/*
* Copyright (c) 2008-2017, 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.config;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import com.hazelcast.spi.annotation.Beta;
import com.hazelcast.spi.annotation.PrivateApi;
import java.io.IOException;
import java.io.Serializable;
import static com.hazelcast.util.Preconditions.checkNotNull;
import static com.hazelcast.util.Preconditions.checkPositive;
/**
* Configuration for eviction.
* You can set a limit for number of entries or total memory cost of entries.
*/
@Beta
public class NearCachePreloaderConfig implements IdentifiedDataSerializable, Serializable {
/**
* Default initial delay for the Near Cache key storage.
*/
public static final int DEFAULT_STORE_INITIAL_DELAY_SECONDS = 600;
/**
* Default interval for the Near Cache key storage (in seconds).
*/
public static final int DEFAULT_STORE_INTERVAL_SECONDS = 600;
private boolean enabled;
private String directory = "";
private int storeInitialDelaySeconds = DEFAULT_STORE_INITIAL_DELAY_SECONDS;
private int storeIntervalSeconds = DEFAULT_STORE_INTERVAL_SECONDS;
private NearCachePreloaderConfig readOnly;
public NearCachePreloaderConfig() {
}
public NearCachePreloaderConfig(NearCachePreloaderConfig nearCachePreloaderConfig) {
this(nearCachePreloaderConfig.enabled, nearCachePreloaderConfig.directory);
}
public NearCachePreloaderConfig(String directory) {
this(true, directory);
}
public NearCachePreloaderConfig(boolean enabled, String directory) {
this.enabled = enabled;
this.directory = checkNotNull(directory, "directory cannot be null!");
}
public boolean isEnabled() {
return enabled;
}
public NearCachePreloaderConfig setEnabled(boolean isEnabled) {
this.enabled = isEnabled;
return this;
}
public NearCachePreloaderConfig setDirectory(String directory) {
this.directory = checkNotNull(directory, "directory cannot be null!");
return this;
}
public String getDirectory() {
return directory;
}
public int getStoreInitialDelaySeconds() {
return storeInitialDelaySeconds;
}
public NearCachePreloaderConfig setStoreInitialDelaySeconds(int storeInitialDelaySeconds) {
this.storeInitialDelaySeconds = checkPositive(storeInitialDelaySeconds,
"storeInitialDelaySeconds must be a positive number!");
return this;
}
public int getStoreIntervalSeconds() {
return storeIntervalSeconds;
}
public NearCachePreloaderConfig setStoreIntervalSeconds(int storeIntervalSeconds) {
this.storeIntervalSeconds = checkPositive(storeIntervalSeconds,
"storeIntervalSeconds must be a positive number!");
return this;
}
@Override
public int getFactoryId() {
return ConfigDataSerializerHook.F_ID;
}
@Override
public int getId() {
return ConfigDataSerializerHook.NEAR_CACHE_PRELOADER_CONFIG;
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
out.writeBoolean(enabled);
out.writeUTF(directory);
out.writeInt(storeInitialDelaySeconds);
out.writeInt(storeIntervalSeconds);
}
@Override
public void readData(ObjectDataInput in) throws IOException {
enabled = in.readBoolean();
directory = in.readUTF();
storeInitialDelaySeconds = in.readInt();
storeIntervalSeconds = in.readInt();
}
@Override
public String toString() {
return "NearCachePreloaderConfig{"
+ "enabled=" + enabled
+ ", directory=" + directory
+ ", storeInitialDelaySeconds=" + storeInitialDelaySeconds
+ ", storeIntervalSeconds=" + storeIntervalSeconds
+ '}';
}
NearCachePreloaderConfig getAsReadOnly() {
if (readOnly == null) {
readOnly = new NearCachePreloaderConfigReadOnly(this);
}
return readOnly;
}
/**
* A readonly version of the {@link NearCachePreloaderConfig}.
*/
@Beta
@PrivateApi
private static class NearCachePreloaderConfigReadOnly extends NearCachePreloaderConfig {
public NearCachePreloaderConfigReadOnly() {
}
NearCachePreloaderConfigReadOnly(NearCachePreloaderConfig nearCachePreloaderConfig) {
super(nearCachePreloaderConfig);
}
@Override
public NearCachePreloaderConfig setEnabled(boolean isEnabled) {
throw new UnsupportedOperationException();
}
@Override
public NearCachePreloaderConfig setDirectory(String directory) {
throw new UnsupportedOperationException();
}
@Override
public NearCachePreloaderConfig setStoreInitialDelaySeconds(int storeInitialDelaySeconds) {
throw new UnsupportedOperationException();
}
@Override
public NearCachePreloaderConfig setStoreIntervalSeconds(int storeIntervalSeconds) {
throw new UnsupportedOperationException();
}
@Override
public int getId() {
throw new UnsupportedOperationException("NearCachePreloaderConfigReadOnly is not serializable");
}
}
}