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## cascading.operation.text
Class FieldFormatter

    java.lang.Object
      cascading.operation.BaseOperation<Tuple>
          cascading.operation.text.FieldFormatter

All Implemented Interfaces:
  Function<Tuple>, Operation<Tuple>, Serializable

    public class FieldFormatter

extends BaseOperation<Tuple>
implements Function<Tuple>

Class FieldFormatter formats the values in a Tuple with a given format and stuffs the result into a new field.

This function uses the `Formatter` class for formatting the argument tuple values into a new string.

See Also:
  Serialized Form

Field Summary
`static String` | `FIELD_NAME` Field FIELD_NAME

Fields inherited from class cascading.operation.BaseOperation
`fieldDeclaration, numArgs, trace`

Fields inherited from interface cascading.operation.Operation
`ANY`

Constructor Summary
`FieldFormatter(Fields fieldDeclaration, String format)` Constructor FieldJoiner creates a new FieldFormatter instance.
`FieldFormatter(String format)` Constructor FieldJoiner creates a new FieldFormatter instance using the default field name "formatted".

Method Summary
`boolean` | `equals(Object object)`
`String` | `getFormat()` Method getFormat returns the format of this FieldFormatter object.
`int` | `hashCode()`
`void` | `operate(FlowProcess flowProcess, FunctionCall<Tuple> functionCall)` Method operate provides the implementation of this Function.
`void` | `prepare(FlowProcess flowProcess, OperationCall<Tuple> operationCall)` Method prepare does nothing, and may safely be overridden.

Methods inherited from class cascading.operation.BaseOperation
`cleanup, flush, getFieldDeclaration, getNumArgs, getTrace, isSafe, printOperationInternal, toString, toStringInternal`

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

Methods inherited from interface cascading.operation.Operation
`cleanup, flush, getFieldDeclaration, getNumArgs, isSafe`

Field Detail

### FIELD_NAME

    public static final String FIELD_NAME

  Field FIELD_NAME

  See Also:
    Constant Field Values

Constructor Detail

### FieldFormatter

    @ConstructorProperties(value="format")
    public FieldFormatter(String format)

  Constructor FieldJoiner creates a new FieldFormatter instance using the default field name "formatted".

  Parameters:
    `format` - of type String

### FieldFormatter

    @ConstructorProperties(value={"fieldDeclaration","format"})
    public FieldFormatter(Fields fieldDeclaration,
                                                     String format)

  Constructor FieldJoiner creates a new FieldFormatter instance.

  Parameters:
    `fieldDeclaration` - of type Fields
    `format` - of type String

Method Detail

### getFormat

    public String getFormat()

  Method getFormat returns the format of this FieldFormatter object.

  Returns:
    the format (type String) of this FieldFormatter object.

### prepare

    public void prepare(FlowProcess flowProcess,
                        OperationCall<Tuple> operationCall)

  Description copied from class: `BaseOperation`
  Method prepare does nothing, and may safely be overridden.

  Specified by:
    `prepare` in interface `Operation<Tuple>`
  Overrides:
    `prepare` in class `BaseOperation<Tuple>`

### operate

    public void operate(FlowProcess flowProcess,
                        FunctionCall<Tuple> functionCall)

  Description copied from interface: `Function`
  Method operate provides the implementation of this Function.

  Specified by:
    `operate` in interface `Function<Tuple>`
  Parameters:
    `flowProcess` - of type FlowProcess
    `functionCall` - of type FunctionCall

### equals

    public boolean equals(Object object)

  Overrides:
    `equals` in class `BaseOperation<Tuple>`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `BaseOperation<Tuple>`

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