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Remove Preconditions class 

We don't need our own anymore, since we removed the Elasticsearch illegal argument exception
This commit is contained in:
Shay Banon 2015-04-29 11:37:32 +02:00
parent 32759398a5
commit 11bf7074d7
16 changed files with 22 additions and 321 deletions
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2
src/main/java/org/elasticsearch/cluster/metadata/IndexMetaData.java
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@ -21,6 +21,7 @@ package org.elasticsearch.cluster.metadata;
import com.carrotsearch.hppc.cursors.ObjectCursor;
import com.carrotsearch.hppc.cursors.ObjectObjectCursor;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableMap;
import org.elasticsearch.Version;
import org.elasticsearch.cluster.block.ClusterBlock;
@ -29,7 +30,6 @@ import org.elasticsearch.cluster.node.DiscoveryNodeFilters;
import org.elasticsearch.cluster.routing.HashFunction;
import org.elasticsearch.cluster.routing.Murmur3HashFunction;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.Preconditions;
import org.elasticsearch.common.collect.ImmutableOpenMap;
import org.elasticsearch.common.collect.MapBuilder;
import org.elasticsearch.common.compress.CompressedString;

289
src/main/java/org/elasticsearch/common/Preconditions.java
View File

@ -1,289 +0,0 @@
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.common;
import org.elasticsearch.ElasticsearchNullPointerException;
import java.util.NoSuchElementException;
/**
* Simple static methods to be called at the start of your own methods to verify
* correct arguments and state. This allows constructs such as
* <pre>
* if (count <= 0) {
* throw new ElasticsearchIllegalArgumentException("must be positive: " + count);
* }</pre>
*
* to be replaced with the more compact
* <pre>
* checkArgument(count > 0, "must be positive: %s", count);</pre>
*
* Note that the sense of the expression is inverted; with {@code Preconditions}
* you declare what you expect to be <i>true</i>, just as you do with an
* <a href="http://java.sun.com/j2se/1.5.0/docs/guide/language/assert.html">
* {@code assert}</a> or a JUnit {@code assertTrue()} call.
*
* <p>Take care not to confuse precondition checking with other similar types
* of checks! Precondition exceptions -- including those provided here, but also
* {@link IndexOutOfBoundsException}, {@link NoSuchElementException}, {@link
* UnsupportedOperationException} and others -- are used to signal that the
* <i>calling method</i> has made an error. This tells the caller that it should
* not have invoked the method when it did, with the arguments it did, or
* perhaps <i>ever</i>. Postcondition or other invariant failures should not
* throw these types of exceptions.
*
* <p><b>Note:</b> The methods of the {@code Preconditions} class are highly
* unusual in one way: they are <i>supposed to</i> throw exceptions, and promise
* in their specifications to do so even when given perfectly valid input. That
* is, {@code null} is a valid parameter to the method {@link
* #checkNotNull(Object)} -- and technically this parameter could be even marked
* as Nullable -- yet the method will still throw an exception anyway,
* because that's what its contract says to do.
*
*
*/
public final class Preconditions {
private Preconditions() {
}
/**
* Ensures the truth of an expression involving one or more parameters to the
* calling method.
*
* @param expression a boolean expression
* @throws IllegalArgumentException
* if {@code expression} is false
*/
public static void checkArgument(boolean expression) {
if (!expression) {
throw new IllegalArgumentException();
}
}
/**
* Ensures the truth of an expression involving one or more parameters to the
* calling method.
*
* @param expression a boolean expression
* @param errorMessage the exception message to use if the check fails; will
* be converted to a string using {@link String#valueOf(Object)}
* @throws IllegalArgumentException
* if {@code expression} is false
*/
public static void checkArgument(boolean expression, Object errorMessage) {
if (!expression) {
throw new IllegalArgumentException(String.valueOf(errorMessage));
}
}
/**
* Ensures the truth of an expression involving one or more parameters to the
* calling method.
*
* @param expression a boolean expression
* @param errorMessageTemplate a template for the exception message should the
* check fail. The message is formed by replacing each {@code %s}
* placeholder in the template with an argument. These are matched by
* position - the first {@code %s} gets {@code errorMessageArgs[0]}, etc.
* Unmatched arguments will be appended to the formatted message in square
* braces. Unmatched placeholders will be left as-is.
* @param errorMessageArgs the arguments to be substituted into the message
* template. Arguments are converted to strings using
* {@link String#valueOf(Object)}.
* @throws IllegalArgumentException
* if {@code expression} is false
* @throws org.elasticsearch.ElasticsearchNullPointerException
* if the check fails and either {@code
* errorMessageTemplate} or {@code errorMessageArgs} is null (don't let
* this happen)
*/
public static void checkArgument(boolean expression,
String errorMessageTemplate, Object... errorMessageArgs) {
if (!expression) {
throw new IllegalArgumentException(
format(errorMessageTemplate, errorMessageArgs));
}
}
/**
* Ensures the truth of an expression involving the state of the calling
* instance, but not involving any parameters to the calling method.
*
* @param expression a boolean expression
* @throws IllegalStateException
