From a0c4b252e5867219871b5c6df10219d916e29bff Mon Sep 17 00:00:00 2001 From: Marcin Chrzanowski Date: Mon, 21 Oct 2019 21:45:57 +0200 Subject: Tabs to spaces --- src/pl/edu/mimuw/cloudatlas/model/Value.java | 416 +++++++++++++-------------- 1 file changed, 208 insertions(+), 208 deletions(-) (limited to 'src/pl/edu/mimuw/cloudatlas/model/Value.java') diff --git a/src/pl/edu/mimuw/cloudatlas/model/Value.java b/src/pl/edu/mimuw/cloudatlas/model/Value.java index 236f307..02b4bd4 100644 --- a/src/pl/edu/mimuw/cloudatlas/model/Value.java +++ b/src/pl/edu/mimuw/cloudatlas/model/Value.java @@ -30,212 +30,212 @@ import pl.edu.mimuw.cloudatlas.model.Value; * A single value stored as an attribute. */ public abstract class Value { - /** - * An operation that may be performed on values. - */ - public enum Operation { - EQUAL, COMPARE, ADD, SUBTRACT, MULTIPLY, DIVIDE, MODULO, AND, OR, REG_EXPR, NEGATE, VALUE_SIZE, - } - - /** - * Gets the type of this value. - * - * @return type of this value - */ - public abstract Type getType(); - - /** - * Indicates whether this value is null. Distinct from a Value reference that is null - * itself. - * - * @return true if and only if this value is null - */ - public abstract boolean isNull(); - - protected final void sameTypesOrThrow(Value value, Operation operation) { - if(!getType().isCompatible(value.getType())) - throw new IncompatibleTypesException(getType(), value.getType(), operation); - } - - /** - * Checks whether this value is equal to the specified one (operator ==). - * - * @param value the right side of the operator - * @return a ValueBoolean representing true if and only if both values are equal - * @throws UnsupportedValueOperationException if this operation is unsupported for these values - */ - public Value isEqual(Value value) { - throw new UnsupportedValueOperationException(getType(), Operation.EQUAL); - } - - /** - * Indicates whether this object is equal to another one. - * - * @param object the object to check - * @return whether two objects are equal - */ - @Override - public boolean equals(Object object) { - if(!(object instanceof Value)) - return false; - return ((ValueBoolean)isEqual((Value)object)).getValue(); - } - - /** - * Checks whether this value is lower than the specified one (operator <=). - * - * @param value the right side of the operator - * @return a ValueBoolean representing true if and only if this value is lower than the provided one - * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example - * incompatible or non-numeric types) - */ - public Value isLowerThan(Value value) { - throw new UnsupportedValueOperationException(getType(), Operation.COMPARE); - } - - /** - * Returns a new value created by adding argument to this value (operator +). - * - * @param value the right side of the operator - * @return a sum of two values - * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example - * incompatible or non-numeric types) - */ - public Value addValue(Value value) { - // name clash with add from List interface - throw new UnsupportedValueOperationException(getType(), Operation.ADD); - } - - /** - * Returns a new value created by subtracting argument from this value (operator -). - * - * @param value the right side of the operator - * @return a difference of two values - * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example - * incompatible or non-numeric types) - */ - public Value subtract(Value value) { - throw new UnsupportedValueOperationException(getType(), Operation.SUBTRACT); - } - - /** - * Returns a new value created by multiplying this value by an argument (operator *). - * - * @param value the right side of the operator - * @return a product of two values - * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example - * incompatible or non-numeric types) - */ - public Value multiply(Value value) { - throw new UnsupportedValueOperationException(getType(), Operation.MULTIPLY); - } - - /** - * Returns a new value created by dividing this value by an argument (operator /). - * - * @param value the right side of the operator - * @return a quotient of two values - * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example - * incompatible or non-numeric types) - */ - public Value divide(Value value) { - throw new UnsupportedValueOperationException(getType(), Operation.DIVIDE); - } - - /** - * Returns the remainder of division of this value by an argument (operator %). - * - * @param value the right side of the operator - * @return a remainder - * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example - * incompatible or non-numeric types) - */ - public Value modulo(Value value) { - throw new UnsupportedValueOperationException(getType(), Operation.MODULO); - } - - /** - * Returns the result of a logical AND (operator &&). - * - * @param