org.apache.sysds.parser

## Class OutputStatement

- java.lang.Object
- - org.apache.sysds.parser.Statement
  - - org.apache.sysds.parser.OutputStatement

- All Implemented Interfaces:
    ParseInfo

      public class OutputStatement
      extends Statement

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.apache.sysds.parser.Statement

      `Statement.PSCheckpointing, Statement.PSFrequency, Statement.PSModeType, Statement.PSScheme, Statement.PSUpdateType`

  - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String[]` | `WRITE_VALID_PARAM_NAMES`

    - ### Fields inherited from class org.apache.sysds.parser.Statement

      `BOOLEAN_VALUE_TYPE, DOUBLE_VALUE_TYPE, FRAME_DATA_TYPE, GAGG_FN, GAGG_FN_CM, GAGG_FN_CM_ORDER, GAGG_FN_COUNT, GAGG_FN_MEAN, GAGG_FN_SUM, GAGG_FN_VARIANCE, GAGG_GROUPS, GAGG_NUM_GROUPS, GAGG_TARGET, GAGG_WEIGHTS, INT_VALUE_TYPE, MATRIX_DATA_TYPE, OUTPUTSTATEMENT, PS_AGGREGATION_FUN, PS_BATCH_SIZE, PS_CHECKPOINTING, PS_EPOCHS, PS_FEATURES, PS_FREQUENCY, PS_GRADIENTS, PS_HYPER_PARAMS, PS_LABELS, PS_MODE, PS_MODEL, PS_PARALLELISM, PS_SCHEME, PS_UPDATE_FUN, PS_UPDATE_TYPE, PS_VAL_FEATURES, PS_VAL_LABELS, SCALAR_DATA_TYPE, SEQ_FROM, SEQ_INCR, SEQ_TO, SETWD, SOURCE, STRING_VALUE_TYPE`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `OutputStatement(DataIdentifier t, Expression.DataOp op, ParseInfo parseInfo)`
    `OutputStatement(org.antlr.v4.runtime.ParserRuleContext ctx, DataIdentifier t, Expression.DataOp op, String filename)`

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addExprParam(String name, Expression value, boolean fromMTDFile)`
    `boolean` | `controlStatement()`
    `Expression` | `getExprParam(String key)`
    `DataIdentifier` | `getIdentifier()`
    `DataExpression` | `getSource()`
    `VariableSet` | `initializebackwardLV(VariableSet lo)`
    `void` | `initializeforwardLV(VariableSet activeIn)`
    `static boolean` | `isValidParamName(String key)`
    `Statement` | `rewriteStatement(String prefix)`
    `void` | `setExprParams(DataExpression newParamerizedExpr)`
    `void` | `setIdentifier(DataIdentifier t)`
    `String` | `toString()`
    `VariableSet` | `variablesRead()`
    `VariableSet` | `variablesUpdated()`

    - ### Methods inherited from class org.apache.sysds.parser.Statement

      `getBeginColumn, getBeginLine, getEndColumn, getEndLine, getFilename, getText, isEmptyNewLineStatement, printErrorLocation, printWarningLocation, raiseValidateError, raiseValidateError, setBeginColumn, setBeginLine, setCtxValues, setCtxValuesAndFilename, setEmptyNewLineStatement, setEndColumn, setEndLine, setFilename, setParseInfo, setText`

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

      `equals, getClass, hashCode, notify, notifyAll, wait, wait, wait`

    - ### Methods inherited from interface org.apache.sysds.parser.ParseInfo

      `ctxAndFilenameToParseInfo`

- - ### Field Detail

    - #### WRITE_VALID_PARAM_NAMES

          public static final String[] WRITE_VALID_PARAM_NAMES

  - ### Constructor Detail

    - #### OutputStatement

          public OutputStatement(org.antlr.v4.runtime.ParserRuleContext ctx,
                                 DataIdentifier t,
                                 Expression.DataOp op,
                                 String filename)

    - #### OutputStatement

          public OutputStatement(DataIdentifier t,
                                 Expression.DataOp op,
                                 ParseInfo parseInfo)

  - ### Method Detail

    - #### getIdentifier

          public DataIdentifier getIdentifier()

    - #### getSource

          public DataExpression getSource()

    - #### setIdentifier

          public void setIdentifier(DataIdentifier t)

    - #### isValidParamName

          public static boolean isValidParamName(String key)

    - #### addExprParam

          public void addExprParam(String name,
                                   Expression value,
                                   boolean fromMTDFile)

    - #### rewriteStatement

          public Statement rewriteStatement(String prefix)

      Specified by:
        `rewriteStatement` in class `Statement`

    - #### setExprParams

          public void setExprParams(DataExpression newParamerizedExpr)

    - #### getExprParam

          public Expression getExprParam(String key)

    - #### initializeforwardLV

          public void initializeforwardLV(VariableSet activeIn)

      Specified by:
        `initializeforwardLV` in class `Statement`

    - #### initializebackwardLV

          public VariableSet initializebackwardLV(VariableSet lo)

      Specified by:
        `initializebackwardLV` in class `Statement`

    - #### toString

          public String toString()

      Overrides:
        `toString` in class `Object`

    - #### variablesRead

          public VariableSet variablesRead()

      Specified by:
        `variablesRead` in class `Statement`

    - #### variablesUpdated

          public VariableSet variablesUpdated()

      Specified by:
        `variablesUpdated` in class `Statement`

    - #### controlStatement

          public boolean controlStatement()

      Specified by:
        `controlStatement` in class `Statement`

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