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Allows Java applications to use Scassandra
/*
* Copyright (C) 2014 Christopher Batey
*
* 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 org.scassandra.http.client;
import org.scassandra.cql.CqlType;
import org.scassandra.http.client.types.ColumnMetadata;
import java.util.*;
public final class PrimingRequest {
public static PrimingRequestBuilder queryBuilder() {
return new PrimingRequestBuilder(PrimingRequestBuilder.PrimeType.QUERY);
}
public static PrimingRequestBuilder preparedStatementBuilder() {
return new PrimingRequestBuilder(PrimingRequestBuilder.PrimeType.PREPARED);
}
public static Then.ThenBuilder then() {
return new Then.ThenBuilder();
}
transient PrimingRequestBuilder.PrimeType primeType;
public static class PrimingRequestBuilder {
PrimeType type;
static enum PrimeType {
QUERY, PREPARED
}
private PrimingRequestBuilder(PrimeType type) {
this.type = type;
}
private Consistency[] consistency;
private List columnTypesMeta;
private List variableTypesMeta;
private String query;
private String queryPattern;
private List> rows;
private Result result = Result.success;
private Long fixedDelay;
private Map config = new HashMap();
private Then then;
public PrimingRequestBuilder withQuery(String query) {
this.query = query;
return this;
}
public PrimingRequestBuilder withConsistency(Consistency... consistencies) {
consistency = consistencies;
return this;
}
public PrimingRequestBuilder withQueryPattern(String queryPattern) {
this.queryPattern = queryPattern;
return this;
}
/**
* If this method is used on the builder any call to the deprecated withThen methods
* will be ignored.
* @param then The action to take if the prime matches
* @return this
*/
public PrimingRequestBuilder withThen(Then then) {
this.then = then;
return this;
}
/**
* If this method is used on the builder any call to the deprecated withThen methods
* will be ignored.
* @param then The action to take if the prime matches
* @return this
*/
public PrimingRequestBuilder withThen(Then.ThenBuilder then) {
this.then = then.build();
return this;
}
/**
* @deprecated Use ThenBuilder instead.
*/
@Deprecated
public PrimingRequestBuilder withFixedDelay(long fixedDelay) {
this.fixedDelay = fixedDelay;
return this;
}
/**
* @deprecated Use ThenBuilder instead.
*/
@Deprecated
public PrimingRequestBuilder withRows(List> rows) {
this.rows = rows;
return this;
}
/**
* @deprecated Use ThenBuilder instead.
*/
@Deprecated
@SafeVarargs
public final PrimingRequestBuilder withRows(Map... rows) {
this.rows = Arrays.asList(rows);
return this;
}
/**
* @deprecated Use ThenBuilder instead.
*/
@Deprecated
public PrimingRequestBuilder withResult(Result result) {
this.result = result;
return this;
}
/**
* @deprecated Use ThenBuilder instead.
*/
@Deprecated
public PrimingRequestBuilder withColumnTypes(ColumnMetadata... columnMetadata) {
this.columnTypesMeta = Arrays.asList(columnMetadata);
return this;
}
/**
* @deprecated Use ThenBuilder instead.
*/
@Deprecated
public PrimingRequestBuilder withConfig(Config readTimeoutConfig) {
this.config.putAll(readTimeoutConfig.getProperties());
return this;
}
/**
* @deprecated Use ColumnMetadata instead. This will be removed in version 1.0
*/
@Deprecated
public PrimingRequestBuilder withColumnTypes(Map types) {
List columnMetadata = new ArrayList();
for (Map.Entry entry : types.entrySet()) {
columnMetadata.add(ColumnMetadata.column(entry.getKey(), entry.getValue().getType()));
}
this.columnTypesMeta = columnMetadata;
return this;
}
/**
* @deprecated Use CqlType instead. This will be removed in version 1.0
*/
@Deprecated
public PrimingRequestBuilder withVariableTypes(ColumnTypes... variableTypes) {
List variableTypesMeta = new ArrayList();
for (ColumnTypes variableType : variableTypes) {
variableTypesMeta.add(variableType.getType());
}
this.variableTypesMeta = variableTypesMeta;
return this;
}
/**
* @deprecated Use ThenBuilder instead.