value the right side of the operator - * @return a conjunction of the two values - * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example - * non-boolean types) - */ - public Value and(Value value) { - throw new UnsupportedValueOperationException(getType(), Operation.AND); - } - - /** - * Returns the result of a logical OR (operator ||). - * - * @param value the right side of the operator - * @return an alternative of two values - * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example - * non-boolean types) - */ - public Value or(Value value) { - throw new UnsupportedValueOperationException(getType(), Operation.OR); - } - - /** - * Returns a result of trying to match to this value with a regular expression specified as an argument. - * - * @param value the regular expression to match against - * @return a ValueBoolean representing true if and only if this value matches provided regular - * expression - * @throws UnsupportedValueOperationException if this operator is unsupported for these values - */ - public Value regExpr(Value value) { - throw new UnsupportedValueOperationException(getType(), Operation.REG_EXPR); - } - - /** - * Returns the negation (numeric or logical) of this value. This may refer to operator - or !, depending on type. - * - * @return a value that is the negation of this value - * @throws UnsupportedValueOperationException if this operator is unsupported for this value - */ - public Value negate() { // !, - - throw new UnsupportedValueOperationException(getType(), Operation.NEGATE); - } - - /** - * Returns the size of this value. Semantics depend on type. - * - * @return a size of this value - * @throws UnsupportedValueOperationException if this operation is unsupported for this value - */ - public Value valueSize() { - // name clash with size from List interface - throw new UnsupportedValueOperationException(getType(), Operation.VALUE_SIZE); - } - - /** - * Returns this value converted to another type. - * - * @param to a desired type - * @return this value converted to the type - * @throws UnsupportedConversionException if a requested conversion is unsupported - */ - public abstract Value convertTo(Type to); - - /** - * Returns a textual representation of this value. This method uses conversion to ValueString. - * - * @return a textual representation of this value - * @see #convertTo(Type) - */ - @Override - public String toString() { - return ((ValueString)convertTo(TypePrimitive.STRING)).getValue(); - } - - /** - * Returns a default value (such as uninitialized variable). This may be 0 for integer types, - * false for boolean, null for complex types etc. - * - * @return a default value of this type - */ - public abstract Value getDefaultValue(); + /** + * An operation that may be performed on values. + */ + public enum Operation { + EQUAL, COMPARE, ADD, SUBTRACT, MULTIPLY, DIVIDE, MODULO, AND, OR, REG_EXPR, NEGATE, VALUE_SIZE, + } + + /** + * Gets the type of this value. + * + * @return type of this value + */ + public abstract Type getType(); + + /** + * Indicates whether this value is null. Distinct from a Value reference that is null + * itself. + * + * @return true if and only if this value is null + */ + public abstract boolean isNull(); + + protected final void sameTypesOrThrow(Value value, Operation operation) { + if(!getType().isCompatible(value.getType())) + throw new IncompatibleTypesException(getType(), value.getType(), operation); + } + + /** + * Checks whether this value is equal to the specified one (operator ==). + * + * @param value the right side of the operator + * @return a ValueBoolean representing true if and only if both values are equal + * @throws UnsupportedValueOperationException if this operation is unsupported for these values + */ + public Value isEqual(Value value) { + throw new UnsupportedValueOperationException(getType(), Operation.EQUAL); + } + + /** + * Indicates whether this object is equal to another one. + * + * @param object the object to check + * @return whether two objects are equal + */ + @Override + public boolean equals(Object object) { + if(!