com.hazelcast.query.impl.getters.ImmutableMultiResult Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2018, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.query.impl.getters;
import java.util.List;
/**
* Immutable version of the MultiResult.
*
* @param type of the underlying result store in the MultiResult
*/
public final class ImmutableMultiResult extends MultiResult {
private final MultiResult multiResult;
public ImmutableMultiResult(MultiResult multiResult) {
this.multiResult = multiResult;
}
/**
* @param result result to be added to this MultiResult
*/
public void add(T result) {
throw new UnsupportedOperationException("Can't modify an immutable MultiResult");
}
public void addNullOrEmptyTarget() {
throw new UnsupportedOperationException("Can't modify an immutable MultiResult");
}
/**
* @return a mutable underlying list of collected results
*/
public List getResults() {
return multiResult.getResults();
}
/**
* @return true if the MultiResult is empty; false otherwise
*/
public boolean isEmpty() {
return multiResult.isEmpty();
}
public boolean isNullEmptyTarget() {
return multiResult.isNullEmptyTarget();
}
public void setNullOrEmptyTarget(boolean nullOrEmptyTarget) {
throw new UnsupportedOperationException("Can't modify an immutable MultiResult");
}
}