node.- Overrides:
getNodeLists
in classNode
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remove
@Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator") public boolean remove(Node node)
- Overrides:
remove
in classExpression
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getExpressionBody
public Optional<Expression> getExpressionBody()
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clone
@Generated("com.github.javaparser.generator.core.node.CloneGenerator") public LambdaExpr clone()
- Overrides:
clone
in classExpression
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getMetaModel
@Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator") public LambdaExprMetaModel getMetaModel()
- Overrides:
getMetaModel
in classExpression
- Returns:
- get JavaParser specific node introspection information.
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replace
@Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator") public boolean replace(Node node, Node replacementNode)
- Overrides:
replace
in classExpression
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