* if {@code expression} is false
*/
public static void checkState(boolean expression) {
if (!expression) {
throw new IllegalStateException();
}
}
/**
* Ensures the truth of an expression involving the state of the calling
* instance, but not involving any parameters to the calling method.
*
* @param expression a boolean expression
* @param errorMessage the exception message to use if the check fails; will
* be converted to a string using {@link String#valueOf(Object)}
* @throws IllegalStateException
* if {@code expression} is false
*/
public static void checkState(boolean expression, Object errorMessage) {
if (!expression) {
throw new IllegalStateException(String.valueOf(errorMessage));
}
}
/**
* Ensures the truth of an expression involving the state of the calling
* instance, but not involving any parameters to the calling method.
*
* @param expression a boolean expression
* @param errorMessageTemplate a template for the exception message should the
* check fail. The message is formed by replacing each {@code %s}
* placeholder in the template with an argument. These are matched by
* position - the first {@code %s} gets {@code errorMessageArgs[0]}, etc.
* Unmatched arguments will be appended to the formatted message in square
* braces. Unmatched placeholders will be left as-is.
* @param errorMessageArgs the arguments to be substituted into the message
* template. Arguments are converted to strings using
* {@link String#valueOf(Object)}.
* @throws IllegalStateException
* if {@code expression} is false
* @throws org.elasticsearch.ElasticsearchNullPointerException
* if the check fails and either {@code
* errorMessageTemplate} or {@code errorMessageArgs} is null (don't let
* this happen)
*/
public static void checkState(boolean expression,
String errorMessageTemplate, Object... errorMessageArgs) {
if (!expression) {
throw new IllegalStateException(
format(errorMessageTemplate, errorMessageArgs));
}
}
/**
* Ensures that an object reference passed as a parameter to the calling
* method is not null.
*
* @param reference an object reference
* @return the non-null reference that was validated
* @throws org.elasticsearch.ElasticsearchNullPointerException
* if {@code reference} is null
*/
public static <T> T checkNotNull(T reference) {
if (reference == null) {
throw new ElasticsearchNullPointerException();
}
return reference;
}
/**
* Ensures that an object reference passed as a parameter to the calling
* method is not null.
*
* @param reference an object reference
* @param errorMessage the exception message to use if the check fails; will
* be converted to a string using {@link String#valueOf(Object)}
* @return the non-null reference that was validated
* @throws org.elasticsearch.ElasticsearchNullPointerException
* if {@code reference} is null
*/
public static <T> T checkNotNull(T reference, Object errorMessage) {
if (reference == null) {
throw new ElasticsearchNullPointerException(String.valueOf(errorMessage));
}
return reference;
}
/**
* Ensures that an object reference passed as a parameter to the calling
* method is not null.
*
* @param reference an object reference
* @param errorMessageTemplate a template for the exception message should the
* check fail. The message is formed by replacing each {@code %s}
* placeholder in the template with an argument. These are matched by
* position - the first {@code %s} gets {@code errorMessageArgs[0]}, etc.
* Unmatched arguments will be appended to the formatted message in square
* braces. Unmatched placeholders will be left as-is.
* @param errorMessageArgs the arguments to be substituted into the message
* template. Arguments are converted to strings using
* {@link String#valueOf(Object)}.
* @return the non-null reference that was validated
* @throws org.elasticsearch.ElasticsearchNullPointerException
* if {@code reference} is null
*/
public static <T> T checkNotNull(T reference, String errorMessageTemplate,
Object... errorMessageArgs) {
if (reference == null) {
// If either of these parameters is null, the right thing happens anyway
throw new ElasticsearchNullPointerException(
format(errorMessageTemplate, errorMessageArgs));
}
return reference;
}
/**
* Substitutes each {@code %s} in {@code template} with an argument. These
* are matched by position - the first {@code %s} gets {@code args[0]}, etc.
* If there are more arguments than placeholders, the unmatched arguments will
* be appended to the end of the formatted message in square braces.
*
* @param template a non-null string containing 0 or more {@code %s}
* placeholders.
* @param args the arguments to be substituted into the message
* template. Arguments are converted to strings using
* {@link String#valueOf(Object)}. Arguments can be null.
*/
// VisibleForTesting
static String format(String template, Object... args) {
// start substituting the arguments into the '%s' placeholders
StringBuilder builder = new StringBuilder(
template.length() + 16 * args.length);
int templateStart = 0;
int i = 0;
while (i < args.length) {
int placeholderStart = template.indexOf("%s", templateStart);
if (placeholderStart == -1) {
break;
}
builder.append(template.substring(templateStart, placeholderStart));
builder.append(args[i++]);
templateStart = placeholderStart + 2;
}
builder.append(template.substring(templateStart));
// if we run out of placeholders, append the extra args in square braces
if (i < args.length) {
builder.append(" [");
builder.append(args[i++]);
while (i < args.length) {
builder.append(", ");
builder.append(args[i++]);
}
builder.append("]");
}
return builder.toString();
}
}

