Examples of org.teiid.metadata.FunctionParameter

org.teiid.metadata.FunctionParameter
A function parameter defines the name and description of an input or output parameter for a function. The name should not be null, but that is not verified by this class. Validation of this object can be done with the {@link FunctionMetadataValidator}. The type string used in the function parameter should be one of the standard type names defined in {@link org.teiid.core.types.DataTypeManager.DefaultDataTypes}.


  private void addRepeatFunction() {
    functions.add(
      new FunctionMethod(SourceSystemFunctions.REPEAT, QueryPlugin.Util.getString("SystemSource.Repeat_desc"), STRING, FUNCTION_CLASS, "repeat", //$NON-NLS-1$ //$NON-NLS-2$ 
        new FunctionParameter[] {
          new FunctionParameter("string", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Repeat_arg1")), //$NON-NLS-1$ //$NON-NLS-2$
          new FunctionParameter("count", DataTypeManager.DefaultDataTypes.INTEGER, QueryPlugin.Util.getString("SystemSource.Repeat_arg2"))}, //$NON-NLS-1$ //$NON-NLS-2$
        new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Repeat_result")) ) );                 //$NON-NLS-1$ //$NON-NLS-2$
  }

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  private void addSpaceFunction() {
    functions.add(
      new FunctionMethod(FunctionLibrary.SPACE, QueryPlugin.Util.getString("SystemSource.Space_desc"), STRING, PushDown.SYNTHETIC, null, null, //$NON-NLS-1$ 
        new FunctionParameter[] {
          new FunctionParameter("count", DataTypeManager.DefaultDataTypes.INTEGER, QueryPlugin.Util.getString("SystemSource.Space_arg1"))}, //$NON-NLS-1$ //$NON-NLS-2$
        new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Space_result")) ) );                 //$NON-NLS-1$ //$NON-NLS-2$
  }

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  private void addInsertFunction() {
    functions.add(
      new FunctionMethod(SourceSystemFunctions.INSERT, QueryPlugin.Util.getString("SystemSource.Insert_desc"), STRING, FUNCTION_CLASS, "insert", //$NON-NLS-1$ //$NON-NLS-2$ 
        new FunctionParameter[] {
          new FunctionParameter("str1", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Insert_arg1")), //$NON-NLS-1$ //$NON-NLS-2$
          new FunctionParameter("start", DataTypeManager.DefaultDataTypes.INTEGER, QueryPlugin.Util.getString("SystemSource.Insert_arg2")), //$NON-NLS-1$ //$NON-NLS-2$
          new FunctionParameter("length", DataTypeManager.DefaultDataTypes.INTEGER, QueryPlugin.Util.getString("SystemSource.Insert_arg3")), //$NON-NLS-1$ //$NON-NLS-2$
          new FunctionParameter("str2", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Insert_arg4")) }, //$NON-NLS-1$ //$NON-NLS-2$
        new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Insert_result")) ) );                 //$NON-NLS-1$ //$NON-NLS-2$
  }

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  private void addToCharsFunction() {
    functions.add(
      new FunctionMethod("to_chars", QueryPlugin.Util.getString("SystemSource.encode_desc"), CONVERSION, FUNCTION_CLASS, "toChars", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$  
        new FunctionParameter[] {
          new FunctionParameter("value", DataTypeManager.DefaultDataTypes.BLOB, QueryPlugin.Util.getString("SystemSource.encode_arg1")), //$NON-NLS-1$ //$NON-NLS-2$
          new FunctionParameter("encoding", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.encode_arg2"))}, //$NON-NLS-1$ //$NON-NLS-2$
        new FunctionParameter("result", DataTypeManager.DefaultDataTypes.CLOB, QueryPlugin.Util.getString("SystemSource.encode_result")) ) );                 //$NON-NLS-1$ //$NON-NLS-2$
  }

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  private void addToBytesFunction() {
    functions.add(
      new FunctionMethod("to_bytes", QueryPlugin.Util.getString("SystemSource.decode_desc"), CONVERSION, FUNCTION_CLASS, "toBytes", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$  
        new FunctionParameter[] {
          new FunctionParameter("value", DataTypeManager.DefaultDataTypes.CLOB, QueryPlugin.Util.getString("SystemSource.decode_arg1")), //$NON-NLS-1$ //$NON-NLS-2$
          new FunctionParameter("encoding", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.decode_arg2"))}, //$NON-NLS-1$ //$NON-NLS-2$
        new FunctionParameter("result", DataTypeManager.DefaultDataTypes.BLOB, QueryPlugin.Util.getString("SystemSource.decode_result")) ) );                 //$NON-NLS-1$ //$NON-NLS-2$
  }

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    private void addAsciiFunction() {
        functions.add(
            new FunctionMethod(SourceSystemFunctions.ASCII, QueryPlugin.Util.getString("SystemSource.Ascii_desc"), STRING, FUNCTION_CLASS, "ascii", //$NON-NLS-1$ //$NON-NLS-2$ 
                new FunctionParameter[] {
                    new FunctionParameter("string", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Ascii_arg1")) }, //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("result", DataTypeManager.DefaultDataTypes.INTEGER, QueryPlugin.Util.getString("SystemSource.Ascii_result")) ) ); //$NON-NLS-1$ //$NON-NLS-2$
        functions.add(
            new FunctionMethod(SourceSystemFunctions.ASCII, QueryPlugin.Util.getString("SystemSource.Ascii2_desc"), STRING, FUNCTION_CLASS, "ascii", //$NON-NLS-1$ //$NON-NLS-2$ 
                new FunctionParameter[] {
                    new FunctionParameter("char", DataTypeManager.DefaultDataTypes.CHAR, QueryPlugin.Util.getString("SystemSource.Ascii2_arg1")) }, //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("result", DataTypeManager.DefaultDataTypes.INTEGER, QueryPlugin.Util.getString("SystemSource.Ascii2_result")) ) ); //$NON-NLS-1$ //$NON-NLS-2$
    }