(object instanceof Value)) + return false; + return ((ValueBoolean)isEqual((Value)object)).getValue(); + } + + /** + * Checks whether this value is lower than the specified one (operator <=). + * + * @param value the right side of the operator + * @return a ValueBoolean representing true if and only if this value is lower than the provided one + * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example + * incompatible or non-numeric types) + */ + public Value isLowerThan(Value value) { + throw new UnsupportedValueOperationException(getType(), Operation.COMPARE); + } + + /** + * Returns a new value created by adding argument to this value (operator +). + * + * @param value the right side of the operator + * @return a sum of two values + * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example + * incompatible or non-numeric types) + */ + public Value addValue(Value value) { + // name clash with add from List interface + throw new UnsupportedValueOperationException(getType(), Operation.ADD); + } + + /** + * Returns a new value created by subtracting argument from this value (operator -). + * + * @param value the right side of the operator + * @return a difference of two values + * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example + * incompatible or non-numeric types) + */ + public Value subtract(Value value) { + throw new UnsupportedValueOperationException(getType(), Operation.SUBTRACT); + } + + /** + * Returns a new value created by multiplying this value by an argument (operator *). + * + * @param value the right side of the operator + * @return a product of two values + * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example + * incompatible or non-numeric types) + */ + public Value multiply(Value value) { + throw new UnsupportedValueOperationException(getType(), Operation.MULTIPLY); + } + + /** + * Returns a new value created by dividing this value by an argument (operator /). + * + * @param value the right side of the operator + * @return a quotient of two values + * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example + * incompatible or non-numeric types) + */ + public Value divide(Value value) { + throw new UnsupportedValueOperationException(getType(), Operation.DIVIDE); + } + + /** + * Returns the remainder of division of this value by an argument (operator %). + * + * @param value the right side of the operator + * @return a remainder + * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example + * incompatible or non-numeric types) + */ + public Value modulo(Value value) { + throw new UnsupportedValueOperationException(getType(), Operation.MODULO); + } + + /** + * Returns the result of a logical AND (operator &&). + * + * @param value the right side of the operator + * @return a conjunction of the two values + * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example + * non-boolean types) + */ + public Value and(Value value) { + throw new UnsupportedValueOperationException(getType(), Operation.AND); + } + + /** + * Returns the result of a logical OR (operator ||). + * + * @param value the right side of the operator + * @return an alternative of two values + * @throws UnsupportedValueOperationException if this operator is unsupported for these values (for example + * non-boolean types) + */ + public Value or(Value value) { + throw new UnsupportedValueOperationException(getType(), Operation.OR); + } + + /** + * Returns a result of trying to match to this value with a regular expression specified as an argument. + * + * @param value the regular expression to match against + * @return a ValueBoolean representing true if and only if this value matches provided regular + * expression + * @throws UnsupportedValueOperationException if this operator is unsupported for these values + */ + public Value regExpr(Value value) { + throw new UnsupportedValueOperationException(getType(), Operation.REG_EXPR); + } + + /** + * Returns the negation (numeric or logical) of this value. This may refer to operator - or !, depending on type. + * + * @return a value that is the negation of this value + * @throws UnsupportedValueOperationException if this operator is unsupported for this value + */ + public Value negate() { // !, - + throw new UnsupportedValueOperationException(getType(), Operation.NEGATE); + } + + /** + * Returns the size of this value. Semantics depend on type. + * + * @return a size of this value + * @throws UnsupportedValueOperationException if this operation is unsupported for this value + */ + public Value valueSize() { + // name clash with size from List interface + throw new UnsupportedValueOperationException(getType(), Operation.VALUE_SIZE); + } + + /** + * Returns this value converted to another type. + * + * @param to a desired type + * @return this value converted to the type + * @throws UnsupportedConversionException if a requested conversion is unsupported + */ + public abstract Value convertTo(Type to); + + /** + * Returns a textual representation of this value. This method uses conversion to ValueString. + * + * @return a textual representation of this value + * @see #convertTo(Type) + */ + @Override + public String toString() { + return ((ValueString)convertTo(TypePrimitive.STRING)).getValue(); + } + + /** + * Returns a default value (such as uninitialized variable). This may be 0 for integer types, + * false for boolean, null for complex types etc. + * + * @return a default value of this type + */ + public abstract Value getDefaultValue(); } -- cgit v1.2.3