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java.lang.Objectorg.castor.cpa.query.object.AbstractQueryObject
org.castor.cpa.query.object.expression.AbstractExpression
org.castor.cpa.query.object.expression.CompoundExpression
public abstract class CompoundExpression
Abstract base class for compound expression.
Constructor Summary | |
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CompoundExpression()
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Method Summary | |
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void |
addExpression(Expression expression)
Add expression to the end of the list. |
java.util.List<Expression> |
getExpressions()
Get list of expressions. |
protected abstract java.lang.String |
getOperator()
Get operator of the compound expression. |
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.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 |
Constructor Detail |
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public CompoundExpression()
Method Detail |
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protected abstract java.lang.String getOperator()
public final void addExpression(Expression expression)
expression
- Expression to add to end of list.public final java.util.List<Expression> getExpressions()
public final 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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