2
src/main/java/org/elasticsearch/common/collect/CopyOnWriteHashMap.java
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@ -19,11 +19,11 @@
package org.elasticsearch.common.collect;
import com.google.common.base.Preconditions;
import com.google.common.collect.Maps;
import com.google.common.collect.UnmodifiableIterator;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.lucene.util.mutable.MutableValueInt;
import org.elasticsearch.common.Preconditions;
import java.util.*;

4
src/main/java/org/elasticsearch/common/io/Streams.java
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@ -20,14 +20,12 @@
package org.elasticsearch.common.io;
import com.google.common.base.Charsets;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
import org.elasticsearch.common.Preconditions;
import org.elasticsearch.common.io.stream.BytesStreamOutput;
import org.elasticsearch.common.util.Callback;
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
/**

4
src/main/java/org/elasticsearch/common/property/PropertyPlaceholder.java
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@ -19,7 +19,7 @@
package org.elasticsearch.common.property;
import org.elasticsearch.common.Preconditions;
import com.google.common.base.Preconditions;
import org.elasticsearch.common.Strings;
import java.util.HashSet;
@ -159,7 +159,7 @@ public class PropertyPlaceholder {
*
* @see PropertyPlaceholder
*/
public static interface PlaceholderResolver {
public interface PlaceholderResolver {
/**
* Resolves the supplied placeholder name into the replacement value.

2
src/main/java/org/elasticsearch/common/unit/Fuzziness.java
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@ -18,10 +18,10 @@
*/
package org.elasticsearch.common.unit;
import com.google.common.base.Preconditions;
import org.apache.lucene.search.FuzzyQuery;
import org.apache.lucene.util.automaton.LevenshteinAutomata;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.Preconditions;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentBuilderString;

2
src/main/java/org/elasticsearch/common/unit/SizeValue.java
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@ -19,8 +19,8 @@
package org.elasticsearch.common.unit;
import com.google.common.base.Preconditions;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.common.Preconditions;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;

2
src/main/java/org/elasticsearch/common/util/CollectionUtils.java
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@ -23,8 +23,8 @@ import com.carrotsearch.hppc.DoubleArrayList;
import com.carrotsearch.hppc.FloatArrayList;
import com.carrotsearch.hppc.LongArrayList;
import com.carrotsearch.hppc.ObjectArrayList;
import com.google.common.base.Preconditions;
import org.apache.lucene.util.*;
import org.elasticsearch.common.Preconditions;
import java.util.*;

2
src/main/java/org/elasticsearch/gateway/MetaDataStateFormat.java
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@ -18,6 +18,7 @@
*/
package org.elasticsearch.gateway;
import com.google.common.base.Preconditions;
import com.google.common.base.Predicate;
import com.google.common.collect.Collections2;
import org.apache.lucene.codecs.CodecUtil;
@ -27,7 +28,6 @@ import org.apache.lucene.index.IndexFormatTooOldException;
import org.apache.lucene.store.*;
import org.apache.lucene.util.IOUtils;
import org.elasticsearch.ExceptionsHelper;
import org.elasticsearch.common.Preconditions;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.lucene.store.InputStreamIndexInput;
import org.elasticsearch.common.xcontent.*;

