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java.lang.Objectorg.jpox.store.expression.ScalarExpression
org.jpox.store.expression.StringExpression
Representation of an expression with a string.
Nested Class Summary |
Nested classes inherited from class org.jpox.store.expression.ScalarExpression |
ScalarExpression.DyadicOperator, ScalarExpression.ExpressionList, ScalarExpression.FieldExpression, ScalarExpression.IllegalArgumentTypeException, ScalarExpression.IllegalOperationException, ScalarExpression.MethodInvocationException, ScalarExpression.MonadicOperator, ScalarExpression.Operator |
Field Summary |
Fields inherited from class org.jpox.store.expression.ScalarExpression |
aliasIdentifier, expressionList, FILTER, LOCALISER, lowestOperator, mapping, OP_ADD, OP_AND, OP_BETWEEN, OP_COM, OP_CONCAT, OP_DIV, OP_EQ, OP_GT, OP_GTEQ, OP_IN, OP_IS, OP_ISNOT, OP_LIKE, OP_LT, OP_LTEQ, OP_MOD, OP_MUL, OP_NEG, OP_NOT, OP_NOTEQ, OP_OR, OP_SUB, PROJECTION, qs, st, te |
Constructor Summary | |
protected |
StringExpression(QueryExpression qs)
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StringExpression(QueryExpression qs,
JavaTypeMapping mapping,
LogicSetExpression te)
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StringExpression(ScalarExpression operand1,
ScalarExpression.DyadicOperator op,
ScalarExpression operand2)
Performs a function on two arguments. |
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StringExpression(java.lang.String functionName,
java.util.List args)
Generates statement as e.g. |
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StringExpression(java.lang.String functionName,
java.util.List args,
java.util.List types)
Generates statement as e.g. |
Method Summary | |
ScalarExpression |
add(ScalarExpression expr)
Additive Operator. |
StringExpression |
charAtMethod(ScalarExpression index)
Returns the character at a position. |
BooleanExpression |
endsWithMethod(ScalarExpression str)
Returns whether this string ends with the specified string. |
BooleanExpression |
eq(ScalarExpression expr)
Equality operator (equals to) |
BooleanExpression |
equalsMethod(ScalarExpression expr)
Returns whether this string is equal to the expression. |
BooleanExpression |
gt(ScalarExpression expr)
Relational operator (greater than) |
BooleanExpression |
gteq(ScalarExpression expr)
Relational operator (greater than or equals) |
BooleanExpression |
in(ScalarExpression expr)
In expression. |
NumericExpression |
indexOfMethod(ScalarExpression str)
Returns the index within this string of the first occurrence of the specified string. |
NumericExpression |
indexOfMethod(ScalarExpression str,
ScalarExpression fromIndex)
Returns the index within this string of the first occurrence of the specified character, starting the search at the specified index. |
NumericExpression |
lengthMethod()
Method to handle the starts with operation. |
BooleanExpression |
lt(ScalarExpression expr)
Relational operator (lower than) |
BooleanExpression |
lteq(ScalarExpression expr)
Relational operator (lower than or equals) |
BooleanExpression |
matchesMethod(ScalarExpression expr)
Matches this to the argument expression pattern. |
BooleanExpression |
noteq(ScalarExpression expr)
Equality operator (not equals to) |
BooleanExpression |
startsWithMethod(ScalarExpression str)
Method to handle the starts with operation. |
BooleanExpression |
startsWithMethod(ScalarExpression str,
ScalarExpression toffset)
Method to handle the starts with operation. |
StringExpression |
substringMethod(ScalarExpression begin)
Method to handle the substring operation. |
StringExpression |
substringMethod(ScalarExpression begin,
ScalarExpression end)
Method to handle the substring operation. |
StringExpression |
toLowerCaseMethod()
Method to handle the lower case operation. |
StringExpression |
toUpperCaseMethod()
Method to handle the upper case operation. |
StringExpression |
trimMethod()
Method to handle trimming of a string. |
Methods inherited from class org.jpox.store.expression.ScalarExpression |
accessField, and, as, callMethod, cast, com, div, encloseWithInParentheses, eor, equals, getAlias, getExpressionList, getLogicSetExpression, getMapping, getNonAliasExpression, getQueryExpression, instanceOf, ior, mod, mul, neg, not, sub, toStatementText, toString |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
protected StringExpression(QueryExpression qs)
public StringExpression(QueryExpression qs, JavaTypeMapping mapping, LogicSetExpression te)
qs
- the QueryExpressionmapping
- the mapping associated to this expressionte
- the TableExpression where this expression refers topublic StringExpression(java.lang.String functionName, java.util.List args)
functionName
- args
- ScalarExpression listpublic StringExpression(java.lang.String functionName, java.util.List args, java.util.List types)
functionName
- Name of functionargs
- ScalarExpression listtypes
- String or ScalarExpression listpublic StringExpression(ScalarExpression operand1, ScalarExpression.DyadicOperator op, ScalarExpression operand2)
operand1
- the first expressionop
- the operator between operandsoperand2
- the second expressionMethod Detail |
public BooleanExpression eq(ScalarExpression expr)
ScalarExpression
eq
in class ScalarExpression
expr
- the right-hand operand
public BooleanExpression noteq(ScalarExpression expr)
ScalarExpression
noteq
in class ScalarExpression
expr
- the right-hand operand
public BooleanExpression lt(ScalarExpression expr)
ScalarExpression
lt
in class ScalarExpression
expr
- the right-hand operand
public BooleanExpression lteq(ScalarExpression expr)
ScalarExpression
lteq
in class ScalarExpression
expr
- the right-hand operand
public BooleanExpression gt(ScalarExpression expr)
ScalarExpression
gt
in class ScalarExpression
expr
- the right-hand operand
public BooleanExpression gteq(ScalarExpression expr)
ScalarExpression
gteq
in class ScalarExpression
expr
- the right-hand operand
public ScalarExpression add(ScalarExpression expr)
ScalarExpression
add
in class ScalarExpression
expr
- the right-hand operand
public BooleanExpression in(ScalarExpression expr)
ScalarExpression
expr
in
in class ScalarExpression
expr
- the right-hand expression
public BooleanExpression equalsMethod(ScalarExpression expr)
expr
- The expression to compare against.
public StringExpression charAtMethod(ScalarExpression index)
index
- The position of the character required.
public BooleanExpression endsWithMethod(ScalarExpression str)
str
- The string to compare against.
public NumericExpression indexOfMethod(ScalarExpression str)
str
- The string to find the index of
public NumericExpression indexOfMethod(ScalarExpression str, ScalarExpression fromIndex)
str
- The string to find the index offromIndex
- the index to start the search from.
public NumericExpression lengthMethod()
public BooleanExpression startsWithMethod(ScalarExpression str)
str
- The string to compare against
public BooleanExpression startsWithMethod(ScalarExpression str, ScalarExpression toffset)
str
- The string to compare againsttoffset
- The offset
public StringExpression substringMethod(ScalarExpression begin)
begin
- The start position
public StringExpression substringMethod(ScalarExpression begin, ScalarExpression end)
begin
- The start positionend
- The end position
public StringExpression toLowerCaseMethod()
public StringExpression toUpperCaseMethod()
public BooleanExpression matchesMethod(ScalarExpression expr)
expr
- The literal expression with the pattern.
public StringExpression trimMethod()
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