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java.lang.Objectorg.castor.cpa.query.object.AbstractQueryObject
org.castor.cpa.query.object.condition.AbstractCondition
org.castor.cpa.query.object.condition.Comparison
public final class Comparison
Final class that represents comparison simple condition.
Field Summary | |
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static ComparisonOperator |
EQUAL
Equal comparison operator. |
static ComparisonOperator |
GREATER_EQUAL
Greater equal comparison operator. |
static ComparisonOperator |
GREATER_THAN
Greater than comparison operator. |
static ComparisonOperator |
LESS_EQUAL
Less equal comparison operator. |
static ComparisonOperator |
LESS_THAN
Less than comparison operator. |
static ComparisonOperator |
NOT_EQUAL
Not equal comparison operator. |
Constructor Summary | |
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Comparison(ComparisonOperator operator)
Construct new comparison. |
Method Summary | |
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Expression |
getLeftSide()
Get left side expression of comparison condition. |
ComparisonOperator |
getOperator()
Get comarison operator of comparison condition. |
Expression |
getRightSide()
Get right side expression of comparison condition. |
Condition |
not()
NOT condition of condition query object. |
void |
setLeftSide(Expression expression)
Set left side expression of comparison condition. |
void |
setRightSide(Expression expression)
Set right side expression of comparison condition. |
java.lang.StringBuilder |
toString(java.lang.StringBuilder sb)
Append a string representation of the object to the given StringBuilder . |
Methods inherited from class org.castor.cpa.query.object.condition.AbstractCondition |
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and, or |
Methods inherited from class org.castor.cpa.query.object.AbstractQueryObject |
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toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final ComparisonOperator EQUAL
public static final ComparisonOperator NOT_EQUAL
public static final ComparisonOperator LESS_THAN
public static final ComparisonOperator LESS_EQUAL
public static final ComparisonOperator GREATER_EQUAL
public static final ComparisonOperator GREATER_THAN
Constructor Detail |
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public Comparison(ComparisonOperator operator)
operator
- Comparison operator for the comparison.Method Detail |
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public Condition not()
public ComparisonOperator getOperator()
public Expression getLeftSide()
public void setLeftSide(Expression expression)
expression
- Left side expression of comparison condition.public Expression getRightSide()
public void setRightSide(Expression expression)
expression
- Right side expression of comparison condition.public java.lang.StringBuilder toString(java.lang.StringBuilder sb)
StringBuilder
.
In general, the toString method for query objects appends a string that textually
represents this object. The result should be a query string that complies to EJB QL
specification as long as the query object represents a syntay element of it. It is
required that all subclasses override this method.
The toString method defined at class Object is overwritten and calls this method.
sb
- StringBuilder to append the string representation of this object to.
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