/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.query.sql.symbol;
import java.util.List;
import org.teiid.core.types.DataTypeManager;
import org.teiid.core.util.Assertion;
import org.teiid.core.util.EquivalenceUtil;
import org.teiid.core.util.HashCodeUtil;
import org.teiid.query.sql.LanguageObject;
import org.teiid.query.sql.LanguageVisitor;
import org.teiid.query.sql.visitor.SQLStringVisitor;
public class Array implements Expression {
private Class<?> type;
private List<Expression> expressions;
private boolean implicit;
public Array(List<Expression> expressions) {
this.expressions = expressions;
}
public Array(Class<?> baseType, List<Expression> expresssions) {
setComponentType(baseType);
this.expressions = expresssions;
}
@Override
public Class<?> getType() {
return type;
}
public void setType(Class<?> type) {
if (type != null) {
Assertion.assertTrue(type.isArray());
}
this.type = type;
}
@Override
public void acceptVisitor(LanguageVisitor visitor) {
visitor.visit(this);
}
@Override
public Array clone() {
Array clone = new Array(LanguageObject.Util.deepClone(getExpressions(), Expression.class));
clone.type = type;
clone.implicit = implicit;
return clone;
}
public Class<?> getComponentType() {
if (this.type != null) {
return this.type.getComponentType();
}
return null;
}
public void setComponentType(Class<?> baseType) {
if (baseType != null) {
this.type = DataTypeManager.getArrayType(baseType);
} else {
this.type = null;
}
}
public List<Expression> getExpressions() {
return expressions;
}
@Override
public int hashCode() {
return HashCodeUtil.expHashCode(0, getExpressions());
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof Array)) {
return false;
}
Array other = (Array) obj;
return EquivalenceUtil.areEqual(type, other.type) && EquivalenceUtil.areEqual(expressions, other.expressions);
}
@Override
public String toString() {
return SQLStringVisitor.getSQLString(this);
}
public void setImplicit(boolean implicit) {
this.implicit = implicit;
}
/**
* If the array has been implicitly constructed, such as with vararg parameters
* @return
*/
public boolean isImplicit() {
return implicit;
}
}