Examples of ExpressionState

org.springframework.expression.spel.ExpressionState
An ExpressionState is for maintaining per-expression-evaluation state, any changes to it are not seen by other expressions but it gives a place to hold local variables and for component expressions in a compound expression to communicate state. This is in contrast to the EvaluationContext, which is shared amongst expression evaluations, and any changes to it will be seen by other expressions or any code that chooses to ask questions of the context.
It also acts as a place for to define common utility routines that the various Ast nodes might need. @author Andy Clement @since 3.0

Examples of org.springframework.expression.spel.ExpressionState

  public final Object getValue(ExpressionState expressionState) throws EvaluationException {
    if (expressionState != null) {
      return getValueInternal(expressionState).getValue();
    } else {
      // configuration not set - does that matter?
      return getValue(new ExpressionState(new StandardEvaluationContext()));
    }
  }

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Examples of org.springframework.expression.spel.ExpressionState

  public final TypedValue getTypedValue(ExpressionState expressionState) throws EvaluationException {
    if (expressionState != null) {
      return getValueInternal(expressionState);
    } else {
      // configuration not set - does that matter?
      return getTypedValue(new ExpressionState(new StandardEvaluationContext()));
    }
  }

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Examples of org.springframework.expression.spel.ExpressionState




  // implementing Expression
  
  public Object getValue() throws EvaluationException {
    ExpressionState expressionState = new ExpressionState(getEvaluationContext(), configuration);
    return ast.getValue(expressionState);
  }

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Examples of org.springframework.expression.spel.ExpressionState

    ExpressionState expressionState = new ExpressionState(getEvaluationContext(), configuration);
    return ast.getValue(expressionState);
  }


  public Object getValue(Object rootObject) throws EvaluationException {
    ExpressionState expressionState = new ExpressionState(getEvaluationContext(), toTypedValue(rootObject), configuration);
    return ast.getValue(expressionState);
  }

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Examples of org.springframework.expression.spel.ExpressionState

    ExpressionState expressionState = new ExpressionState(getEvaluationContext(), toTypedValue(rootObject), configuration);
    return ast.getValue(expressionState);
  }


  public <T> T getValue(Class<T> expectedResultType) throws EvaluationException {
    ExpressionState expressionState = new ExpressionState(getEvaluationContext(), configuration);
    TypedValue typedResultValue = ast.getTypedValue(expressionState);
    return ExpressionUtils.convertTypedValue(expressionState.getEvaluationContext(), typedResultValue, expectedResultType);
  }

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Examples of org.springframework.expression.spel.ExpressionState

    TypedValue typedResultValue = ast.getTypedValue(expressionState);
    return ExpressionUtils.convertTypedValue(expressionState.getEvaluationContext(), typedResultValue, expectedResultType);
  }


  public <T> T getValue(Object rootObject, Class<T> expectedResultType) throws EvaluationException {
    ExpressionState expressionState = new ExpressionState(getEvaluationContext(), toTypedValue(rootObject), configuration);
    TypedValue typedResultValue = ast.getTypedValue(expressionState);
    return ExpressionUtils.convertTypedValue(expressionState.getEvaluationContext(), typedResultValue, expectedResultType);
  }

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Examples of org.springframework.expression.spel.ExpressionState

    return ExpressionUtils.convertTypedValue(expressionState.getEvaluationContext(), typedResultValue, expectedResultType);
  }


  public Object getValue(EvaluationContext context) throws EvaluationException {
    Assert.notNull(context, "The EvaluationContext is required");
    return ast.getValue(new ExpressionState(context, configuration));
  }

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Examples of org.springframework.expression.spel.ExpressionState

    return ast.getValue(new ExpressionState(context, configuration));
  }
  
  public Object getValue(EvaluationContext context, Object rootObject) throws EvaluationException {
    Assert.notNull(context, "The EvaluationContext is required");
    return ast.getValue(new ExpressionState(context, toTypedValue(rootObject), configuration));
  }

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Examples of org.springframework.expression.spel.ExpressionState

    Assert.notNull(context, "The EvaluationContext is required");
    return ast.getValue(new ExpressionState(context, toTypedValue(rootObject), configuration));
  }


  public <T> T getValue(EvaluationContext context, Class<T> expectedResultType) throws EvaluationException {
    TypedValue typedResultValue = ast.getTypedValue(new ExpressionState(context, configuration));
    return ExpressionUtils.convertTypedValue(context, typedResultValue, expectedResultType);
  }

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Examples of org.springframework.expression.spel.ExpressionState

    TypedValue typedResultValue = ast.getTypedValue(new ExpressionState(context, configuration));
    return ExpressionUtils.convertTypedValue(context, typedResultValue, expectedResultType);
  }
  
  public <T> T getValue(EvaluationContext context, Object rootObject, Class<T> expectedResultType) throws EvaluationException {
    TypedValue typedResultValue = ast.getTypedValue(new ExpressionState(context, toTypedValue(rootObject), configuration));
    return ExpressionUtils.convertTypedValue(context, typedResultValue, expectedResultType);
  }

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