org.springframework.data.gemfire.function.execution.GemfireOnRegionFunctionTemplate.java Source code

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/*
 * Copyright 2002-2019 the original author or authors.
 *
 * 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
 *
 * https://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.springframework.data.gemfire.function.execution;

import java.util.Set;

import org.apache.geode.cache.Region;
import org.apache.geode.cache.execute.Function;
import org.springframework.util.Assert;

/**
 * @author David Turanski
 * @author John Blum
 */
public class GemfireOnRegionFunctionTemplate extends AbstractFunctionTemplate implements GemfireOnRegionOperations {

    private final Region<?, ?> region;

    /**
     * Constructs a new instance of the {@link GemfireOnRegionFunctionTemplate} initialized with
     * the given {@link Region}.
     *
     * @param region the {@link Region} upon which the {@link Function} will be executed.
     * @throws IllegalArgumentException if {@link Region} is {@literal null}.
     * @see org.apache.geode.cache.Region
     */
    public GemfireOnRegionFunctionTemplate(Region<?, ?> region) {

        Assert.notNull(region, "Region must not be null");

        this.region = region;
    }

    @Override
    protected RegionFunctionExecution getFunctionExecution() {
        return new RegionFunctionExecution(this.region);
    }

    @Override
    public <T> Iterable<T> execute(String functionId, Set<?> keys, Object... args) {

        return execute(getFunctionExecution().setKeys(keys).setFunctionId(functionId).setTimeout(this.timeout)
                .setArgs(args));
    }

    @Override
    public <T> T executeAndExtract(String functionId, Set<?> keys, Object... args) {

        return executeAndExtract(getFunctionExecution().setKeys(keys).setFunctionId(functionId)
                .setTimeout(this.timeout).setArgs(args));
    }

    @Override
    public void executeWithNoResult(String functionId, Set<?> keys, Object... args) {

        execute(getFunctionExecution().setKeys(keys).setFunctionId(functionId).setTimeout(this.timeout)
                .setArgs(args), false);
    }
}