8
src/main/java/org/elasticsearch/http/HttpServerModule.java
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@ -19,14 +19,12 @@
package org.elasticsearch.http;
import com.google.common.base.Preconditions;
import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.http.netty.NettyHttpServerTransport;
import org.elasticsearch.plugins.Plugin;
import static org.elasticsearch.common.Preconditions.checkNotNull;
/**
*
@ -60,8 +58,8 @@ public class HttpServerModule extends AbstractModule {
}
public void setHttpServerTransport(Class<? extends HttpServerTransport> httpServerTransport, String source) {
checkNotNull(httpServerTransport, "Configured http server transport may not be null");
checkNotNull(source, "Plugin, that changes transport may not be null");
Preconditions.checkNotNull(httpServerTransport, "Configured http server transport may not be null");
Preconditions.checkNotNull(source, "Plugin, that changes transport may not be null");
this.configuredHttpServerTransport = httpServerTransport;
this.configuredHttpServerTransportSource = source;
}

3
src/main/java/org/elasticsearch/index/engine/Engine.java
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@ -19,6 +19,7 @@
package org.elasticsearch.index.engine;
import com.google.common.base.Preconditions;
import org.apache.lucene.index.*;
import org.apache.lucene.search.Filter;
import org.apache.lucene.search.IndexSearcher;
@ -27,10 +28,8 @@ import org.apache.lucene.search.SearcherManager;
import org.apache.lucene.search.join.BitDocIdSetFilter;
import org.apache.lucene.util.Accountable;
import org.apache.lucene.util.Accountables;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.ExceptionsHelper;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.Preconditions;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.lease.Releasable;
import org.elasticsearch.common.lease.Releasables;

2
src/main/java/org/elasticsearch/index/mapper/DocumentMapper.java
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@ -19,6 +19,7 @@
package org.elasticsearch.index.mapper;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;
import org.apache.lucene.document.Field;
@ -27,7 +28,6 @@ import org.apache.lucene.search.Filter;
import org.apache.lucene.util.BitDocIdSet;
import org.elasticsearch.ElasticsearchGenerationException;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.Preconditions;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.collect.MapBuilder;

3
src/main/java/org/elasticsearch/index/merge/policy/LogByteSizeMergePolicyProvider.java
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@ -19,9 +19,8 @@
package org.elasticsearch.index.merge.policy;
import com.google.common.base.Preconditions;
import org.apache.lucene.index.LogByteSizeMergePolicy;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.common.Preconditions;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.ByteSizeUnit;

3
src/main/java/org/elasticsearch/index/merge/policy/LogDocMergePolicyProvider.java
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@ -19,9 +19,8 @@
package org.elasticsearch.index.merge.policy;
import com.google.common.base.Preconditions;
import org.apache.lucene.index.LogDocMergePolicy;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.common.Preconditions;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.settings.IndexSettingsService;

2
src/main/java/org/elasticsearch/index/shard/IndexShard.java
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@ -21,6 +21,7 @@ package org.elasticsearch.index.shard;
import com.google.common.base.Charsets;
import com.google.common.base.Preconditions;
import org.apache.lucene.codecs.PostingsFormat;
import org.apache.lucene.index.CheckIndex;
import org.apache.lucene.search.Filter;
@ -42,7 +43,6 @@ import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.cluster.routing.ShardRoutingState;
import org.elasticsearch.common.Booleans;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.Preconditions;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.collect.Tuple;

13
src/main/java/org/elasticsearch/transport/TransportModule.java
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@ -19,18 +19,15 @@
package org.elasticsearch.transport;
import org.elasticsearch.action.admin.cluster.node.liveness.TransportLivenessAction;
import com.google.common.base.Preconditions;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.transport.local.LocalTransport;
import org.elasticsearch.transport.netty.NettyTransport;
import static org.elasticsearch.common.Preconditions.checkNotNull;
/**
*
*/
@ -78,15 +75,15 @@ public class TransportModule extends AbstractModule {
}
public void setTransportService(Class<? extends TransportService> transportService, String source) {
checkNotNull(transportService, "Configured transport service may not be null");
checkNotNull(source, "Plugin, that changes transport service may not be null");
Preconditions.checkNotNull(transportService, "Configured transport service may not be null");
Preconditions.checkNotNull(source, "Plugin, that changes transport service may not be null");
this.configuredTransportService = transportService;
this.configuredTransportServiceSource = source;
}
public void setTransport(Class<? extends Transport> transport, String source) {
checkNotNull(transport, "Configured transport may not be null");
checkNotNull(source, "Plugin, that changes transport may not be null");
Preconditions.checkNotNull(transport, "Configured transport may not be null");
Preconditions.checkNotNull(source, "Plugin, that changes transport may not be null");
this.configuredTransport = transport;
this.configuredTransportSource = source;
}