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added clone and equals to Operation implementations

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added equals and hashCode to JoinExpression
This commit is contained in:
Timo Westkämper 2009-03-30 14:33:28 +00:00
parent 29ef4944a1
commit c770144669
3 changed files with 42 additions and 6 deletions
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26
querydsl-core/src/main/java/com/mysema/query/JoinExpression.java
View File

@ -5,7 +5,10 @@
*/
package com.mysema.query;
import org.apache.commons.lang.builder.EqualsBuilder;
import com.mysema.query.grammar.types.Expr;
import com.mysema.query.util.Assert;
/**
* JoinExpression represents a join element in a Query instance
@ -21,13 +24,13 @@ public class JoinExpression<T> {
public JoinExpression(JoinType type, Expr<?> target) {
this.type = type;
this.target = target;
this.target = Assert.notNull(target);
this.metadata = null;
}
public JoinExpression(JoinType type, Expr<?> target, T metadata) {
this.type = type;
this.target = target;
this.target = Assert.notNull(target);
this.metadata = metadata;
}
@ -55,4 +58,23 @@ public class JoinExpression<T> {
return type + " " + target;
}
@Override
public int hashCode(){
return target.hashCode();
}
@Override
public boolean equals(Object o){
if (o instanceof JoinExpression){
JoinExpression<?> j = (JoinExpression<?>)o;
return new EqualsBuilder()
.append(condition, j.condition)
.append(metadata, j.metadata)
.append(target, j.target)
.append(type, j.type).isEquals();
}else{
return false;
}
}
}

2
querydsl-core/src/main/java/com/mysema/query/grammar/types/Expr.java
View File

@ -24,7 +24,7 @@ import com.mysema.query.util.NumberUtil;
* @author tiwe
* @version $Id$
*/
public abstract class Expr<D> {
public abstract class Expr<D>{
private final Class<? extends D> type;
private String toString;

20
querydsl-core/src/main/java/com/mysema/query/grammar/types/Operation.java
View File

@ -37,7 +37,9 @@ public interface Operation<OP,RT> {
}
public Expr<?>[] getArgs() {return args;}
public Op<Boolean> getOperator() {return op;}
public OBoolean clone(){
return new OBoolean(op, args.clone());
}
}
/**
@ -56,7 +58,10 @@ public interface Operation<OP,RT> {
this(null, op, args);
}
public Expr<?>[] getArgs() {return args;}
public Op<OpType> getOperator() {return op;}
public Op<OpType> getOperator() {return op;}
public OComparable<OpType,D> clone(){
return new OComparable<OpType,D>((Class<D>)getType(), op, args.clone());
}
}
/**
@ -75,7 +80,10 @@ public interface Operation<OP,RT> {
this(null, op, args);
}
public Expr<?>[] getArgs() {return args;}
public Op<OpType> getOperator() {return op;}
public Op<OpType> getOperator() {return op;}
public ONumber<OpType,D> clone(){
return new ONumber<OpType,D>((Class<D>)getType(), op, args.clone());
}
}
/**
@ -90,6 +98,9 @@ public interface Operation<OP,RT> {
}
public Expr<?>[] getArgs() {return args;}
public Op<String> getOperator() {return op;}
public OString clone(){
return new OString(op, args.clone());
}
}
public static class OStringArray extends Expr<String[]> implements Operation<String,String[]>{
@ -102,6 +113,9 @@ public interface Operation<OP,RT> {
}
public Expr<?>[] getArgs() {return args;}
public Op<String> getOperator() {return op;}
public OStringArray clone(){
return new OStringArray(op, args.clone());
}
}
}