Package org.codehaus.groovy.ast.expr

## Class MethodCallExpression

- java.lang.Object
- - org.codehaus.groovy.ast.ASTNode
  - - org.codehaus.groovy.ast.AnnotatedNode
    - - org.codehaus.groovy.ast.expr.Expression
      - - org.codehaus.groovy.ast.expr.MethodCallExpression

- All Implemented Interfaces:
    `GroovydocHolder<AnnotatedNode>`, `MethodCall`, `NodeMetaDataHandler`

      public class MethodCallExpression
      extends Expression
      implements MethodCall

  A method call on an object or class.

- - ### Field Summary

    Fields
    Modifier and Type | Field | Description
    --- | --- | ---
    `static Expression` | `NO_ARGUMENTS` |

    - ### Fields inherited from class org.codehaus.groovy.ast.expr.Expression

      `EMPTY_ARRAY`

    - ### Fields inherited from interface groovy.lang.groovydoc.GroovydocHolder

      `DOC_COMMENT`

  - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `MethodCallExpression​(Expression objectExpression, String method, Expression arguments)` |
    `MethodCallExpression​(Expression objectExpression, Expression method, Expression arguments)` |

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `Expression` | `getArguments()` |
    `GenericsType[]` | `getGenericsTypes()` |
    `Expression` | `getMethod()` |
    `String` | `getMethodAsString()` | This method returns the method name as String if it is no dynamic calculated method name, but a constant.
    `MethodNode` | `getMethodTarget()` |
    `Expression` | `getObjectExpression()` |
    `ASTNode` | `getReceiver()` |
    `String` | `getText()` |
    `boolean` | `isImplicitThis()` |
    `boolean` | `isSafe()` |
    `boolean` | `isSpreadSafe()` |
    `boolean` | `isUsingGenerics()` |
    `void` | `setArguments​(Expression arguments)` |
    `void` | `setGenericsTypes​(GenericsType[] genericsTypes)` |
    `void` | `setImplicitThis​(boolean implicitThis)` |
    `void` | `setMethod​(Expression method)` |
    `void` | `setMethodTarget​(MethodNode mn)` | Sets a method call target for a direct method call.
    `void` | `setObjectExpression​(Expression objectExpression)` |
    `void` | `setSafe​(boolean safe)` |
    `void` | `setSourcePosition​(ASTNode node)` | Sets the source position using another ASTNode.
    `void` | `setSpreadSafe​(boolean value)` |
    `String` | `toString()` |
    `Expression` | `transformExpression​(ExpressionTransformer transformer)` | Return a copy of the expression calling the transformer on any nested expressions
    `void` | `visit​(GroovyCodeVisitor visitor)` |

    - ### Methods inherited from class org.codehaus.groovy.ast.expr.Expression

      `getType, setType, transformExpressions, transformExpressions`

    - ### Methods inherited from class org.codehaus.groovy.ast.AnnotatedNode

      `addAnnotation, addAnnotations, getAnnotations, getAnnotations, getDeclaringClass, getGroovydoc, getInstance, hasNoRealSourcePosition, isSynthetic, setDeclaringClass, setHasNoRealSourcePosition, setSynthetic`

    - ### Methods inherited from class org.codehaus.groovy.ast.ASTNode

      `copyNodeMetaData, getColumnNumber, getLastColumnNumber, getLastLineNumber, getLineNumber, getMetaDataMap, hashCode, setColumnNumber, setLastColumnNumber, setLastLineNumber, setLineNumber, setMetaDataMap`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, notify, notifyAll, wait, wait, wait`

    - ### Methods inherited from interface org.codehaus.groovy.ast.NodeMetaDataHandler

      `copyNodeMetaData, getNodeMetaData, getNodeMetaData, getNodeMetaData, putNodeMetaData, removeNodeMetaData, setNodeMetaData`

- - ### Field Detail

    - #### NO_ARGUMENTS

          public static final Expression NO_ARGUMENTS

  - ### Constructor Detail

    - #### MethodCallExpression

          public MethodCallExpression​(Expression objectExpression,
                                      String method,
                                      Expression arguments)

    - #### MethodCallExpression

          public MethodCallExpression​(Expression objectExpression,
                                      Expression method,
                                      Expression arguments)

  - ### Method Detail

    - #### visit

          public void visit​(GroovyCodeVisitor visitor)

      Overrides:
        `visit` in class `ASTNode`

    - #### transformExpression

          public Expression transformExpression​(ExpressionTransformer transformer)

      Description copied from class: `Expression`
      Return a copy of the expression calling the transformer on any nested expressions
      Specified by:
        `transformExpression` in class `Expression`

    - #### getArguments

          public Expression getArguments()

      Specified by:
        `getArguments` in interface `MethodCall`

    - #### setArguments

          public void setArguments​(Expression arguments)

    - #### getMethod

          public Expression getMethod()

    - #### setMethod

          public void setMethod​(Expression method)

    - #### getMethodAsString

          public String getMethodAsString()

      This method returns the method name as String if it is no dynamic calculated method name, but a constant.
      Specified by:
        `getMethodAsString` in interface `MethodCall`

    - #### getObjectExpression

          public Expression getObjectExpression()

    - #### setObjectExpression

          public void setObjectExpression​(Expression objectExpression)

    - #### getReceiver

          public ASTNode getReceiver()

      Specified by:
        `getReceiver` in interface `MethodCall`

    - #### getText

          public String getText()

      Specified by:
        `getText` in interface `MethodCall`
      Overrides:
        `getText` in class `ASTNode`

    - #### isSafe

          public boolean isSafe()

      Returns:
        is this a safe method call, i.e. if true then if the source object is null then this method call will return null rather than throwing a null pointer exception

    - #### setSafe

          public void setSafe​(boolean safe)

    - #### isSpreadSafe

          public boolean isSpreadSafe()

    - #### setSpreadSafe

          public void setSpreadSafe​(boolean value)

    - #### isImplicitThis

          public boolean isImplicitThis()

      Returns:
        true if no object expression was specified otherwise if some expression was specified for the object on which to evaluate the method then return false

    - #### setImplicitThis

          public void setImplicitThis​(boolean implicitThis)

    - #### getGenericsTypes

          public GenericsType[] getGenericsTypes()

    - #### setGenericsTypes

          public void setGenericsTypes​(GenericsType[] genericsTypes)

    - #### isUsingGenerics

          public boolean isUsingGenerics()

    - #### getMethodTarget

          public MethodNode getMethodTarget()

      Returns:
        the target as method node if set

    - #### setMethodTarget

          public void setMethodTarget​(MethodNode mn)

      Sets a method call target for a direct method call. WARNING: A method call made this way will run outside of the MOP!
      Parameters:
        `mn` - the target as MethodNode, mn==null means no target

    - #### setSourcePosition

          public void setSourcePosition​(ASTNode node)

      Description copied from class: `ASTNode`
      Sets the source position using another ASTNode. The sourcePosition consists of a line/column pair for the start and a line/column pair for the end of the expression or statement
      Overrides:
        `setSourcePosition` in class `ASTNode`
      Parameters:
        `node` - - the node used to configure the position information

    - #### toString

          public String toString()

      Overrides:
        `toString` in class `Object`