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added OSimple for general operations

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This commit is contained in:
Timo Westkämper 2009-04-02 07:19:10 +00:00
parent 579f3caae3
commit e2a105dcb4
3 changed files with 26 additions and 7 deletions
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4
querydsl-core/src/main/java/com/mysema/query/grammar/types/AbstractVisitor.java
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@ -58,6 +58,10 @@ public abstract class AbstractVisitor<SubType extends AbstractVisitor<SubType>>
visit((Operation<?, ?>) expr);
}
@Override
protected void visit(Operation.OSimple<?,?> expr) {
visit((Operation<?, ?>) expr);
}
@Override
protected void visit(Operation.OString expr) {
visit((Operation<?, ?>) expr);
}

27
querydsl-core/src/main/java/com/mysema/query/grammar/types/Operation.java
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@ -5,14 +5,16 @@
*/
package com.mysema.query.grammar.types;
import static java.util.Arrays.*;
import static java.util.Collections.*;
import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableList;
import java.util.List;
import com.mysema.query.grammar.Ops.Op;
import com.mysema.query.grammar.types.Expr.EBoolean;
import com.mysema.query.grammar.types.Expr.EComparable;
import com.mysema.query.grammar.types.Expr.ENumber;
import com.mysema.query.grammar.types.Expr.ESimple;
import com.mysema.query.grammar.types.Expr.EString;
@ -57,10 +59,6 @@ public interface Operation<OP,RT> {
this.op = op;
this.args = unmodifiableList(args);
}
public OComparable(Op<OpType> op, Expr<?>... args){
this(null, op, args);
}
public List<Expr<?>> getArgs() {return args;}
public Op<OpType> getOperator() {return op;}
}
@ -82,7 +80,22 @@ public interface Operation<OP,RT> {
public Op<OpType> getOperator() {return op;}
}
// TODO : OSimple<OP,RT> extends ESimple implements Operation<OP,RT>
public static class OSimple<OpType,D> extends ESimple<D> implements Operation<OpType,D> {
private final List<Expr<?>> args;
private final Op<OpType> op;
public OSimple(Class<D> type, Op<OpType> op, Expr<?>... args){
super(type);
this.op = op;
this.args = unmodifiableList(asList(args));
}
public OSimple(Class<D> type, Op<OpType> op, List<Expr<?>> args){
super(type);
this.op = op;
this.args = unmodifiableList(args);
}
public List<Expr<?>> getArgs() {return args;}
public Op<OpType> getOperator() {return op;}
}
public static class OString extends EString implements Operation<String,String>{
private final List<Expr<?>> args;

2
querydsl-core/src/main/java/com/mysema/query/grammar/types/Visitor.java
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@ -89,6 +89,8 @@ public abstract class Visitor<T extends Visitor<T>> {
protected abstract void visit(Operation.ONumber<?,?> expr);
protected abstract void visit(Operation.OSimple<?,?> expr);
protected abstract void visit(Operation.OString expr);
protected abstract void visit(Operation.OStringArray expr);