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  private void addCharFunction() {
    functions.add(
      new FunctionMethod(SourceSystemFunctions.CHAR, QueryPlugin.Util.getString("SystemSource.Char_desc"), STRING, FUNCTION_CLASS, "chr", //$NON-NLS-1$ //$NON-NLS-2$ 
        new FunctionParameter[] {
          new FunctionParameter("code", DataTypeManager.DefaultDataTypes.INTEGER, QueryPlugin.Util.getString("SystemSource.Char_arg1")) }, //$NON-NLS-1$ //$NON-NLS-2$
        new FunctionParameter("result", DataTypeManager.DefaultDataTypes.CHAR, QueryPlugin.Util.getString("SystemSource.Char_result")) ) ); //$NON-NLS-1$ //$NON-NLS-2$
        functions.add(
                new FunctionMethod("chr", QueryPlugin.Util.getString("SystemSource.Chr_desc"), STRING, FUNCTION_CLASS, "chr", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                    new FunctionParameter[] {
                        new FunctionParameter("code", DataTypeManager.DefaultDataTypes.INTEGER, QueryPlugin.Util.getString("SystemSource.Chr_arg1")) }, //$NON-NLS-1$ //$NON-NLS-2$
                    new FunctionParameter("result", DataTypeManager.DefaultDataTypes.CHAR, QueryPlugin.Util.getString("SystemSource.Chr_result")) ) ); //$NON-NLS-1$ //$NON-NLS-2$
  }

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    private void addInitCapFunction() {
        functions.add(
            new FunctionMethod(SourceSystemFunctions.INITCAP, QueryPlugin.Util.getString("SystemSource.Initcap_desc"), STRING, FUNCTION_CLASS, "initCap", //$NON-NLS-1$ //$NON-NLS-2$ 
                new FunctionParameter[] {
                    new FunctionParameter("string", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Initcap_arg1")) }, //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Initcap_result")) ) ); //$NON-NLS-1$ //$NON-NLS-2$
    }

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    private void addLpadFunction() {
        functions.add(
            new FunctionMethod(SourceSystemFunctions.LPAD, QueryPlugin.Util.getString("SystemSource.Lpad_desc"), STRING, FUNCTION_CLASS, "lpad", //$NON-NLS-1$ //$NON-NLS-2$ 
                new FunctionParameter[] {
                    new FunctionParameter("string", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Lpad_arg1")), //$NON-NLS-1$ //$NON-NLS-2$
                    new FunctionParameter("length", DataTypeManager.DefaultDataTypes.INTEGER, QueryPlugin.Util.getString("SystemSource.Lpad_arg2")) }, //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Lpad_result")) ) ); //$NON-NLS-1$ //$NON-NLS-2$
        functions.add(
            new FunctionMethod(SourceSystemFunctions.LPAD, QueryPlugin.Util.getString("SystemSource.Lpad3_desc"), STRING, FUNCTION_CLASS, "lpad", //$NON-NLS-1$ //$NON-NLS-2$ 
                new FunctionParameter[] {
                    new FunctionParameter("string", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Lpad3_arg1")), //$NON-NLS-1$ //$NON-NLS-2$
                    new FunctionParameter("length", DataTypeManager.DefaultDataTypes.INTEGER, QueryPlugin.Util.getString("SystemSource.Lpad3_arg2")), //$NON-NLS-1$ //$NON-NLS-2$
                    new FunctionParameter("char", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Lpad3_arg3")) }, //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Lpad3_result")) ) ); //$NON-NLS-1$ //$NON-NLS-2$
    }

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    private void addRpadFunction() {
        functions.add(
            new FunctionMethod(SourceSystemFunctions.RPAD, QueryPlugin.Util.getString("SystemSource.Rpad1_desc"), STRING, FUNCTION_CLASS, "rpad", //$NON-NLS-1$ //$NON-NLS-2$ 
                new FunctionParameter[] {
                    new FunctionParameter("string", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Rpad1_arg1")), //$NON-NLS-1$ //$NON-NLS-2$
                    new FunctionParameter("length", DataTypeManager.DefaultDataTypes.INTEGER, QueryPlugin.Util.getString("SystemSource.Rpad1_arg2")) }, //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Rpad1_result")) ) ); //$NON-NLS-1$ //$NON-NLS-2$
        functions.add(
            new FunctionMethod(SourceSystemFunctions.RPAD, QueryPlugin.Util.getString("SystemSource.Rpad3_desc"), STRING, FUNCTION_CLASS, "rpad", //$NON-NLS-1$ //$NON-NLS-2$ 
                new FunctionParameter[] {
                    new FunctionParameter("string", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Rpad3_arg1")), //$NON-NLS-1$ //$NON-NLS-2$
                    new FunctionParameter("length", DataTypeManager.DefaultDataTypes.INTEGER, QueryPlugin.Util.getString("SystemSource.Rpad3_arg2")), //$NON-NLS-1$ //$NON-NLS-2$
                    new FunctionParameter("char", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Rpad3_arg3")) }, //$NON-NLS-1$ //$NON-NLS-2$
                new FunctionParameter("result", DataTypeManager.DefaultDataTypes.STRING, QueryPlugin.Util.getString("SystemSource.Rpad3_result")) ) ); //$NON-NLS-1$ //$NON-NLS-2$
    }

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