*/
@Deprecated
public PrimingRequestBuilder withVariableTypes(CqlType... variableTypes) {
this.variableTypesMeta = Arrays.asList(variableTypes);
return this;
}
public PrimingRequest build() {
if (query != null && queryPattern != null) {
throw new IllegalStateException("Can't specify query and queryPattern");
}
if (query == null && queryPattern == null) {
throw new IllegalStateException("Must set either query or queryPattern for PrimingRequest");
}
List consistencies = consistency == null ? null : Arrays.asList(consistency);
if (then == null) {
List> rowsDefaultedToEmptyForSuccess = this.rows;
if (result == Result.success && rows == null) {
rowsDefaultedToEmptyForSuccess = Collections.emptyList();
}
return new PrimingRequest(type, query, queryPattern, consistencies, rowsDefaultedToEmptyForSuccess, result, columnTypesMeta, variableTypesMeta, fixedDelay, config);
} else {
return new PrimingRequest(type, query, queryPattern, consistencies, then);
}
}
}
private final When when;
private final Then then;
private PrimingRequest(PrimingRequestBuilder.PrimeType primeType, String query, String queryPattern, List consistency, List> rows, Result result, List columnTypes, List variableTypes, Long fixedDelay, Map config) {
this(primeType, query, queryPattern, consistency, new Then(rows, result, columnTypes, variableTypes, fixedDelay, config));
}
private PrimingRequest(PrimingRequestBuilder.PrimeType primeType, String query, String queryPattern, List consistency, Then then) {
this.primeType = primeType;
this.when = new When(query, queryPattern, consistency);
this.then = then;
}
public When getWhen() {
return when;
}
public Then getThen() {
return then;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PrimingRequest that = (PrimingRequest) o;
if (then != null ? !then.equals(that.then) : that.then != null) return false;
if (when != null ? !when.equals(that.when) : that.when != null) return false;
return true;
}
@Override
public int hashCode() {
int result = when != null ? when.hashCode() : 0;
result = 31 * result + (then != null ? then.hashCode() : 0);
return result;
}
@Override
public String toString() {
return "PrimingRequest{" +
"when='" + when + '\'' +
", then=" + then +
'}';
}
public final static class Then {
private final List variable_types;
private final List> rows;
private final Result result;
private final Map column_types;
private final Long fixedDelay;
private final Map config;
private Then(List> rows, Result result, List column_types, List variable_types, Long fixedDelay, Map config) {
this.rows = rows;
this.result = result;
this.variable_types = variable_types;
this.fixedDelay = fixedDelay;
this.config = config.isEmpty() ? null : config;
if (column_types != null) {
this.column_types = new HashMap();
for (ColumnMetadata column_type : column_types) {
this.column_types.put(column_type.getName(), column_type.getType());
}
} else {
this.column_types = null;
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Then then = (Then) o;
if (column_types != null ? !column_types.equals(then.column_types) : then.column_types != null)
return false;
if (config != null ? !config.equals(then.config) : then.config != null) return false;
if (fixedDelay != null ? !fixedDelay.equals(then.fixedDelay) : then.fixedDelay != null) return false;
if (result != then.result) return false;
if (rows != null ? !rows.equals(then.rows) : then.rows != null) return false;
if (variable_types != null ? !variable_types.equals(then.variable_types) : then.variable_types != null)
return false;
return true;
}
@Override
public int hashCode() {
int result1 = variable_types != null ? variable_types.hashCode() : 0;
result1 = 31 * result1 + (rows != null ? rows.hashCode() : 0);
result1 = 31 * result1 + (result != null ? result.hashCode() : 0);
result1 = 31 * result1 + (column_types != null ? column_types.hashCode() : 0);
result1 = 31 * result1 + (fixedDelay != null ? fixedDelay.hashCode() : 0);
result1 = 31 * result1 + (config != null ? config.hashCode() : 0);
return result1;
}
@Override
public String toString() {
return "Then{" +
"variable_types=" + variable_types +
", rows=" + rows +
", result=" + result +
", column_types=" + column_types +
", fixedDelay=" + fixedDelay +
", config=" + config +
'}';
}
public List getVariableTypes() {
return variable_types;
}
public List> getRows() {
return Collections.unmodifiableList(rows);
}
public Result getResult() {
return result;
}
public Map getColumnTypes() {
return column_types;
}
public long getFixedDelay() {
return fixedDelay;
}
public static class ThenBuilder {
private List variable_types;
private List> rows;
private Result result;
private Long fixedDelay;
private Map config = new HashMap();
private List columnTypesMeta;
ThenBuilder() {
}
public ThenBuilder withVariableTypes(List variable_types) {
this.variable_types = variable_types;
return this;
}
public ThenBuilder withVariableTypes(CqlType... variableTypes) {
this.variable_types = Arrays.asList(variableTypes);
return this;
}
public ThenBuilder withRows(List> rows) {
this.rows = rows;
return this;
}
@SafeVarargs
public final ThenBuilder withRows(Map... rows) {
this.rows = Arrays.asList(rows);
return this;
}
public ThenBuilder withResult(Result result) {
this.result = result;
return this;
}
public ThenBuilder withColumnTypes(ColumnMetadata... columnMetadata) {
this.columnTypesMeta = Arrays.asList(columnMetadata);
return this;
}
public ThenBuilder withFixedDelay(Long fixedDelay) {
this.fixedDelay = fixedDelay;
return this;
}
public ThenBuilder withConfig(Map config) {
this.config = config;
return this;
}
public Then build() {
List> rowsDefaultedToEmptyForSuccess = this.rows;
if (result == Result.success && rows == null) {
rowsDefaultedToEmptyForSuccess = Collections.emptyList();
}
return new Then(rowsDefaultedToEmptyForSuccess, result, columnTypesMeta,
variable_types, fixedDelay, config);
}
}
}
public final static class When {
private final String query;
private final String queryPattern;
private final List consistency;
private When(String query, String queryPattern, List consistency) {
this.query = query;
this.consistency = consistency;
this.queryPattern = queryPattern;
}
@Override
public String toString() {
return "When{" +
"query='" + query + '\'' +
", queryPattern='" + queryPattern + '\'' +
", consistency=" + consistency +
'}';
}
public String getQuery() {
return query;
}
public List getConsistency() {
return Collections.unmodifiableList(consistency);
}
@Override
public boolean equals(Object o) {
if (this == o)
return true;
if (!(o instanceof When))
return false;
When when = (When)o;
if (consistency != null ? !consistency.equals(when.consistency) : when.consistency != null)
return false;
if (query != null ? !query.equals(when.query) : when.query != null)
return false;
if (queryPattern != null ? !queryPattern.equals(when.queryPattern) : when.queryPattern != null)
return false;
return true;
}
@Override
public int hashCode() {
int result = query != null ? query.hashCode() : 0;
result = 31 * result + (queryPattern != null ? queryPattern.hashCode() : 0);
result = 31 * result + (consistency != null ? consistency.hashCode() : 0);
return result;
}
}
}
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