org.codehaus.groovy.runtime.dgmimpl.arrays.DoubleArrayGetAtMetaMethod Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.codehaus.groovy.runtime.dgmimpl.arrays;
import groovy.lang.MetaClassImpl;
import groovy.lang.MetaMethod;
import org.codehaus.groovy.reflection.CachedClass;
import org.codehaus.groovy.reflection.ReflectionCache;
import org.codehaus.groovy.runtime.callsite.CallSite;
import org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite;
public class DoubleArrayGetAtMetaMethod extends ArrayGetAtMetaMethod {
private static final CachedClass ARR_CLASS = ReflectionCache.getCachedClass(double[].class);
public Class getReturnType() {
return Double.class;
}
public final CachedClass getDeclaringClass() {
return ARR_CLASS;
}
public Object invoke(Object object, Object[] args) {
final double[] objects = (double[]) object;
return objects[normaliseIndex((Integer) args[0], objects.length)];
}
public CallSite createPojoCallSite(CallSite site, MetaClassImpl metaClass, MetaMethod metaMethod, Class[] params, Object receiver, Object[] args) {
if (!(args[0] instanceof Integer))
return PojoMetaMethodSite.createNonAwareCallSite(site, metaClass, metaMethod, params, args);
else
return new MyPojoMetaMethodSite(site, metaClass, metaMethod, params);
}
private static class MyPojoMetaMethodSite extends PojoMetaMethodSite {
public MyPojoMetaMethodSite(CallSite site, MetaClassImpl metaClass, MetaMethod metaMethod, Class[] params) {
super(site, metaClass, metaMethod, params);
}
public Object call(Object receiver, Object arg) throws Throwable {
if ((receiver instanceof double[] && arg instanceof Integer)
&& checkPojoMetaClass()) {
final double[] objects = (double[]) receiver;
return objects[normaliseIndex((Integer) arg, objects.length)];
} else
return super.call(receiver, arg);
}
}
}