/*
* 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.apache.ignite.internal.processors.hadoop.impl.igfs;
import org.apache.ignite.internal.util.typedef.internal.S;
/**
* IGFS Hadoop stream descriptor.
*/
public class HadoopIgfsStreamDelegate {
/** RPC handler. */
private final HadoopIgfsEx hadoop;
/** Target. */
private final Object target;
/** Optional stream length. */
private final long len;
/**
* Constructor.
*
* @param target Target.
*/
public HadoopIgfsStreamDelegate(HadoopIgfsEx hadoop, Object target) {
this(hadoop, target, -1);
}
/**
* Constructor.
*
* @param target Target.
* @param len Optional length.
*/
public HadoopIgfsStreamDelegate(HadoopIgfsEx hadoop, Object target, long len) {
assert hadoop != null;
assert target != null;
this.hadoop = hadoop;
this.target = target;
this.len = len;
}
/**
* @return RPC handler.
*/
public HadoopIgfsEx hadoop() {
return hadoop;
}
/**
* @return Stream target.
*/
@SuppressWarnings("unchecked")
public <T> T target() {
return (T) target;
}
/**
* @return Length.
*/
public long length() {
return len;
}
/** {@inheritDoc} */
@Override public int hashCode() {
return System.identityHashCode(target);
}
/** {@inheritDoc} */
@Override public boolean equals(Object obj) {
return obj != null && obj instanceof HadoopIgfsStreamDelegate &&
target == ((HadoopIgfsStreamDelegate)obj).target;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(HadoopIgfsStreamDelegate.class, this);
}
}